Miniature Ball Bearings are machined components that include an outer ring, inner ring, balls, retainers, shields and snap rings.

Small Ball Bearings, which made of chrome steel( GCr15 bearing steel, SAE52100) and stainless steel (AISI420, AISI440C). mini bearing inner bore sizes as small as 1mm..

ABEC-3 683ZZ Small Ball Bearings 3x7x3mm are a high quality chrome bearing with rubber seals, and with metal shields. These are commonly used in T-Maxx's and Tamiya's. 683ZZ is the standard bearing for nitro clutches.   

Dongguan Youchi Bearing Co.,Ltd supply RC ball bearing set, hybrid ceramic bearing, stainless steel ball bearing , flanged bearings, one way bearing... widely used for RC models, racing, trucks, boat, cars..