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Bearing RB4912 (NACHI)
Cylindrical roller bearings RB4912
Bearing number : RB4912
Size (mm) : 60x85x25
Brand : NACHI
Bore Diameter (mm) : 60
Outer Diameter (mm) : 85
Width (mm) : 25
Bearing dimensions and specification in NACHI catalogue:
d - 60 mm
D - 85 mm
B - 25 mm
C - 25 mm
d1 - 69.5 mm
r min. - 1 mm
D1 - 76 mm
da min. - 67 mm
Da max. - 78 mm
ra max. - 1 mm
Weight - 0.46 Kg
Basic dynamic load rating (C) - 68 kN
Basic static load rating (C0) - 118 kN
(Grease) Lubrication Speed - 1700 r/min
(Oil) Lubrication Speed - 3400 r/min
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