Mass: 1.4kg/piece
Size: 55*120*29mm
B: Bearing contact angle is 40°
E: Optimized internal design
CB: Bearing for universal matching, two bearings arranged in back-to-back or face-to-face configuration
Cross Reference: 7311 BECBM, 7311BECBM, 7311BECBM/C3, 7311 BECBM/C3 and so on