四列圆柱滚子轴承（轧机轴承）
规格与参数
Bearing NO.
New :FC4866220
Old :672748
Boundary dimensions(mm)
d :240
D :330
B :220
Fw :264
r 1.2min :2.1
r 3.4min :2.1
Basic load ratings(kN)
Cr :1540
Cor :3850
Cutline :1
Weight (kg)
Refer :56.4
Refer foreign model
SKF :
FAG :
NSK :
NTN :4R4819
KOYO :48FC33220
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