NK 47/20 Needle roller bearings with machined rings, without an inner ring
NK 47/20 Needle roller bearings with machined rings, without an inner ring detail Specifications:
Material : 52100 Chrome Steel
Series : without an inner ring
Construction : Single Row
Limiting Speed : 9500 rpm
Weight : 0.095 kg
Main Dimensions:
Diameter under rollers (d) : 47 mm
Tolerance of Diameter under rollers : 0.025 mm to 0.041 mm
Outside diameter (D) : 57 mm
Tolerance of Outer diameter : - 0.013 mm to 0 mm
Width (C) : 20 mm
Tolerance of Width : - 0.12 mm to 0 mm
Dynamic load ratings (Cr) : 28.50 KN
Static load ratings (Cor) : 56.00 KN
ABUTMENT DIMENSIONS
Abutment diameter housing (with flanges) (Da) max. : 55 mm
Fillet radius (ra) max. : 0.3 mm
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