四列圆柱滚子轴承（轧机轴承）
规格与参数
Bearing NO.
New :FC4868220/YA3
Old :
Boundary dimensions(mm)
d :240
D :340
B :220
Fw :268
r 1.2min :3
r 3.4min :3
Basic load ratings(kN)
Cr :1670
Cor :3530
Cutline :1
Weight (kg)
Refer :71
Refer foreign model
SKF :
FAG :513703
NSK :240RV3403
NTN :
KOYO :48FC34220
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