NTN eccentric collar ball bearing description:      
1)Eccentric bearing is a very practical type in all the bearings.It has a simple structure including an outer ring,an inner ring,rolling element basket.
2)The feature of eccentric bearing is that there is an eccentric hole on the internal bore of inner ring and there is a longitudinal keyway on the medial wall of eccentric hole.The NTN,KOYO eccentric bearing's  characteristic is no eccentric shaft can achieve eccentric function.In this way ,it has another advantage:easy assembly.
3)Eccentric bearing is mainly used in reducer,petroleum,chemical industry,textile,metallurgy,mines,steel mills,heavy machinery etc.It's one of most important parts of reduction box or gear.

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