213xx Series
213xx Series
Spherical Roller Bearings
This bearing type has a solid inner ring, which runs on two rows of symmetrical rollers in a solid outer ring. 21304 CC 21305 CC 21306 CC 21307 CC 21308 CC 21309 CC 21310 CC 21311 CC 21312 CC 21313 CC 21314 CC 21315 CC 21316 CC 21317 CC 21318 CC 21319 CC 21320 CC 21322 CC
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Characteristics and application

The spherical roller bearing has double-row rollers, the outer ring has a common spherical raceway, and the inner ring has two raceways that are tilted at an angle relative to the bearing axis. This ingenious structure makes it self-aligning, so it is not easily affected by the angle between the shaft and the bearing box seat or the shaft bending, and is suitable for occasions where the angle error is caused by installation error or shaft deflection. In addition to being able to withstand radial loads, the bearing can also withstand bidirectional axial loads.

The inner hole of the spherical roller bearing is cylindrical and conical, and the taper of the conical bore is 1:30 and 1:12. This tapered inner bore bearing is equipped with a tightening sleeve or a withdrawal sleeve, so that the tapered inner bore spherical ball bearing can be easily and quickly assembled on the smooth shaft or stepped machine shaft.

Mainly applicable cage: stamped steel plate reinforced cage (suffix E). Stamped steel plate cage (suffix CC), glass fiber reinforced polyamide 66 cage (suffix TVPB), machined brass two-piece cage (suffix MB). Machined brass integral cage (suffix CA), stamped steel plate cage for vibration applications (suffix JPA). Brass cage for vibration applications (suffix EMA)


Bearing Numberd mmD mmB mm
21304 CC205215
21305 CC256217
21306 CC307219
21307 CC358021
21308 CC409023
21309 CC4510025
21310 CC5011027
21311 CC5512029
21312 CC6013031
21313 CC6514033
21314 CC7015035
21315 CC7516037
21316 CC8017039
21317 CC8518041
21318 CC9019043
21319 CC9520045
21320 CC10021547
21322 CC11024050

Application

The spherical roller bearing is mainly used in: papermaking machinery, reduction gears, railway vehicle axles, rolling mill gearbox bearing seats, rolling mill rollers, crushers, vibrating screens, printing machinery, woodworking machinery, various industrial reducers, and vertical seated spherical bearings.

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COMPANY STRENGTH

We can produce and supply P0 P6 P5(‌ABEC1 ‌ABEC3 ‌ABEC5), Z1 Z2 Z3, V1 V2 V3 and other bearings of various qualities, suitable for different scenarios. Our factory has sufficient inventory and fast delivery. In addition, our factory supports drawing customization or design & development of new bearings to meet your requirements.

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Transaction case

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FAQ

Q: How is the product packaged?
A: Standard export seaworthy packing with waterproof paper inside and iron outside, secured by fumigated wooden pallets. It can effectively protect products from corrosion and various climate changes during Marine transportation.

 

Q: Is there quality inspection before loading?
A: Of course, all our products go through strict quality inspection before packing. Those that fail will be destroyed. Customers can also entrust a third party to inspect the products before loading.

 

Q: What are the loading ports?
A: In general, we ship the goods from Shanghai, Tianjin, Qingdao and Ningbo ports. You can designate other ports according to your needs.

 

Q:Can you deliver the goods on time?
A: Yes, we guarantee the best quality products and punctual delivery. Integrity is the tenet of our company.

 

Q: Can we take some samples? Any fees?
A: Yes, we can provide samples free of charge, but we don't pay for shipping. If you place an order after confirming the sample, we will refund your delivery fee or deduct it from the order amount.

 

Q: Can I visit your factory?
A: Of course. We welcome customers from all over the world to visit our factory.

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