CSK series are sprag type one way freewheel bearings. 

The inner race can be customized ROUND, SQUARE, OR HEXAGONAL as you want. 

CSK P has one keyway in the inner side.

CSKPP has two keyways on both inner and outer side.

CSK P 2RS , has one keyway and seals to protect from water resistance, and it is 5mm wider than CSKP and CSKPP.

CSKPP 2RS, have two keysways on both inner and outer side, and equipped with 2RS lip seals to be dust and water resisitance. 

 Catalogue of Hexagonal Clutch for your choice 

Tips: All the CSK versions are equippede with " formchromed" sprags. This process increases several times the overrunning life time. 

Changzhou Suma Precision Machinery Co., Ltd(Changzhou Tianniu Clutch Factory)is a manufacturer specialized in Producing Various cam clutch, one way bearing, one way clutch, backstop clutch, overrunning clutch and other bearings with high technology. 

We are following "Best Quality, Best Price, Fast Delivery, Best Serves" to make all of our old and new customers satisfied. 

Our Accept Payment terms are:  L/C,D/A,D/P,T/T,Western Union,Money Gram

Pre-sale service:

We will delivery the goods in 10 days after your order is confirmed.

After sale service:

Our factory provide technical assistance to support every doubt during usage and maintenance. 

Q: How do you pack the hexagonal clutch ?

A: Usually hexagonal clutch are packed in the wooden box. It can be done as your specfic demands.

Q: Can i get the samples of hexagonal clutch from you?

A: It is highly encouraged to ask for the samples for quality check. 

Q: Can you promise to deliver the hexagonal clutch in time?

A: Credit always ranks the top on the list. We will absolutely deliver the goods in 10 days after your order is confirmed. 

Any needs, you are warmly welcomed to contact me at any time !