四列圆柱滚子轴承（轧机轴承）
规格与参数
Bearing NO.
New :FCD6996350
Old :
Boundary dimensions(mm)
d :345
D :480
B :350
Fw :376
r 1.2min :4
r 3.4min :4
Basic load ratings(kN)
Cr :4180
Cor :9780
Cutline :4
Weight (kg)
Refer :192
Refer foreign model
SKF :
FAG :
NSK :345RV4821
NTN :
KOYO :
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