四列圆柱滚子轴承（轧机轴承）
规格与参数
Bearing NO.
New :FC5274220/YA3
Old :672752
Boundary dimensions(mm)
d :260
D :370
B :220
Fw :292
r 1.2min :3
r 3.4min :3
Basic load ratings(kN)
Cr :1950
Cor :4140
Cutline :1
Weight (kg)
Refer :76.5
Refer foreign model
SKF :313823
FAG :507336
NSK :260RV3701
NTN :4R5208
KOYO :313823
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