Product Description
1.Product Picture:
2.Production Process:
3.Application
Papermaking machinery, speed reducer, railway vehicle axle, rolling mill gear box , rolling mill roller , crusher, vibrating screen, printing machinery, woodworking machinery, various industrial speed reducers, vertical belt seated self-aligning bearings.
4.Why choose us?
▄ HangZhou Kent bearing Co.,Ltd established in 2003, has been focused on high precision and low noise deep groove ball bearing research and manufacturing. Engaged in foreign trade for 15 years, we provide products for many industrial fields. We attach important to global production, Not only won wideapresd praise in the domestic market, but also gain the recognition of foreign market, such as European,Southeast Asian and Africa market.
▄ The company has more than 20 assembly lines, and through ISO9001:2000 quality management system certification, has a professional technical and service team, technical personnel proportion of more than 30%. Over the years, we have been adhering to the use of high-end raw material production, from the first to every step, with excellent product development capabilities and strict quality control, we continue to expand the product line and application range.
▄ To learn from the advanced level at home and abroad, to create their own high-quality bearings, is the CZPT pursuit of Kent bearing company. Uphold the “True quality is more durable, let the bearing move more quieter”
business philosophy, we have received many customers good praise.
▄ Good Warranty we take customer satisfaction and product quality as the first priority for us, we supply reliable warranties and good after-sales services.
5.Development.
China international bearing exhibiton in ZheJiang , 2018
Participate in hannover exhibition in Germany ,2019
6.Product Description:
Bearing No. | Dimensions [mm] | Weight [kg] | Basic load ratings [kN] | Limiting speed [rpm] | ||||
d | D | B | dyn.C | stat.C0 | grease | oil |
21304C | 20 | 52 | 15 | 0,16 | 34,4 | 33,6 | 7000 | 9500 |
21305 CW33 | 25 | 62 | 17 | 0,25 | 41,4 | 41,5 | 6700 | 8500 |
21306 CW33 | 30 | 72 | 19 | 0,38 | 55,2 | 61 | 6000 | 7500 |
21306 KCW33 | 30 | 72 | 19 | 0,38 | 55,2 | 61 | 6000 | 7500 |
21307 CW33 | 35 | 80 | 21 | 0,51 | 65,6 | 72 | 5300 | 6700 |
21307 KCW33 | 35 | 80 | 21 | 0,502 | 65,6 | 72 | 5300 | 6700 |
21308 CW33 | 40 | 90 | 23 | 0,71 | 82,8 | 98 | 4500 | 5600 |
21308 KCW33 | 40 | 90 | 23 | 0,706 | 82,8 | 98 | 4500 | 5600 |
21309 CW33 | 45 | 100 | 0,95 | 101 | 114 | 4300 | 5300 | |
21309 KCW33 | 45 | 100 | 25 | 0,947 | 101 | 114 | 4300 | 5300 |
21310 CW33 | 50 | 110 | 27 | 1,2 | 120 | 140 | 3600 | 4800 |
21310 KCW33 | 50 | 110 | 27 | 1,21 | 120 | 140 | 3600 | 4800 |
21311 CW33 | 55 | 120 | 29 | 1,6 | 138 | 163 | 3400 | 4300 |
21311 KCW33 | 55 | 120 | 29 | 1,55 | 138 | 163 | 3400 | 4300 |
21312 CW33 | 60 | 130 | 31 | 1,95 | 161 | 200 | 3000 | 3800 |
21312 KCW33 | 60 | 130 | 31 | 1,93 | 161 | 200 | 3000 | 3800 |
21313 CW33 | 65 | 140 | 33 | 2,45 | 184 | 240 | 2800 | 3600 |
21313 KCW33 | 65 | 140 | 33 | 2,42 | 184 | 240 | 2800 | 3600 |
21314 CW33 | 70 | 150 | 35 | 3 | 207 | 260 | 2600 | 3400 |
21314 KCW33 | 70 | 150 | 35 | 2,95 | 207 | 260 | 2600 | 3400 |
21315 CW33 | 75 | 160 | 37 | 3,55 | 235 | 300 | 2400 | 3200 |
21315 KCW33 | 75 | 160 | 37 | 3,55 | 235 | 300 | 2400 | 3200 |
21316 CW33 | 80 | 170 | 39 | 4,2 | 258 | 335 | 2200 | 3000 |
21316 KCW33 | 80 | 170 | 39 | 4,23 | 258 | 335 | 2200 | 3000 |
