Technical Article

China Good quality CZPT CZPT CZPT CZPT Spherical Roller Bearing 24032,23238,22218,24128,23148,21314,241/950,22208,23226,22320cak/W33,Ca,Cc,MB,Ma,E Self-Aligning Roller Bearing deep groove ball bearing

Product Description

Specifications of Bearing

A spherical roller bearing is a rolling-element bearing that permits rotation with low friction, and permits angular misalignment. Typically these bearings support a rotating shaft in the bore of the inner ring that may be misaligned in respect to the outer ring. The misalignment is possible due to the spherical internal shape of the outer ring and spherical rollers.^[1]Despite what their name may imply, spherical roller bearings are not truly spherical in shape. The rolling elements of spherical roller bearings are mainly cylindrical in shape, but have a profile that makes them appear like cylinders that have been slightly over-inflated.

Spherical roller bearings consist of an inner ring with 2 raceways inclined at an angle to the bearing axis, an outer ring with a common spherical raceway, spherical rollers, cages and, in certain designs, also internal CZPT rings or center rings. The bearings can also be sealed.

Altechnical details as belows:

Material information:

Specification	Steel NO.	HRC	Chemical composition %
Specification	Steel NO.	HRC	C	Si	Mn	Mo	S	P	Cr
GB/T 18254	Gcr 15	61-65	0.95~1.05	0.15~0.35	0.25~0.45	below 0.08	below 0.571	below 0.571	1.40~1.65

Technical information:

