Henan zhengzhou a return train an apprentice, I didn't think disciple should this

Henan zhengzhou a return train an apprentice, I didn't think disciple should have this? Bearing inner and outer ring of the positioning and fixed to a) With shaft with retaining ring embedded in the shaft inside the groove, it is mainly used for axial force is not big and the speed is not high; b) Use screw shaft end ring fastening, can be used to accept large axial force under high speed, screw should be locking measures; c) With a round nut and lock washer with fastening, mainly used in high speed, accept the condition of the larger axial force; d) With a taper sleeve positioning, check washer and nut fastening, used in optical axis, bearing inner ring for the taper hole. a) Shoulder and spring collar location b) Shoulder with the shaft collar location c) Shoulder, round nut and lock washer with positioning d) With taper sleeve positioning e) With embedded housing groove inside the hole with elastic ring, it is mainly used for axial force is not big and decrease the size of bearing installation; f) With bearing end cover fastening, used in high speed, accept large axial force centripetal, thrust and centripetal thrust bearing; g) With shaft with elastic ring embedded stopper of bearing outer ring groove clamp, used when the shell inconvenience when setting convex shoulder; h) Use thread ring clamp for bearing high speed, large axial force, and is not suitable for bearing end cover the status of the fastening. e) The locking groove of the outer race elastic ring f) Complete the outer position with high temperature bearing end cover g) Hole complete outer ring with elastic ring positioning h) Thread ring located on an article: from shanxi taiyuan bearing manufacturer deeply doubt the next: hubei wuhan one bearing manufacturer faces many problems