四列圆柱滚子轴承（轧机轴承）
规格与参数
Bearing NO.
New :FC6490240/YA3
Old :
Boundary dimensions(mm)
d :320
D :450
B :240
Fw :358
r 1.2min :4
r 3.4min :4
Basic load ratings(kN)
Cr :2620
Cor :5840
Cutline :1
Weight (kg)
Refer :121
Refer foreign model
SKF :
FAG :
NSK :320RV4501
NTN :4R6411
KOYO :4CR320
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