四列圆柱滚子轴承（轧机轴承）
规格与参数
Bearing NO.
New :FC4866220A
Old :
Boundary dimensions(mm)
d :240
D :330
B :220
Fw :270
r 1.2min :2.1
r 3.4min :2.1
Basic load ratings(kN)
Cr :1500
Cor :3700
Cutline :2
Weight (kg)
Refer :58
Refer foreign model
SKF :313921
FAG :508368
NSK :240RV3301
NTN :4R4811
KOYO :312943/1YD
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