Bearing Number	Boundary dimensions(mm)				Mass(Kg)	Bearing Number	Boundary dimensions(mm)				Mass(Kg)
Bearing Number		d	D	B		Bearing Number		d	D	B
222 Series	22205	25	52	18	0.186	223 Series	22308	40	90	33	0.974
	22205K	25	52	18	0.182		22308K	40	90	33	0.951
	22205KW33C3	25	52	18	0.182		22324K	120	260	86	21
	22205W33C3	25	52	18	0.186		22324KW33C3	120	260	86	21
	22206	30	62	20	0.287		22324W33C3	120	260	86	21.5
	22206K	30	62	20	0.282		22326	130	280	93	26.8
	22206KW33C3	30	62	20	0.282		22326K	130	280	93	26.2
	22206W33C3	30	62	20	0.287		22326KW33C3	130	280	93	26.2
	22207	35	72	23	0.446		22326W33C3	130	280	93	26.8
	22207K	35	72	23	0.437		22328	140	300	102	33.8
	22207KW33C3	35	72	23	0.437		22328K	140	300	102	33
	22207W33C3	35	72	23	0.446		22328KW33C3	140	300	102	33
	22208	40	80	23	0.526		22328W33C3	140	300	102	33.8
	22208K	40	80	23	0.515		22330	150	320	108	42.7
	22208KW33C3	40	80	23	0.515		22330K	150	320	108	41.8
	22208W33C3	40	80	23	0.526		22330KW33C3	150	320	108	41.8
	22209	45	85	23	0.584		22330W33C3	150	320	108	42.7
	22209K	45	85	23	0.572		22332	160	340	114	50.8
	22209KW33C3	45	85	23	0.572		22332K	160	340	114	49.7
	22209W33C3	45	85	23	0.584		22332KW33C3	160	340	114	49.7
	22210	50	90	23	0.63		22332W33C3	160	340	114	50.8
	22210K	50	90	23	0.616		22334	170	360	120	59.8
	22210KW33C3	50	90	23	0.616		22334K	170	360	120	58.5
	22210W33C3	50	90	23	0.63		22334KW33C3	170	360	120	58.5
	22211	55	100	25	0.808		22334W33C3	170	360	120	59.8
	22211K	55	100	25	0.79		22336	180	380	126	70
	22211KW33C3	55	100	25	0.832		22336K	180	380	126	68.5
	22211W33C3	55	100	25	0.808		22336KW33C3	180	380	126	68.5
	22212	60	110	28	1.15		22336W33C3	180	380	126	70
	22212K	60	110	28	1.13		22338	190	400	132	81
	22212KW33C3	60	110	28	1.13		22338K	190	400	132	79.3
	22212W33C3	60	110	28	1.15		22338KW33C3	190	400	132	79.3
	22213	65	120	31	1.5		22338W33C3	190	400	132	81
	22213K	65	120	31	1.47		22340	200	420	138	93.2
	22213KW33C3	65	120	31	1.47		22340K	200	420	138	91.2
	22213W33C3	65	120	31	1.5		22340KW33C3	200	420	138	91.2
	22214	70	125	31	1.55		22340W33C3	200	420	138	93.2
	22214K	70	125	31	1.52		22344	220	460	145	117
	22214KW33C3	70	125	31	1.52		22344K	220	460	145	115
	22214W33C3	70	125	31	1.55		22344KW33C3	220	460	145	115
	22215	75	130	31	1.65		22344W33C3	220	460	145	117
	22215K	75	130	31	1.61		22348	240	500	155	148
	22215KW33C3	75	130	31	1.61		22348K	240	500	155	145
	22215W33C3	75	130	31	1.65		22348KW33C3	240	500	155	145
	22216	80	140	33	1.99		22348W33C3	240	500	155	148
	22216K	80	140	33	1.94		22352	260	540	165	183
	22216KW33C3	80	140	33	1.94		22352K	260	540	165	179
	22216W33C3	80	140	33	1.99		22352KW33C3	260	540	165	179
	22217	85	150	36	2.49		22352W33C3	260	540	165	183
	22217K	85	150	36	2.43		22356	280	580	175	224
	22217KW33C3	85	150	36	2.43		22356K	280	580	175	220
	22217W33C3	85	150	36	2.49		22356KW33C3	280	580	175	220
	22218	90	160	40	3.24		22356W33C3	280	580	175	224
	22218K	90	160	40	3.16		22360	300	620	185	270
	22218KW33C3	90	160	40	3.16		22360K	300	620	185	265
	22218W33C3	90	160	40	3.24		22360KW33C3	300	620	185	265
	22219	95	170	43	4.1		22360W33C3	300	620	185	270
	22219K	95	170	43	4.01		22308KW33C3	40	90	33	0.951
	22219KW33C3	95	170	43	4.01		22308W33C3	40	90	33	0.974
	22219W33C3	95	170	43	4.1		22309	45	100	36	1.33
	22220	100	180	46	4.95		22309K	45	100	36	1.3
	22220K	100	180	46	4.84		22309KW33C3	45	100	36	1.3
	22220KW33C3	100	180	46	4.84		22309W33C3	45	100	36	1.33
	22220W33C3	100	180	46	4.95		22310	50	110	40	1.79
	22222	110	200	53	7.2		22310K	50	110	40	1.75
	22222K	110	200	53	7.04		22310KW33C3	50	110	40	1.75
	22222KW33C3	110	200	53	7.04		22310W33C3	50	110	40	1.79
	22222W33C3	110	200	53	7.2		22311	55	120	43	2.3
	22224	120	215	58	9.1		22311K	55	120	43	2.25
	22224K	120	215	58	8.89		22311KW33C3	55	120	43	2.25
	22224KW33C3	120	215	58	8.89		22311W33C3	55	120	43	2.3
	22224W33C3	120	215	58	9.1		22312	60	130	46	2.9
	22226	130	230	64	11.2		22312K	60	130	46	2.83
	22226K	130	230	64	10.9		22312KW33C3	60	130	46	2.83
	22226KW33C3	130	230	64	10.9		22312W33C3	60	130	46	2.9
	22226W33C3	130	230	64	11.2		22313	65	140	48	3.45
	22228	140	250	68	14		22313K	65	140	48	3.37
	22228K	140	250	68	13.7		22313KW33C3	65	140	48	3.37
	22228KW33C3	140	250	68	13.7		22313W33C3	65	140	48	3.45
	22228W33C3	140	250	68	14		22314	70	150	51	4.22
	22230	150	270	73	18.1		22314K	70	150	51	4.12
	22230K	150	270	73	17.7		22314KW33C3	70	150	51	4.12
	22230KW33C3	150	270	73	17.7		22314W33C3	70	150	51	4.22
	22230W33C3	150	270	73	18.1		22315	75	160	55	5.25
	22232	160	290	80	22.7		22315K	75	160	55	5.13
	22232K	160	290	80	22.2		22315KW33C3	75	160	55	5.13
	22232KW33C3	160	290	80	22.2		22315W33C3	75	160	55	5.25
	22232W33C3	160	290	80	22.7		22316	80	170	58	6.05
	22234	170	310	86	28		22316K	80	170	58	5.91
	22234K	170	310	86	27.3		22316KW33C3	80	170	58	5.91
	22234KW33C3	170	310	86	27.3		22316W33C3	80	170	58	6.05
	22234W33C3	170	310	86	28		22317	85	180	60	7.1
	22236	180	320	86	29.3		22317K	85	180	60	6.94
	22236K	180	320	86	28.6		22317KW33C3	85	180	60	6.94
	22236KW33C3	180	320	86	28.6		22317W33C3	85	180	60	7.1
	22236W33C3	180	320	86	29.3		22318	90	190	64	8.35
	22238	190	340	92	36.6		22318K	90	190	64	8.16
	22238K	190	340	92	35.8		22318KW33C3	90	190	64	8.16
	22238KW33C3	190	340	92	35.8		22318W33C3	90	190	64	8.35
	22238W33C3	190	340	92	36.6		22319	95	200	67	9.76
	22240	200	360	98	44		22319K	95	200	67	9.54
	22240K	200	360	98	43		22319KW33C3	95	200	67	9.54
	22240KW33C3	200	360	98	43		22319W33C3	95	200	67	9.76
	22240W33C3	200	360	98	44		22320	100	215	73	12.4
	22244	220	400	108	60.4		22320K	100	215	73	12.1
	22244K	220	400	108	59.1		22320KW33C3	100	215	73	12.1
