... 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 inner ring can operate in one direction, and stop in another direction. They have ... 50mmb) Outer diameter: 32 - 100mmc) Width: 12 - 50mm One-Way Composite Bearing