Bearing, Ball Bearing, Roller Bearing manufacturer / supplier in China, offering 55ber19s 55ber19h 55ber19X Bnr19 Series Ultra High-Speed Angular Contact Ball Bearing for Machine Tool CNC Spindle, 55ber19s 55ber19h 55ber19X Ber19 Series Ultra High-Speed Angular Contact Ball Bearing for Machine Tool CNC Spindle, 50ber19s 50ber19h 50ber19X Ber19 Series Ultra High-Speed Angular Contact Ball Bearing for Machine Tool CNC Spindle and so on.