Ball bearings are used to provide smooth ... Bore - The bearing industry uses a standard number system for bearings with metric diameter bores. For bore sizes 04 and up multiply by 5 to obtain the ...

a ball bearing race, dimples, and pads. Typically, measurements for Lazy Susan bearings are listed in inches (in.) or fractions of inches. Sizes range from 3 in. to 12 in. and include 4-in., 6-in., ...