... ApplicationWidely used in home appliances, electric tools, fitness equipment, motors, medical devices, motorbikes, textile machines, autos and other areas.Deep Groove Ball Bearing ... 2318 3630 5145 73Shield,seal and lubrication The structure of bearings consists of open and close types,and the close type might be equipped with ... 3 1.5 Matched 8 4 2 inner ring Bicycle Wheel Bearings