	22244KW33C3	220	400	108	59.1		22320W33C3	100	215	73	12.4
	22244W33C3	220	400	108	60.4		22322	110	240	80	17.1
	22248	240	440	120	81.7		22322K	110	240	80	16.7
	22248K	240	440	120	80		22322KW33C3	110	240	80	16.7
	22248KW33C3	240	440	120	80		22322W33C3	110	240	80	17.1
	22248W33C3	240	440	120	81.7		22324	120	260	86	21.5
	22252	260	480	130	106
	22252K	260	480	130	104
	22252KW33C3	260	480	130	104
	22252W33C3	260	480	130	106
	22256	280	500	130	112
	22256K	280	500	130	110
	22256KW33C3	280	500	130	110
	22256W33C3	280	500	130	112
	22260	300	540	140	141
	22260K	300	540	140	138
	22260KW33C3	300	540	140	138
	22260W33C3	300	540	140	141
213 Series	21308	40	90	23	0.705	230 Series	23571	110	170	45	3.71
	21308K	40	90	23	0.694		23571K	110	170	45	3.58
	21308KW33C3	40	90	23	0.694		23571KW33C3	110	170	45	3.58
	21308W33C3	40	90	23	0.705		23571W33C3	110	170	45	3.71
	21309	45	100	25	0.927		23571	120	180	46	4.05
	21309K	45	100	25	0.912		23571K	120	180	46	3.9
	21309KW33C3	45	100	25	0.912		23571KW33C3	120	180	46	3.9
	21309W33C3	45	100	25	0.927		23571W33C3	120	180	46	4.05
	21310	50	110	27	1.21		23026	130	200	52	5.9
	21310K	50	110	27	1.19		23026K	130	200	52	5.69
	21310KW33C3	50	110	27	1.19		23026KW33C3	130	200	52	5.69
	21310W33C3	50	110	27	1.21		23026W33C3	130	200	52	5.9
	21311	55	120	29	1.71		23571	140	210	53	6.35
	21311K	55	120	29	1.69		23571K	140	210	53	6.12
	21311KW33C3	55	120	29	1.69		23571KW33C3	140	210	53	6.12
	21311W33C3	55	120	29	1.71		23571W33C3	140	210	53	6.35
	21312	60	130	31	2.1		23030	150	225	56	7.73
	21312K	60	130	31	2.07		23030K	150	225	56	7.45
	21312KW33C3	60	130	31	2.07		23030KW33C3	150	225	56	7.45
	21312W33C3	60	130	31	2.1		23030W33C3	150	225	56	7.73
	21313	65	140	33	2.55		23032	160	240	60	9.42
	21313K	65	140	33	2.51		23032K	160	240	60	9.09
	21313KW33C3	65	140	33	2.51		23032KW33C3	160	240	60	9.09
	21313W33C3	65	140	33	2.55		23032W33C3	160	240	60	9.42
	21314	70	150	35	3.18		23034	170	260	67	12.7
	21314K	70	150	35	3.14		23034K	170	260	67	12.3
	21314KW33C3	70	150	35	3.14		23034KW33C3	170	260	67	12.3
	21314W33C3	70	150	35	3.18		23034W33C3	170	260	67	12.7
	21315	75	160	37	3.81		23036	180	280	74	16.7
	21315K	75	160	37	3.76		23036K	180	280	74	16.1
	21315KW33C3	75	160	37	3.76		23036KW33C3	180	280	74	16.1
	21315W33C3	75	160	37	3.81		23036W33C3	180	280	74	16.7
	21316	80	170	39	4.53		23038	190	290	75	17.7
	21316K	80	170	39	4.47		23038K	190	290	75	17.1
	21316KW33C3	80	170	39	4.47		23038KW33C3	190	290	75	17.1
	21316W33C3	80	170	39	4.53		23038W33C3	190	290	75	17.7
	21317	85	180	41	5.35		23040	200	310	82	22.7
	21317K	85	180	41	5.28		23040K	200	310	82	21.9
	21317KW33C3	85	180	41	5.28		23040KW33C3	200	310	82	21.9
	21317W33C3	85	180	41	5.35		23040W33C3	200	310	82	22.7
	21318	90	190	43	6.3		23044	220	340	90	29.9
	21318K	90	190	43	6.21		23044K	220	340	90	28.8
	21318KW33C3	90	190	43	6.21		23044KW33C3	220	340	90	28.8
	21318W33C3	90	190	43	6.3		23044W33C3	220	340	90	29.9
	21319	95	200	45	7.1		23048	240	360	92	33.4
	21319K	95	200	45	7		23048K	240	360	92	32.2
	21319KW33C3	95	200	45	7		23048KW33C3	240	360	92	32.2
	21319W33C3	95	200	45	7.1		23048W33C3	240	360	92	33.4
	21320	100	215	47	8.89		23052	260	400	104	48.5
	21320K	100	215	47	8.78		23052K	260	400	104	46.8
	21320KW33C3	100	215	47	8.78		23052KW33C3	260	400	104	46.8
	21320W33C3	100	215	47	8.89		23052W33C3	260	400	104	48.5
	21322	110	240	50	11.2		23056	280	420	106	52.4
	21322K	110	240	50	11.1		23056K	280	420	106	50.6
	21322KW33C3	110	240	50	11.1		23056KW33C3	280	420	106	50.6
	21322W33C3	110	240	50	11.2		23056W33C3	280	420	106	52.4
							23060	300	460	118	72.4
							23060K	300	460	118	70.2
							23060KW33C3	300	460	118	70.2
							23060W33C3	300	460	118	72.4
231 Series	23120	100	165	52	4.3	232 Series	23218	90	160	52.4	4.45
	23120K	100	165	52	4.16		23218K	90	160	52.4	4.32
	23120KW33C3	100	165	52	4.16		23218KW33C3	90	160	52.4	4.32
	23120W33C3	100	165	52	4.3		23218W33C3	90	160	52.4	4.45
	23122	110	180	56	5.4		23220	100	180	60.3	6.47
	23122K	110	180	56	5.22		23220K	100	180	60.3	6.28
	23122KW33C3	110	180	56	5.22		23220KW33C3	100	180	60.3	6.28
	23122W33C3	110	180	56	5.4		23220W33C3	100	180	60.3	6.47
	23124	120	200	62	7.7		23222	110	200	69.8	9.71
	23124K	120	200	62	7.46		23222K	110	200	69.8	9.43
	23124KW33C3	120	200	62	7.46		23222KW33C3	110	200	69.8	9.43
	23124W33C3	120	200	62	7.7		23222W33C3	110	200	69.8	9.71
	23126	130	210	64	8.47		23224	120	215	76	12.1
	23126K	130	210	64	8.2		23224K	120	215	76	11.7
	23126KW33C3	130	210	64	8.2		23224KW33C3	120	215	76	11.7
	23126W33C3	130	210	64	8.47		23224W33C3	120	215	76	12.1
	23128	140	225	68	10.2		23226	130	230	80	14.3
	23128K	140	225	68	9.86		23226K	130	230	80	13.9
	23128KW33C3	140	225	68	9.86		23226KW33C3	130	230	80	13.9
	23128W33C3	140	225	68	10.2		23226W33C3	130	230	80	14.3
	23130	150	250	80	15.6		23228	140	250	88	18.8
	23130K	150	250	80	15.1		23228K	140	250	88	18.2
	23130KW33C3	150	250	80	15.1		23228KW33C3	140	250	88	18.2
	23130W33C3	150	250	80	15.6		23228W33C3	140	250	88	18.8
	23132	160	270	86	19.8		23230	150	270	96	24.1
	23132K	160	270	86	19.2		23230K	150	270	96	23.4
	23132KW33C3	160	270	86	19.2		23230KW33C3	150	270	96	23.4
	23132W33C3	160	270	86	19.8		23230W33C3	150	270	96	24.1
	23134	170	280	88	21.5		23232	160	290	104	30
	23134K	170	280	88	20.8		23232K	160	290	104	29.1
	23134KW33C3	170	280	88	20.8		23232KW33C3	160	290	104	29.1
	23134W33C3	170	280	88	21.5		23232W33C3	160	290	104	30
	23136	180	300	96	25.1		23234	170	310	110	36.8
	23136K	180	300	96	24.2		23234K	170	310	110	35.7
	23136KW33C3	180	300	96	24.2		23234KW33C3	170	310	110	35.7
	23136W33C3	180	300	96	25.1		23234W33C3	170	310	110	36.8
	23138	190	320	104	35.3		23236	180	320	112	39
