The outer ring has flanges on both sides, and the inner ring has a flange on one side plus a movable retaining ring. This design can withstand large radial forces and achieve bidirectional axial positioning. The shaft can float slightly axially to compensate for thermal expansion. It is an open type without a sealing ring and requires external lubrication. Model F-56718 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description 1. Hydraulic piston pumps