Product Description
| Specifications of Bearing |
Product Description of CZPT self-aligning roller bearing
HangZhou Flow Group Ltd. virtually every type of ball and roller bearings. They are available in various cross sections and satisfy a huge variety of operating conditions and application performance requirements.
A wide assortment of plain bearings, rod ends and bushings are also available to satisfy various oscillating movement needs. The design and material variants are extensive and offer an unparalleled selection from which to meet your application needs.
Bearing characteristics: NTN self-aligning 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.
Application: NTN self-aligning roller bearings mainly used in electric heating ring, marking machine, liquid glue, eyedrops machinery, packaging equipment, compressor, electric heater, filter material, differential pressure transmitter, automotive lamps and other equipments.
| Showing of Bearing |
| Parameters of Bearing |
More details of CZPT self-aligning roller bearing
| Model | Brand | Boundary Dimensions | Basic Load Rating | Limiting speed | Mass (kg) |
||||
| d (mm) |
D (mm) |
B (mm) |
Dynamic | Static | grease | oil | |||
| 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 |
| Our Company |
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 bearings 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 requirements.
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| Model No.: | 24176ymbw507W40c08c3 24176eca/C3w33 |
|---|---|
| Brand Name: | NTN Koyonsk Bearing |
| Type: | Self-Aligning Roller Bearing |
| Series: | 22200, 22300, 21300, 24100 |
| Feature: | Long Life High Speed |
| Lubrication: | Oil Grease |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

How do innovations and advancements in self-aligning bearing technology impact their use?
Advancements and innovations in self-aligning bearing technology have a significant impact on their use in various industries. Here’s a detailed explanation:
- Improved Performance:
Innovations in self-aligning bearing technology often result in improved performance characteristics. These advancements can include:
- Load Capacity: New bearing designs and materials can enhance the load-carrying capacity of self-aligning bearings, allowing them to withstand higher loads or operate under more demanding conditions.
- Speed Capability: Advancements in bearing manufacturing techniques and materials can increase the maximum rotational speed at which self-aligning bearings can operate effectively, enabling their use in high-speed applications.
- Friction Reduction: Innovations in bearing design, lubrication, and surface treatments contribute to reducing friction and energy losses, resulting in improved efficiency and reduced operating costs.
- Sealing and Contamination Resistance: New sealing technologies and materials can enhance the sealing performance of self-aligning bearings, providing better protection against contaminants, moisture, and harsh environmental conditions.
- Temperature and Corrosion Resistance: Advances in bearing materials and coatings enable self-aligning bearings to withstand extreme temperatures, aggressive chemicals, and corrosive environments, expanding their range of applications.
- Extended Service Life:
Innovations in self-aligning bearing technology often result in improved durability and longevity. These advancements can include:
- Materials: The development of new bearing materials, such as advanced steels, ceramics, or composites, can significantly enhance the bearing’s resistance to wear, fatigue, and surface damage, leading to extended service life.
- Lubrication: Advancements in lubrication technologies, such as the use of solid lubricants or advanced grease formulations, can provide better film formation, reduce friction, and minimize wear, thereby increasing the bearing’s operating life.
- Surface Treatments: Innovative surface treatments, such as coatings or finishes, can improve the bearing’s resistance to corrosion, wear, and fretting, contributing to longer service intervals and reduced maintenance requirements.
- Condition Monitoring: The integration of sensor technologies and data analytics in self-aligning bearings enables real-time monitoring of operating conditions, allowing for proactive maintenance and early detection of potential failures, thus maximizing the bearing’s service life.
- Application Expansion:
Advancements in self-aligning bearing technology often lead to an expansion of their application range. These advancements can include:
- New Industries: Innovations in self-aligning bearing technology can enable their use in industries or applications where they were previously not feasible. This opens up opportunities in emerging sectors, such as renewable energy, electric vehicles, robotics, or medical devices.
- Challenging Environments: Improved performance characteristics, such as enhanced sealing, temperature resistance, or contamination resistance, allow self-aligning bearings to be deployed in challenging environments, including offshore installations, high-temperature processes, or chemically aggressive applications.
- Specialized Applications: Advancements in self-aligning bearing technology can lead to the development of specialized bearing variants tailored for specific applications, such as high-speed machining, precision equipment, or demanding industrial automation systems.
Overall, innovations and advancements in self-aligning bearing technology bring about enhanced performance, extended service life, and expanded application possibilities. These advancements drive improvements in industrial productivity, reliability, and efficiency, making self-aligning bearings a valuable component in a wide range of industries and applications.

