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Bearing RNA4909 (INA)
Needle roller bearings RNA4909
Bearing number : RNA4909
Size (mm) : 52x68x22
Brand : INA
Bore Diameter (mm) : 52
Outer Diameter (mm) : 68
Width (mm) : 22
Bearing dimensions and specification in INA catalogue:
Fw - 52 mm
D - 68 mm
C - 22 mm
rmin - 0,6 mm
m - 182 g / Weight
Cr - 51000 N / Dynamic load rating (radial)
C0r - 73000 N / Static load rating (radial)
Cur - 12600 N / Fatigue limit load, radial
nG - 8600 1/min / Limiting speed
nB - 4550 1/min / Reference speed
dimension series 49, to DIN 617/ISO 1206
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