四列圆柱滚子轴承（轧机轴承）
规格与参数
Bearing NO.
New :FC5070220/YA3
Old :672750
Boundary dimensions(mm)
d :250
D :350
B :220
Fw :278
r 1.2min :3
r 3.4min :3
Basic load ratings(kN)
Cr :1730
Cor :3990
Cutline :1
Weight (kg)
Refer :65
Refer foreign model
SKF :
FAG :
NSK :250RV3501
NTN :4R5008
KOYO :50FC35220
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