Bearings, Machine Tools, CNC Machines manufacturer / supplier in China, offering Rollers Cylindrical/Tapered/Spherical for Railway/Industrial Equipment/CNC Linear Guides DIN/GCr15/100Cr6/SUJ-2 NRA/NRB ZB, High quality Factory Price Universal Coupling Flexible Plum Clamp Coupler Shaft Size Jaw Shaft Coupling, P4 Machine Tool Spindles 7200 Series A/B/C/AC Angular Contact Ball Bearings and so on.