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Bearing NK21/20 (INA)
Needle roller bearings NK21/20
Bearing number : NK21/20
Size (mm) : 21x29x20
Brand : INA
Bore Diameter (mm) : 21
Outer Diameter (mm) : 29
Width (mm) : 20
Bearing dimensions and specification in INA catalogue:
Fw - 21 mm
D - 29 mm
C - 20 mm
rmin - 0,3 mm
m - 35,2 g / Weight
Cr - 19300 N / Dynamic load rating (radial)
C0r - 25500 N / Static load rating (radial)
Cur - 4450 N / Fatigue limit load, radial
nG - 20600 1/min / Limiting speed
nB - 11100 1/min / Reference speed
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Bore Dia, mm
Outer Dia, mm:
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