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  1. KOYO Cylindrical roller bearing
NNU4976 d(Inside diameter):380mm
OD(Outer diameter):520mm
B(Height):140mm
r(Minimum):4
Cr(Dynamic load rating):1640kN
Cor(Static load rating):4040kN
Grease(Grease lubrication):840rpm
Oil( Oil lubrication):1000rpm

b_type(category):Cylindrical roller bearing

s_type(Remarks):Double row cylindrical roller bearings
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