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
Inner (d): 35mm
Outer (D): 80mm
Width (B): 21mm
Weight (kg): 0.4650
2RS: Rubber seal on both sides
NR: Bearing with snap ring groove and snap ring
Cross Reference: 6307-2RSNR, 6307 2RS NR, 6307-2RS-NR, 6307-2RS1NR, 6307DDU NR, etc.
Cone Number: 580
Cup Number: 572
Mass: 2.14kg/set
d - Bore: 82.550 mm/3.2500 in
D - Outer Diameter: 139.982 mm/5.5111 in
T - Bearing Width: 35.253 mm/1.3879 in
Interchange: 580/572, 580 - 572, 580 - 572A, SET401, SET 401