slewing ring bearings diameter and rolling

according to the rolling bearing size classification according to the outer diameter of bearing size, divided into:

(1) the miniature bearing, nominal diameter slewing ring bearings‍ for bearing size below 26mm;

(2) small bearings -- nominal diameter size scale for 28-55mm bearing;

(3) small and medium-sized bearings, nominal diameter size scale for 60-115mm bearing;

(4) in large bearing - Nominal outside Crossed Roller Slewing Bearing‍ diameter size scale for 120-190mm bearing

(5) the large bearing - nominal diameter size scale for 200-430mm bearing;

(6) extra large type bearing, nominal diameter size for the bearing more than 440mm.                 ‍