Utility knife made from ball bearing ring steel in the shop. This is my first blacksmithing knife, crafted with limited blacksmithing skills. The steel used is 52100, which has proven to be ...

The tolerance rings go between eight ball bearings and bores in Cybex Arc cross trainers from Cybex International, Medway, Mass. The rings compensate for out-of-round and minor misalignment caused ...

These unique circular fasteners can secure and mount ball bearings within housings or to ... the inherent properties of a particular tolerance ring configuration, and the properties of the mating ...