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Bearing RNA6909-ZW (INA)
Needle roller bearings RNA6909-ZW
Bearing number : RNA6909-ZW
Size (mm) : 52x68x40
Brand : INA
Bore Diameter (mm) : 52
Outer Diameter (mm) : 68
Width (mm) : 40
Bearing dimensions and specification in INA catalogue:
Fw - 52 mm
D - 68 mm
C - 40 mm
rmin - 0,6 mm
m - 338 g / Weight
Cr - 79000 N / Dynamic load rating (radial)
C0r - 127000 N / Static load rating (radial)
Cur - 21400 N / Fatigue limit load, radial
nG - 8600 1/min / Limiting speed
nB - 4600 1/min / Reference speed
Dimension series 69, double row
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