21317 CW33 | 85 | 180 | 41 | 5 | 293 | 375 | 2000 | 2800 |
21317 KCW33 | 85 | 180 | 41 | 4,93 | 293 | 375 | 2000 | 2800 |
21318 CW33 | 90 | 190 | 43 | 5,8 | 322 | 425 | 1900 | 2600 |
21318 KCW33 | 90 | 190 | 43 | 5,74 | 322 | 425 | 1900 | 2600 |
21319 CW33 | 95 | 200 | 45 | 7,15 | 351 | 480 | 1800 | 2400 |
21319 KCW33 | 95 | 200 | 45 | 6,63 | 351 | 480 | 1800 | 2400 |
21320 CW33 | 100 | 215 | 47 | 8,8 | 385 | 530 | 1700 | 2200 |
21320 KCW33 | 100 | 215 | 47 | 8,19 | 385 | 530 | 1700 | 2200 |
21322 CW33 | 110 | 240 | 50 | 12 | 460 | 630 | 1600 | 2000 |
21322 KCW33 | 110 | 240 | 50 | 11,1 | 460 | 630 | 1600 | 2000 |
Usually carton packaging, or PVC bag with a label. Specifically according to the customer to your needs, you can use any packaging situation.
Description:
1) The spherical roller bearing has 2 rows of rollers, a common sphered raceway in the outer ring, and two inner ring raceways inclined at an angle to the bearing axis.
2) The bearings are inherently self aligning and robust, which makes the bearings insensitive to misalignment of the shaft relative to the housing and to shaft deflection or bending.
3) The 2 rows of rollers make the bearings CZPT to carry high axial loads acting in both directions.
4) There are many sizes and designs for this type bearings, depending on bearing the arrangement of the floating CZPT and the design of the inner ring and/or cages.
Spherical roller bearing’items as follow:
25714 series
25714 25715 25716 25717 25718 25719 25710 25711
25712 25713 25714 25715 25716 25717 25718 25719
25710 25711 25712 25714 25716 25718 25710 25712
25714 25716 25718 25710 25714 25718 25712
21304 series
21304 21305 21306 21307 21308 21309 21310
21311 21312 21313 21314 21315 21316 21317
21318 21319 21320 21322
23571 series
23571 23571 23026 23571 23030 23032 23034 23036
23038 23040 23044 23048 23052 23056 23060 23064
23068 23072 23076 23080 23084 23088 23092 23096
24571 series
24571 24026 24571 24030 24032 24034 24036 24038
24040 24044 24048 24052 24056 24060 24064 24068 24072
23218 series
23218 23220 23222 23224 23226 23228 23230 23232
23234 23236 23238 23240 23244 23248 23252 23256
23260 23264 23268 23272 23276 23280 23284 23288
23292 23296
22205 series
22205 22206 22207 22208 22209 22210 22211 22212 22213 22214
22215 22216 22217 22218 22219 22220 22222 22224 22226 22228
22230 22232 22234 22236 22238 22240 22244 22248 22252 22256
22260 22264 22268 22272
22307 series
22307 22308 22309 22310 22311 22312 22313
22314 22315 22316 22317 22318 22319 22320
22322 22324 22326 22328 22330 22332 22334
22336 22338 22340 22344 22348 22352 22356 22360
23120 series
23120 23122 23124 23126 23128 23130 23132
23134 23136 23138 23140 23144 23148 23152
23156 23160 23164 23168 23172 23176 23180
23184 23188 23192 23196
24122 series
24122 24124 24126 24128 24130 24132 24134 24136
24138 24140 24144 24148 24152 24156 24160 24164
24168 24176 24180 24184 24188 24192 24196 24172
7.Contact information:
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Precision Rating: | P0 P6 P5 P4 P2 |
---|---|
Seals Type: | Open |
Noise Level: | V1, V2, V3 |
Feature: | Low Noise, High Speed, Long Life |
Tolerance Grade: | C1 C2 C3 |
Hardness: | 58-63 HRC |
Customization: |
Available
| Customized Request |
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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 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.
editor by CX 2024-04-19