	23138K	190	320	104	34.2		23236K	180	320	112	37.8
	23138KW33C3	190	320	104	34.2		23236KW33C3	180	320	112	37.8
	23138W33C3	190	320	104	35.3		23236W33C3	180	320	112	39
	23140	200	340	112	43.3		23238	190	340	120	47.6
	23140K	200	340	112	42		23238K	190	340	120	46.2
	23140KW33C3	200	340	112	42		23238KW33C3	190	340	120	46.2
	23140W33C3	200	340	112	43.3		23238W33C3	190	340	120	47.6
	23144	220	370	120	53.3		23240	200	360	128	57.2
	23144K	220	370	120	51.6		23240K	200	360	128	55.5
	23144KW33C3	220	370	120	51.6		23240KW33C3	200	360	128	55.5
	23144W33C3	220	370	120	53.3		23240W33C3	200	360	128	57.2
	23148	240	400	128	65.8		23244	220	400	144	80
	23148K	240	400	128	63.8		23244K	220	400	144	77.6
	23148KW33C3	240	400	128	63.8		23244KW33C3	220	400	144	77.6
	23148W33C3	240	400	128	65.8		23244W33C3	220	400	144	80
	23152	260	440	144	91.4		23248	240	440	160	108
	23152K	260	440	144	88.6		23248K	240	440	160	105
	23152KW33C3	260	440	144	88.6		23248KW33C3	240	440	160	105
	23152W33C3	260	440	144	91.4		23248W33C3	240	440	160	108
	23156	280	460	146	97.7		23252	260	480	174	141
	23156K	280	460	146	94.6		23252K	260	480	174	137
	23156KW33C3	280	460	146	94.6		23252KW33C3	260	480	174	137
	23156W33C3	280	460	146	97.7		23252W33C3	260	480	174	141
	23160	300	500	160	131		23256	280	500	176	150
	23160K	300	500	160	127		23256K	280	500	176	145
	23160KW33C3	300	500	160	127		23256KW33C3	280	500	176	145
	23160W33C3	300	500	160	131		23256W33C3	280	500	176	150
							23260	300	540	192	193
							23260K	300	540	192	187
							23260KW33C3	300	540	192	187
							23260W33C3	300	540	192	193
239 Series	23936	180	250	52	8.21	240 Series	24571	120	180	60	5.48
	23936K	180	250	52	7.95		24571K30	120	180	60	5.39
	23936KW33C3	180	250	52	7.95		24571K30W33C3	120	180	60	5.39
	23936W33C3	180	250	52	8.21		24571W33C3	120	180	60	5.48
	23938	190	260	52	8.6		24026	130	200	69	8.08
	23938K	190	260	52	8.34		24026K30	130	200	69	7.95
	23938KW33C3	190	260	52	8.34		24026K30W33C3	130	200	69	7.95
	23938W33C3	190	260	52	8.6		24026W33C3	130	200	69	8.08
	23940	200	280	60	12.1		24571	140	210	69	8.57
	23940K	200	280	60	11.7		24571K30	140	210	69	8.43
	23940KW33C3	200	280	60	11.7		24571K30W33C3	140	210	69	8.43
	23940W33C3	200	280	60	12.1		24571W33C3	140	210	69	8.57
	23944	220	300	60	13.1		24030	150	225	75	10.7
	23944K	220	300	60	12.7		24030K30	150	225	75	10.5
	23944KW33C3	220	300	60	12.7		24030K30W33C3	150	225	75	10.5
	23944W33C3	220	300	60	13.1		24030W33C3	150	225	75	10.7
	23948	240	320	60	14		24032	160	240	80	13
	23948K	240	320	60	13.6		24032K30	160	240	80	12.8
	23948KW33C3	240	320	60	13.6		24032K30W33C3	160	240	80	12.8
	23948W33C3	240	320	60	14		24032W33C3	160	240	80	13
	23952	260	360	75	24		24034	170	260	90	17.7
	23952K	260	360	75	23.3		24034K30	170	260	90	17.4
	23952KW33C3	260	360	75	23.3		24034K30W33C3	170	260	90	17.4
	23952W33C3	260	360	75	24		24034W33C3	170	260	90	17.7
	23956	280	380	75	26.4		24036	180	280	100	23.3
	23956K	280	380	75	25.6		24036K30	180	280	100	22.9
	23956KW33C3	280	380	75	25.6		24036K30W33C3	180	280	100	22.9
	23956W33C3	280	380	75	26.4		24036W33C3	180	280	100	23.3
	23960	300	420	90	40		24038	190	290	100	24.3
	23960K	300	420	90	38.7		24038K30	190	290	100	23.9
	23960KW33C3	300	420	90	38.7		24038K30W33C3	190	290	100	23.9
	23960W33C3	300	420	90	40		24038W33C3	190	290	100	24.3
241 Series	24122	110	180	69	7.07		24040	200	310	109	31
	24122K30	110	180	69	6.96		24040K30	200	310	109	30.5
	24122K30W33C3	110	180	69	6.96		24040K30W33C3	200	310	109	30.5
	24122W33C3	110	180	69	7.07		24040W33C3	200	310	109	31
	24124	120	200	80	10.3		24044	220	340	118	40.2
	24124K30	120	200	80	10.1		24044K30	220	340	118	39.6
	24124K30W33C3	120	200	80	10.1		24044K30W33C3	220	340	118	39.6
	24124W33C3	120	200	80	10.3		24044W33C3	220	340	118	40.2
	24126	130	210	80	11		24048	240	360	118	43
	24126K30	130	210	80	10.8		24048K30	240	360	118	42.3
	24126K30W33C3	130	210	80	10.8		24048K30W33C3	240	360	118	42.3
	24126W33C3	130	210	80	11		24048W33C3	240	360	118	43
	24128	140	225	85	13.3		24052	260	400	140	65.2
	24128K30	140	225	85	13.1		24052K30	260	400	140	64.1
	24128K30W33C3	140	225	85	13.1		24052K30W33C3	260	400	140	64.1
	24128W33C3	140	225	85	13.3		24052W33C3	260	400	140	65.2
	24130	150	250	100	20.2		24056	280	420	140	69
	24130K30	150	250	100	20		24056K30	280	420	140	67.9
	24130K30W33C3	150	250	100	20		24056K30W33C3	280	420	140	67.9
	24130W33C3	150	250	100	20.2		24056W33C3	280	420	140	69
	24132	160	270	109	26		24060	300	460	160	98
	24132K30	160	270	109	25.6		24060K30	300	460	160	96.4
	24132K30W33C3	160	270	109	25.6		24060K30W33C3	300	460	160	96.4
	24132W33C3	160	270	109	26		24060W33C3	300	460	160	98
	24134	170	280	109	27.2
	24134K30	170	280	109	26.8
	24134K30W33C3	170	280	109	26.8
	24134W33C3	170	280	109	27.2
	24136	180	300	118	34.3
	24136K30	180	300	118	33.8
	24136K30W33C3	180	300	118	33.8
	24136W33C3	180	300	118	34.3
	24138	190	320	128	42.8
	24138K30	190	320	128	42.2
	24138K30W33C3	190	320	128	42.2
	24138W33C3	190	320	128	42.8
	24140	200	340	140	53.4
	24140K30	200	340	140	52.6
	24140K30W33C3	200	340	140	52.6
	24140W33C3	200	340	140	53.4
	24144	220	370	150	67
	24144K30	220	370	150	66
	24144K30W33C3	220	370	150	66
	24144W33C3	220	370	150	67
	24148	240	400	160	82.2
	24148K30	240	400	160	80.9
	24148K30W33C3	240	400	160	80.9
	24148W33C3	240	400	160	82.2
	24152	260	440	180	114
	24152K30	260	440	180	112
	24152K30W33C3	260	440	180	112
	24152W33C3	260	440	180	114
	24156	280	460	180	120
	24156K30	280	460	180	118
	24156K30W33C3	280	460	180	118
	24156W33C3	280	460	180	120
	24160	300	500	200	161
	24160K30	300	500	200	159
	24160K30W33C3	300	500	200	159
	24160W33C3	300	500	200	161

