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Bearing RNA4912R (NTN)
Needle roller bearings RNA4912R
Bearing number : RNA4912R
Size (mm) : 68x85x25
Brand : NTN
Bore Diameter (mm) : 68
Outer Diameter (mm) : 85
Width (mm) : 25
Bearing dimensions and specification in NTN catalogue:
Fw - 68 mm
D - 85 mm
C - 25 mm
r min. - 1 mm
Da max. - 80 mm
ra max. - 1 mm
Weight - 0,275 Kg
Basic dynamic load rating (C) - 61,5 kN
Basic static load rating (C0) - 108 kN
(Grease) Lubrication Speed - 4000 r/min
(Oil) Lubrication Speed - 6000 r/min
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