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Bearing RNA4912 (KOYO)
Needle roller bearings RNA4912
Bearing number : RNA4912
Size (mm) : 68x85x25
Brand : KOYO
Bore Diameter (mm) : 68
Outer Diameter (mm) : 85
Width (mm) : 25
Bearing dimensions and specification in KOYO catalogue:
Fw - 68 mm
D - 85 mm
C - 25 mm
r5 min. - 1 mm
Weight - 0,304 Kg
Basic dynamic load rating (C) - 64,8 kN
Basic static load rating (C0) - 116 kN
(Grease) Lubrication Speed - 4100 r/min
(Oil) Lubrication Speed - 6300 r/min
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