Parameters of Bearing

More details of Spherical Roller Bearing

Model	Brand	Boundary Dimensions			Basic Load Rating		Limiting speed		Mass (kg)
		d (mm)	D (mm)	B (mm)	Dynamic	Static	grease	oil
		d (mm)	D (mm)	B (mm)	Cr(kN)	Cor(kN)	*1000r/min	*1000r/min
21304 CC	NTN	20	52	15	31.5	31.2	6	7.5	0.175
21304 TN	NTN	20	52	15	35.8	34.2	6	7.5	0.161
22205 CC/W33	NTN	25	52	18	36.8	36.8	8	10	0.177
22205 TN/W33	NTN	25	52	18	45.2	44	8	10	0.178
21305 CC	NTN	25	62	17	42.5	44.2	5.3	6.7	0.277
21305 TN	NTN	25	62	17	45.5	44.5	5.3	6.7	0.257
22206 CC/W33	NTN	30	62	20	51.8	55	6.7	8.5	0.283
22206 TN/W33	NTN	30	62	20	58.2	59.5	6.7	8.5	0.271
21306 CC	NTN	30	72	19	57.2	62	4.5	6	0.412
21306 TN	NTN	30	72	19	63.8	63.5	4.5	6	0.391
22207 CC/W33	NTN	35	72	23	70.2	79	5.6	7	0.437
22207 TN/W33	NTN	35	72	23	78.2	84.5	5.6	7	0.428
21307 CC	NTN	35	80	21	65.2	73.2	4	5.3	0.542
21307 TN	NTN	35	80	21	74.2	75.5	4	5.3	0.507
22208 CC/W33	NTN	40	80	23	79	88.5	5	6.3	0.524
22208 TN/W33	NTN	40	80	23	95	102	5	6.3	0.524
21308 CC	NTN	40	90	23	87.2	96.2	3.6	4.5	0.743
21308 TN	NTN	40	90	23	93.5	99	3.6	4.5	0.717
22308 CC/W33	NTN	40	90	33	122	138	4.5	6	1.571
22308 TN/W33	NTN	40	90	33	132	148	4.5	6	1.571
22209 CC/W33	NTN	45	85	23	82.8	95.2	4.5	6	0.571
22209 TN/W33	NTN	45	85	23	95	102	4.5	6	0.555
21309 CC	NTN	45	100	25	102	115	3.2	4	1.000
21309 TN	NTN	45	100	25	110	120	3.2	4	0.949
22309 CC/W33	NTN	45	100	36	145	170	4	5.3	1.370
22309 TN/W33	NTN	45	100	36	165	185	4	5.3	1.390
22210 CC/W33	NTN	50	90	23	86	102	4.3	5.3	0.614
22210 TN/W33	NTN	50	90	23	99	110	4.3	5.3	0.596
21310 CC	NTN	50	110	27	122	140	2.8	3.8	1.300
21310 TN	NTN	50	110	27	128	140	2.8	3.8	1.220
22310 CC/W33	NTN	50	110	40	182	212	3.8	4.8	1.790
22310 TN/W33	NTN	50	110	40	198	228	3.8	4.8	1.840
22211 CC/W33	NTN	55	100	25	105	125	3.8	5	0.848
22211 TN/W33	NTN	55	100	25	122	140	3.8	5	0.823
21311 CC	NTN	55	120	29	145	170	2.6	3.4	1.650
21311 TN	NTN	55	120	29	148	165	2.6	3.4	1.570
22311 CC/W33	NTN	55	120	43	215	252	3.4	4.3	2.310
22311 TN/W33	NTN	55	120	43	232	262	3.4	4.3	2.320
22212 CC/W33	NTN	60	110	28	125	155	3.6	4.5	1.150
22212 TN/W33	NTN	60	110	28	155	185	3.6	4.5	1.140
21312 CC	NTN	60	130	31	165	195	2.4	3.2	2.080
21312 TN	NTN	60	130	31	175	195	2.4	3200	1.960
22312 CC/W33	NTN	60	130	46	248	292	3.2	4	2.880
22312 TN/W33	NTN	60	130	46	270	312	3.2	4	2.960
22213 CC/W33	NTN	65	120	31	155	195	2.2	4	1.540
22213 TN/W33	NTN	65	120	31	178	212	2.2	4	1.530
21313 CC	NTN	65	140	33	188	228	2.2	3	2.570
21313 TN	NTN	65	140	33	202	235	2.2	3	2.45
22313 CC/W33	NTN	65	140	48	272	320	3	3.8	3.470
22313 TN/W33	NTN	65	140	48	302	355	3	3.8	3.57
21314 CC	NTN	70	150	35	218	268	3	2.8	3.110
21314 TN	NTN	70	150	35	225	265	3	2.8	2.970
22314 CC/W33	NTN	70	150	51	320	395	2	3.4	4.340
22314 TN/W33	NTN	70	150	51	340	405	2	3.4	4.350
22215 CC/W33	NTN	75	130	31	165	215	3	3.8	1.690
22215 TN/W33	NTN	75	130	31	185	232	3	3.8	1.670
21315 CC	NTN	75	160	37	245	302	1.9	2.6	3.760
21315 TN	NTN	75	160	37	258	310	1.9	2.6	3.630
22315 CC/W33	NTN	75	160	55	358	448	2.6	3.2	5.280
22315 TN/W33	NTN	75	160	55	390	470	2.6	3.2	5.330
22216 CC/W33	NTN	80	140	33	180	235	2.8	3.4	2.130
22216 TN/W33	NTN	80	140	33	218	275	2.8	3.4	2.090
21316 CC	NTN	80	170	39	268	332	1.8	2.4	4.470
21316 TN	NTN	80	170	39	288	350	1.8	2.4	4.330
22316 CC/W33	NTN	80	170	58	402	508	2.4	3	6.320
22316 TN/W33	NTN	80	170	58	422	515	2.4	3	6.270
22217 CC/W33	NTN	85	150	36	218	282	2.6	3.2	2.670
22217 TN/W33	NTN	85	150	36	270	340	2.6	3.2	2.640
21317 CC	NTN	85	180	41	305	385	1.7	2.2	5.230
21317 TN	NTN	85	180	41	318	390	1.7	2.2	5.070
22317 CC/W33	NTN	85	180	60	442	555	2.2	2.8	7.270
22317 TN/W33	NTN	85	180	60	472	572	2.2	2.8	7.270
22218 CC/W33	NTN	90	160	40	258	338	2.4	3	3.380
22218 TN/W33	NTN	90	160	40	288	378	2.4	3	3.350
23218 CC/W33	NTN	90	160	52.4	338	482	1.8	2.1	4.400
21318 CC	NTN	90	190	43	328	420	1.6	2.2	6.170
21318 TN	NTN	90	190	43	338	420	1.6	2.2	5.880
22318 CC/W33	NTN	90	190	64	495	640	2.2	2.6	8.630
22318 TN/W33	NTN	90	190	64	532	660	2.2	2.6	8.720
22219 CC/W33	NTN	95	170	43	290	390	2.2	2.8	4.200
22219 TN/W33	NTN	95	170	43	318	420	2.2	2.8	4.100
21319 CC	NTN	95	200	45	365	485	1.7	2.2	7.15
21319 TN	NTN	95	200	45	375	482	1.7	2.2	6.9
22319 CC/W33	NTN	95	200	67	545	705	2	2.6	9.970
22319 TN/W33	NTN	95	200	67	582	728	2	2.6	10.100
23120 CC/W33	NTN	100	165	52	330	510	1.7	2.2	4.310
22220 CC/W33	NTN	100	180	46	322	435	2.2	2.6	5.571
22220 TN/W33	NTN	100	180	46	378	492	2.2	2.6	4.970
23220 CC/W33	NTN	100	180	60.3	432	630	1.6	2.2	6.520
21320 CC	NTN	100	215	47	395	530	1.6	2	8.810
21320 TN	NTN	100	215	47	438	575	1.6	2	8.630
22320 CC/W33	NTN	100	215	73	635	832	1.9	2.4	12.800
22320 TN/W33	NTN	100	215	73	675	855	1.9	2.4	13.000
21321 CC	NTN	105	225	49	418	558	1.5	1.9	10.000
21321 TN	NTN	105	225	49	458	605	1.5	1.9	9.750
23571 CC/W33	NTN	110	170	45	280	452	2	2.4	3.680
23122 CC/W33	NTN	110	180	56	388	602	1.6	2	5.510
24122 CC/W33	NTN	110	180	69	470	775	1.6	2	6.630
22222 CC/W33	NTN	110	200	53	420	588	1.9	2.4	7.320
22222 TN/W33	NTN	110	200	53	462	635	1.9	2.4	7.250
23222 CC/W33	NTN	110	200	69.8	535	800	1.5	1.9	9.460
21322 CC	NTN	110	240	50	472	635	1.4	1.8	11.800
21322 TN	NTN	110	240	50	525	695	1.4	1.8	11.700
