... bearings is ball bearing, and the other side bearing, One-Way bearingFeatures: 1) One side of the composite bearings is ball ... bearing, and the other side bearing,which serve as one-way bearing after compounding. When the outer ring is fastened, the ... : 12 - 50mmb) Outer diameter: 32 - 100mmc) Width: 12 - 50mm One-Way Composite Bearing