Bearing, Ball Bearing, Deep Groove Ball Bearing manufacturer / supplier in China, offering Miniature Deep Groove Ball Bearings (1mm-10mm) – for Small Motors & Instruments, High-Speed Deep Groove Ball Bearings – up to 30, 000 Rpm for Precision Machinery, Industrial Deep Groove Ball Bearings – Reliable for Pumps, Gearboxes & Conveyors and so on.