22322 CC/W33	NTN	110	240	80	735	968	1.7	2.2	17.500
22322 TN/W33	NTN	110	240	80	815	1058	1.7	2.2	18.200
23571 CC/W33	NTN	120	180	46	308	500	1.8	2.2	3.980
24571 CC/W33	NTN	120	180	60	390	675	1.5	2	5.050
23124 CC/W33	NTN	120	200	62	462	722	1.4	1.8	7.670
24124 CC/W33	NTN	120	200	80	590	998	1.4	1.8	9.650
22224 CC/W33	NTN	120	215	58	492	690	1.7	2.2	9.000
22224 TN/W33	NTN	120	215	58	558	765	1.7	2.2	9.100
23224 CC/W33	NTN	120	215	76	625	955	1.3	1.7	11.700
22324 CC/W33	NTN	120	260	86	868	1160	1.5	1.9	22.200
22324 TN/W33	NTN	120	260	86	935	1230	1.5	1.9	22.900
23026 CC/W33	NTN	130	200	52	382	630	1.7	2	5.850
24026 CC/W33	NTN	130	200	69	485	852	1.4	1.8	7.55
23126 CC/W33	NTN	130	210	64	495	802	1.3	1.7	8.490
24126 CC/W33	NTN	130	210	80	600	1030	1.3	1.7	10.300
22226 CC/W33	NTN	130	230	64	578	832	1.6	2	11.200
22226 TN/W33	NTN	130	230	64	648	912	1.6	2	11.300
23226 CC/W33	NTN	130	230	80	695	1080	1.2	1.6	13.800
22326 CC/W33	NTN	130	280	93	990	1340	1.4	1.8	27.500
22326 TN/W33	NTN	130	280	93	1078	1440	1.4	1.8	28.600
23571 CC/W33	NTN	140	210	53	405	680	1.6	1.9	6.310
24571 CC/W33	NTN	140	210	69	502	895	1.3	1.7	8.571
23128 CC/W33	NTN	140	225	68	552	905	1.2	1.6	10.200
24128 CC/W33	NTN	140	225	85	688	1.2	1.2	1.6	12.500
22228 CC/W33	NTN	140	250	68	658	955	1.4	1.7	14.200
22228 TN/W33	NTN	140	250	68	745	1060	1.4	1.7	14.400
23228 CC/W33	NTN	140	250	88	835	1300	1.1	1.5	18.100
22328 CC/W33	NTN	140	300	102	1160	1610	1.3	1.7	34.600
22328 TN/W33	NTN	140	300	102	1262	1720	1.3	1.7	36.200
23030 CC/W33	NTN	150	225	56	445	750	1.4	1.8	7.740
24030 CC/W33	NTN	150	225	75	585	1070	1.2	1.5	10.100
23130 CC/W33	NTN	150	250	80	758	1250	1.1	1.4	15.700
24130 CC/W33	NTN	150	250	100	915	1600	1.1	1.4	19.000
22230 CC/W33	NTN	150	270	73	770	1130	1.3	1.6	18.000
22230 TN/W33	NTN	150	270	73	858	1230	1.3	1.6	18.400
23230 CC/W33	NTN	150	270	96	972	1540	1.1	1.4	23.200
22330 CC/W33	NTN	150	320	108	1305	1850	1.2	1.5	42.000
22330 TN/W33	NTN	150	320	108	1408	1970	1.2	1.5	43.600
23032 CC/W33	NTN	160	240	60	522	890	1.3	1.7	9.430
24032 CC/W33	NTN	160	240	80	670	1230	1.1	1.4	12.200
23132 CC/W33	NTN	160	270	86	868	1440	1	1.3	19.800
24132 CC/W33	NTN	160	270	109	1068	1880	1	1.3	24.400
22232 CC/W33	NTN	160	290	80	870	1290	1.2	1.5	22.900
22232 TN/W33	NTN	160	290	80	978	1430	1.2	1.5	23.400
23232 CC/W33	NTN	160	290	104	1120	1780	1.1	1.4	29.4
22332	NTN	160	340	114	1172	1770	0.8	1	51
23034 CC/W33	NTN	170	260	67	632	1100	1.2	1.6	12.800
24034 CC/W33	NTN	170	260	90	812	1520	1	1.3	16.700
23134 CC/W33	NTN	170	280	88	925	1550	1	1.3	21.100
24134 CC/W33	NTN	170	280	109	1098	1930	1	1.3	25.500
22234 CC/W33	NTN	170	310	86	1002	1500	1.1	1.4	28.100
22234 TN/W33	NTN	170	310	86	1120	1660	1.1	1.4	28.900
23234 CC/W33	NTN	170	310	110	1232	2030	0.9	1.2	35.700
22334	NTN	170	360	120	1295	2060	0.75	950	60.000
23036 CC/W33	NTN	180	280	74	738	1310	1.2	1.4	16.900
24036 CC/W33	NTN	180	280	100	952	1820	0.95	1.2	22.100
23136 CC/W33	NTN	180	300	96	1078	1830	0.9	1.2	26.900
24136 CC/W33	NTN	180	300	118	1242	2220	0.9	1.2	32.000
22236 CC/W33	NTN	180	320	86	1038	1590	1.1	1.3	29.400
22236 TN/W33	NTN	180	320	86	1170	1760	1.1	1.3	30.200
23236 CC/W33	NTN	180	320	112	1315	2170	0.85	1.1	37.900
22336	NTN	180	380	126	1420	2270	0.7	0.9	70.000
23038 CC/W33	NTN	190	290	75	775	1380	1.1	1.4	17.700
24038 CC/W33	NTN	190	290	100	1002	1910	0.9	1.2	23.000
23138 CC/W33	NTN	190	320	104	1232	2120	0.85	1.1	33.600
24138 CC/W33	NTN	190	320	128	1448	2590	0.85	1.1	40.200
23238 CC/W33	NTN	190	340	120	1448	2490	0.8	1.1	46.100
22338	NTN	190	400	132	1568	2530	0.67	0.85	81.000
23040 CC/W33	NTN	200	310	82	915	1650	1	1.3	22.700
24040 CC/W33	NTN	200	310	109	1150	2220	0.85	1.1	29.300
23140 CC/W33	NTN	200	340	112	1418	2460	0.8	1	41.600
24140 CC/W33	NTN	200	340	140	1622	2950	0.8	1	49.900
23240 CC/W33	NTN	200	360	128	1652	2790	0.75	1	55.400
22340	NTN	200	420	138	1680	2720	0.63	0.8	94.000
23044 CC/W33	NTN	220	340	90	1088	1990	0.95	1.2	29.700
24044 CC/W33	NTN	220	340	118	1365	2680	0.75	1	38.100
23144 CC/W33	NTN	220	370	120	1612	2820	0.7	0.95	51.500
24144 CC/W33	NTN	220	370	150	1900	3490	0.7	0.95	62.300
23244 CC/W33	NTN	220	400	144	2125	3620	0.67	0.9	78.500
22344	NTN	220	460	145	1905	3200	0.56	0.7	120.000
23048 CC/W33	NTN	240	360	92	1160	2160	0.85	1.1	32.400
24048 CC/W33	NTN	240	360	118	1438	2850	0.7	0.95	40.800
23148 CC/W33	NTN	240	400	128	1838	3220	0.67	850	63.700
24148 CC/W33	NTN	240	400	160	2155	3980	0.67	0.85	76.500
23248 CC/W33	NTN	240	440	160	2558	4490	0.63	0.8	107.300
22348	NTN	240	500	155	1950	3250	0.5	630	153.000
23052 CC/W33	NTN	260	400	104	1458	2770	0.8	950	47.700
24052 CC/W33	NTN	260	400	140	1838	3740	0.63	0.85	62.400
23152 CC/W33	NTN	260	440	144	2270	4070	0.6	0.8	88.200
24152 CC/W33	NTN	260	440	180	2732	5180	0.6	0.8	107.600
22352	NTN	260	540	165	2480	4190	0.48	0.6	191.000
23056 CC/W33	NTN	280	420	106	1582	3000	0.7	0.9	50.900
24056 CC/W33	NTN	280	420	140	1962	3980	0.6	0.8	65.800
23156 CC/W33	NTN	280	460	146	2372	4290	0.56	0.75	94.100
24156 CC/W33	NTN	280	460	180	2802	5330	0.56	0.75	113.200
22256	NTN	280	500	130	1900	3380	0.5	0.63
22356	NTN	280	580	175	2730	4650	0.45	0.56	238.000

