Bearing Collars, Sleeves & Locking Devices Because shaft collars wrap around a shaft to distribute clamping forces, the collars give a snug fit without damaging the shaft. Two-piece shaft collars add versatility by matching the diameter of the shaft with the correct fit and alignment.

Bearing Collars, Sleeves & Locking Devices. Locking devices prevent a bearing from rotating around the shaft. Because different mounted ball bearing applications may require different types of locking devices, Motion Industries offers all standard locking devices. Those include set screw, eccentric locking collar, chamfered edge, and tapered bore adapter sleeve locking devices.