What are the potential challenges or limitations associated with using self-aligning bearings in specific industries?
While self-aligning bearings offer many advantages, there are some potential challenges and limitations associated with their use in specific industries. Here’s a detailed explanation of these considerations:
- Load Capacity:
While self-aligning bearings are designed to handle high loads, there are limits to their load-carrying capacity. In industries with extremely heavy or shock loads, such as heavy machinery, mining, or construction, the load demands may exceed the capabilities of self-aligning bearings. In such cases, alternative bearing designs or additional support mechanisms may be required to handle the extreme load conditions.
- Speed Limitations:
Self-aligning bearings may have certain speed limitations due to factors such as centrifugal forces, increased friction, or potential instability at high rotational speeds. In industries that require very high-speed applications, such as aerospace or certain manufacturing processes, specialized high-speed bearings may be more suitable to ensure optimal performance and prevent premature failure.
- Temperature and Environmental Constraints:
Self-aligning bearings have specific temperature and environmental constraints that can impact their performance. In industries involving extreme temperatures, aggressive chemicals, or harsh environmental conditions, the choice of bearing materials and lubricants becomes critical. Certain industries, such as oil and gas, chemical processing, or marine applications, may require specialized bearing designs or coatings to withstand the demanding operating conditions.
- Maintenance and Lubrication:
Proper maintenance and lubrication are essential for the reliable operation of self-aligning bearings. In industries where access for maintenance is challenging or where frequent maintenance is not feasible, the longevity and performance of self-aligning bearings may be compromised. Additionally, industries with high contamination or abrasive particles in the operating environment may require more frequent lubrication or specialized sealing arrangements to protect the bearings from premature wear and failure.
- Space Limitations:
Self-aligning bearings have a larger footprint compared to some other bearing designs due to their double-row construction and spherical outer ring raceway. In industries with space constraints or compact machinery designs, the dimensions of self-aligning bearings may pose challenges in terms of integration or fitting within limited spaces. In such cases, alternative bearing designs with smaller profiles may be more suitable.
- Cost Considerations:
Self-aligning bearings can be more expensive compared to certain other bearing types, especially in applications that require larger sizes or specialized configurations. In industries with cost-sensitive considerations, such as consumer products or automotive manufacturing, the higher cost of self-aligning bearings may influence the selection of alternative bearing options that can meet the application requirements at a lower cost.
While self-aligning bearings offer numerous benefits, it is important to carefully evaluate the specific challenges and limitations in each industry or application. By considering these factors and consulting with bearing experts or manufacturers, the most suitable bearing solution can be selected to ensure optimal performance, reliability, and cost-effectiveness.

What are the common types of self-aligning bearings, such as spherical or barrel roller bearings?
There are several common types of self-aligning bearings, each offering unique features and advantages. Here’s a detailed explanation of some of the common types:
- Spherical Roller Bearings:
Spherical roller bearings are one of the most common types of self-aligning bearings. They have a spherical outer ring raceway and two rows of barrel-shaped rollers positioned between the inner and outer rings. This design allows for the accommodation of misalignment and provides high radial load-carrying capacity. Spherical roller bearings are commonly used in heavy-duty applications, such as mining equipment, paper mills, and crushers.
- Barrel Roller Bearings:
Barrel roller bearings, also known as toroidal roller bearings, have a barrel-shaped roller arrangement with a concave outer ring raceway and a convex inner ring raceway. This design enables the bearing to accommodate misalignment and axial displacement. Barrel roller bearings are suitable for applications with high radial loads and moderate axial loads, such as in conveyor systems, printing presses, and industrial gearboxes.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings consist of an inner ring with two rows of balls and an outer ring with a spherical raceway. The design allows for misalignment compensation and is particularly suited for applications with low to moderate radial loads and moderate axial loads. Self-aligning ball bearings are commonly used in electric motors, pumps, and automotive applications.
- Self-Aligning Thrust Roller Bearings:
Self-aligning thrust roller bearings are designed to accommodate misalignment in applications with axial loads. They have a spherical rolling element between the shaft washer and the housing washer, allowing for misalignment compensation. These bearings are commonly used in applications such as screw conveyors, heavy machinery, and marine propulsion systems.
- Adapter Sleeve Bearings:
Adapter sleeve bearings are a type of self-aligning bearing that incorporates an adapter sleeve, which facilitates easy mounting and dismounting of the bearing. They are commonly used in applications where frequent bearing replacement or adjustment is required. Adapter sleeve bearings are often employed in conveyor systems, agricultural machinery, and textile equipment.
These are just a few examples of common types of self-aligning bearings. Other variations and specialized designs exist to suit specific application requirements. It’s important to consider factors such as load capacity, operating conditions, and dimensional constraints when selecting the appropriate self-aligning bearing for a particular application.


editor by CX 2024-03-30