HD77 Bosch - Parts

This is an authentic OEM part made by original manufacturer. It is compatible with various Skil and Bosch saws. Ball bearings serve as a buffer between metal parts. They also stabilize for proper positioning/direction of moving parts. Ball bearings need frequent replacement because of their high-wear function. This steel ball bearing is sold individually. Seals, o-rings, etc. are sold separately.

This is a genuine replacement part manufactured for use with circular saws. This ring provides spacing between the armature bearing and the seal collar. It is important to inspect the ring for wear when servicing the armature or bearing, the ring is sold individually.