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Bearing RNA4912 (INA)
Needle roller bearings RNA4912
Bearing number : RNA4912
Size (mm) : 68x85x25
Brand : INA
Bore Diameter (mm) : 68
Outer Diameter (mm) : 85
Width (mm) : 25
Bearing dimensions and specification in INA catalogue:
Fw - 68 mm
D - 85 mm
C - 25 mm
rmin - 1 mm
m - 275 g / Weight
Cr - 68000 N / Dynamic load rating (radial)
C0r - 108000 N / Static load rating (radial)
Cur - 18800 N / Fatigue limit load, radial
nG - 6700 1/min / Limiting speed
nB - 3600 1/min / Reference speed
dimension series 49, to DIN 617/ISO 1206
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