China Timg 7014 -15000rpm Ceramic Ball (11.906mm) Spindle Bearings: Machining Center Spindle Bearings, Used for Mechanical Spindles and Motorized Spindles, Find details about China High Speed and High Rigidity, Mechanical and Motorized Spindle from Timg 7014 -15000rpm Ceramic Ball (11.906mm) Spindle Bearings: Machining Center Spindle Bearings, Used for Mechanical Spindles and Motorized Spindles