Bearings knowledge ：

1、Structures and types of rolling bearings   1.1、Constructure of rolling bearing 1.2、Classification of rolling bearings  2、Summary of choosing bearings   2.1、Operating conditions and environment condition of bearing 2.2、Choose manner of bearing disposition  3、3、 Choosing bearing structure   3.1、Choosing bearing structure  4、fixed end bearing and free end bearing   4.1、fixed end bearing and free end bearing  5、bearing code   5.1、bearing code  6、The accuracy of bearing   6.1、The accuracy of bearing and its classes  7、Using of bearing   7.1、matters needing attention 7.2、Safe keeping 7.3、Installation 7.4、Disassembly 7.5、Maintenance 7.6、The method of identify damages of bearings  8、Damage of bearings and measures   8.1、Damage of bearings and measures  9、revolve bearing   9.1、four-point contact ball revolve bearing （HS series） 9.2、Three-row roller revolve bearing（HY series）

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