四列圆柱滚子轴承（轧机轴承）
规格与参数
Bearing NO.
New :FC202970
Old :672720
Boundary dimensions(mm)
d :100
D :145
B :70
Fw :113
r 1.2min :1.5
r 3.4min :1.1
Basic load ratings(kN)
Cr :253
Cor :546
Cutline :2
Weight (kg)
Refer :3.8
Refer foreign model
SKF :
FAG :
NSK :
NTN :
KOYO :20FC1570
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