1. Product Overview The 7215 CDGB/P4 single row angular contact ball bearing adopts 15° contact angle, CDGB glass fiber reinforced nylon cage and P4 super precision tolerance grade. It can bear combined radial and unidirectional axial loads, supports ultra-high speed rotation with ultra-low vibration and noise, widely applied to CNC machine tool spindles, precision automation equipment, testing instruments and high-speed rotary machinery. 👉 Get a quote within 24 hours for