Whittet Higgins CNM-30 Collar Yoke Type Track Roller The Whittet-Higgins BM-12 Bearhug is

The Whittet-Higgins BM-12 Bearhug is a metric

This allows for the loosening of any component sitting on a shaft and accessible from the outside

By operating the clamping cone

It allows for the removal of any component that sits on a shaft and is freely accessible from the outside

a durable rubber cover

Whittet Higgins CNM-30 Collar Yoke Type Track Roller The Whittet-Higgins BM-12 Bearhug isThe Whittet Higgins CNM 30 is a one piece, mechanically self locking metric clampnut that retains and preloads bearings and other components against a threaded shaft. It clamps onto the shaft threads through a tangential (X axis) socket head cap screw, locking the assembly without a separate lockwasher and without damaging the shaft threads when secured. The integral clamp screw gives infinite adjustment and preloading capability and tangential access