Our Main Products

HangZhou Flow Group Ltd is a professional manufacturer of bearings, collecting together production and processing, domestic and foreign trade. The factory specializes in the production and export of many kinds of bearings: deep groove ball bearing, spherical roller bearing, tapered roller bearing, and so on. The customized bearings is also acceptable and the production will be according to your requirements and samples.

All bearings in our factory adopt international quality standards. The complete equipment, strict quality control, advanced Japanese technology and quality service provide a guarantee to supply the high-quality bearings for our customers. Domestic sales and service network has covered 15 major cities in China, meanwhile our bearing has sold more than 60 overseas countries and regions.

Our bearings have been widely used in agriculture, textiles, mining, printing and packaging industries, in addition to applications in airports, air conditioning systems, conveyors and ship also applied.

If you are interested in any of our bearings or have an intention to order, please feel free to contact us.

FAQ

SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ: 5000 pcs customized your brand bearings.

OEM POLICY
1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.

SUPORT
Please visit our website, we strongly encourge that you can communicate with us through email,thanks!

We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requiremen

Model No.:	23244 22324 23026 24026 23126 24126 22226 23226
Brand Name:	NTN Koyo Timken NSK Bearing
Type:	Self-Aligning Roller Bearing

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

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Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

self aligning bearing

Can you describe the various types of seals and shields used with self-aligning bearings for contamination prevention?

Yes, here’s a detailed description of the various types of seals and shields used with self-aligning bearings for contamination prevention:

Contact Seals:

Contact seals, also known as lip seals or radial seals, are commonly used with self-aligning bearings to prevent the ingress of contaminants. These seals feature a flexible lip that makes contact with the inner ring of the bearing, creating a barrier against dust, dirt, water, and other external substances. Contact seals provide effective contamination prevention but may introduce slightly higher friction due to the contact between the seal lip and the bearing surface. They are typically made of rubber or synthetic materials and offer good sealing performance in most operating conditions.

Felt Seals:

Felt seals are simple and cost-effective sealing solutions used with self-aligning bearings. They consist of a felt material that is compressed against the bearing inner ring or housing to create a barrier against contaminants. Felt seals are commonly used in applications with low to moderate speeds and light contamination levels. While they offer basic protection against solid particles, they may not provide effective sealing against liquids or fine particles.

Metallic Shields:

Metallic shields, also known as metal shields or non-contact shields, are used to protect self-aligning bearings from solid contaminants such as dust and dirt. These shields are typically made of steel or other metals and are designed to fit closely to the bearing inner ring without making contact. Metallic shields provide effective protection while minimizing friction and heat generation. They are suitable for high-speed applications where low torque and minimal drag are desired.

