Dynamic bearing retainer is equivalent to an activity of guard, is to use dry bearing to gear roller to use, convenient installation.Retaining ring structure of the steel ball bearing with flat collar, helical baffle ring and ring.

Flat collar: jiashan a separable bearing factory basically flat washers, inside or outside the part used as centripetal roller bearing outer or inner ring guard.

Helical baffle ring: has the "L" shaped cross section can be separated, its outer part to the roller ball bearing inner rim.

Retaining ring: in two or more columns of roller bearing can be separated, and guiding the columns used in the separated roller.

Guard is parallel to the rolling direction and highlight the raceway surface of narrow convex shoulder, used to support and guide roller and keep it in the bearings.