Our company main produce ball bearing of metric system, inch precision miniature, thin wall and especial use or structure. It includes thin wall series, Flange series, inch series, kinds of nonstandard bearings and plastic bearings. The bore diameter of standard bearings ranging from 3mm to 15mm.and the overall diameter ranging from 5mm to 40mm .Our products widely used in computers ,laser equipment, low noise mini-motors, medical instruments, office automation equipment, house hold appliances top grade toy,fashing gear,ice skating shoes and so on. And it can be made by Chinese national standard GB307.1 with customers request.Main Products