四列圆柱滚子轴承（轧机轴承）
规格与参数
Bearing NO.
New :FC6284300/YA3
Old :
Boundary dimensions(mm)
d :310
D :420
B :300
Fw :338
r 1.2min :4
r 3.4min :4
Basic load ratings(kN)
Cr :3130
Cor :7650
Cutline :1
Weight (kg)
Refer :121
Refer foreign model
SKF :
FAG :
NSK :310RV4201
NTN :
KOYO :62FC42300
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