Rubber Shields:

Rubber shields, also known as non-contact seals or labyrinth seals, consist of a rubber or elastomeric material that forms a barrier around the bearing without making direct contact. Rubber shields are designed with a labyrinth-like structure that uses multiple barriers to prevent the entry of contaminants. These shields provide effective sealing against both solid particles and liquids while still allowing for low-friction operation. Rubber shields are commonly used in applications where low torque, minimal drag, and enhanced contamination protection are required.

Hybrid Seals:

Hybrid seals combine the advantages of different sealing technologies to provide optimal contamination prevention. These seals may incorporate a combination of contact seals, non-contact shields, or additional features such as flingers or slingers. Hybrid seals are designed to provide enhanced protection against a wide range of contaminants while minimizing friction and maintaining low torque. They are often used in demanding applications where a high level of sealing performance is required.

Additional Features:

In addition to the primary seals and shields mentioned above, some self-aligning bearings may incorporate additional features to enhance contamination prevention. These features include flingers, which are rotating discs or rings that help to deflect contaminants away from the bearing; slingers, which are similar to flingers but operate by centrifugal force; and specialized coatings or surface treatments that provide enhanced resistance to corrosion or chemical attack.

It’s important to consult the bearing manufacturer’s specifications and guidelines to select the appropriate type of seal or shield for a specific self-aligning bearing and its operating conditions. By choosing the right sealing solution, engineers can effectively prevent contamination and prolong the service life of self-aligning bearings in various applications.

self aligning bearing

How do self-aligning bearings perform in applications with varying loads and misalignment challenges?

Self-aligning bearings are specifically designed to perform exceptionally well in applications with varying loads and misalignment challenges. Here’s an in-depth explanation of their performance characteristics:

Misalignment Compensation:

Self-aligning bearings are capable of accommodating various types of misalignment, including angular misalignment and shaft deflection. They feature a design that incorporates two rows of rolling elements, such as balls or rollers, and a spherical outer ring raceway. This design allows the bearing to self-align, adapting to misalignment caused by factors such as shaft deflection, mounting errors, thermal expansion, and vibrations. Self-aligning bearings can handle misalignment within certain limits, maintaining proper alignment between the mating components and minimizing additional stresses on the bearing.

Load-Carrying Capacity:

Self-aligning bearings are engineered to handle high loads, both radial and axial. They have a robust construction with larger rolling elements and increased contact area, enabling them to distribute the load more effectively. This enhanced load-carrying capacity makes self-aligning bearings suitable for applications where varying loads are encountered. Whether it’s fluctuating radial loads, axial loads, or a combination of both, self-aligning bearings can handle the dynamic forces and provide reliable performance.

Flexibility and Versatility:

Self-aligning bearings offer flexibility and versatility in applications with varying loads and misalignment challenges. They can operate in conditions where shafts are not perfectly aligned or where there are slight shaft movements. This flexibility allows for easier installation and alignment adjustments, reducing the time and effort required for precise positioning of the bearing. Additionally, self-aligning bearings are available in different designs and configurations, including ball bearings and roller bearings, providing options to match specific application requirements.

Reduced Friction and Heat Generation:

Self-aligning bearings are designed to minimize friction and heat generation during operation. The rolling elements and raceways are precisely engineered to reduce contact stresses and optimize the distribution of forces. This results in lower friction levels and reduced heat buildup, enhancing the overall efficiency and reliability of the bearing in applications where varying loads and misalignment challenges are present.

Extended Service Life:

Due to their ability to accommodate misalignment and handle varying loads, self-aligning bearings contribute to an extended service life of the machinery. By reducing the stresses and excessive forces on the bearing and its surrounding components, self-aligning bearings help minimize wear, prevent premature failure, and increase the overall durability of the equipment.

In summary, self-aligning bearings excel in applications with varying loads and misalignment challenges. Their ability to compensate for misalignment, handle high loads, provide flexibility in installation, and reduce friction and heat generation makes them well-suited for industries such as mining, construction, paper manufacturing, steel production, and many others where these challenges are prevalent.

self aligning bearing

What are self-aligning bearings, and how do they function in machinery?

Self-aligning bearings are a type of rolling contact bearings that are designed to accommodate misalignment between the shaft and the housing in machinery. They are commonly used in applications where shaft deflection, shaft misalignment, or mounting errors are expected.

Here’s a detailed explanation of self-aligning bearings and their functioning in machinery:

Design and Construction:

Self-aligning bearings consist of two main components: an inner ring with the rolling elements and an outer ring with a spherical raceway. The inner ring is typically mounted on the rotating shaft, while the outer ring is mounted in the housing. The rolling elements, usually balls or rollers, are positioned between the inner and outer rings to facilitate smooth rotation.

The key feature of self-aligning bearings is the spherical shape of the outer ring raceway. This design allows the bearing to accommodate angular misalignment between the shaft and the housing, as well as any axial misalignment or shaft deflection that may occur during operation.

Functioning in Machinery:

Self-aligning bearings function in machinery by providing several important benefits:

Misalignment Compensation: Self-aligning bearings can compensate for angular misalignment between the shaft and the housing. This is particularly useful in applications where there may be slight misalignments due to manufacturing tolerances, thermal expansion, or shaft deflection under load. The self-aligning capability allows the bearing to maintain proper alignment and minimize stress on the bearing components.
Reduced Friction and Wear: The ability of self-aligning bearings to accommodate misalignment helps reduce friction and wear. Misalignment can cause uneven loading and increased stress on the bearing, leading to premature failure. By allowing the bearing to adjust its position, self-aligning bearings distribute the load more evenly, reducing friction and wear on the rolling elements and raceways.
Shock and Vibration Absorption: Self-aligning bearings can also absorb shocks and vibrations that may occur during operation. The spherical shape of the outer ring raceway allows the bearing to move and adjust its position, effectively absorbing and dampening the impact of shocks and vibrations. This helps improve the overall stability, smoothness, and durability of the machinery.
Easy Installation and Maintenance: Self-aligning bearings are relatively easy to install and maintain. The self-aligning capability simplifies the alignment process during installation, as slight misalignments can be accommodated. Additionally, regular maintenance tasks, such as re-greasing or replacement of the bearing, can be performed more easily due to the flexibility and adjustability of self-aligning bearings.

Overall, self-aligning bearings play a crucial role in machinery by allowing for misalignment compensation, reducing friction and wear, absorbing shocks and vibrations, and providing ease of installation and maintenance. These features contribute to improved performance, reliability, and durability of the machinery in various applications.

China Good quality CZPT CZPT CZPT CZPT Spherical Roller Bearing 24032,23238,22218,24128,23148,21314,241/950,22208,23226,22320cak/W33,Ca,Cc,MB,Ma,E Self-Aligning Roller Bearing deep groove ball bearing
editor by CX 2023-11-13