四列圆柱滚子轴承（轧机轴承）
规格与参数
Bearing NO.
New :FC5678240/YA3
Old :
Boundary dimensions(mm)
d :280
D :390
B :240
Fw :312
r 1.2min :3
r 3.4min :3
Basic load ratings(kN)
Cr :2240
Cor :5230
Cutline :1
Weight (kg)
Refer :89.4
Refer foreign model
SKF :
FAG :
NSK :280RV3902
NTN :
KOYO :
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