... Chrome or Carbon SteelAligning angle:four degreeIt has self-aligning function,it’s applied in the works for which supporting ... of ball:Tapered bore and spherical boreTechnology:Low noise,High precision and durability.Filed used in:wood processing machines ... ,00011,0000.213 NSK Self-aligning ball bearing 1200K,high revolutions bearing,high quality bearing, low noisy and low friction bearing, bearings