PNA20/42 Alignment needle roller bearings, with an inner ring
PNA20/42 Alignment needle roller bearings, with an inner ring detail Specifications:
Material : 52100 Chrome Steel
Construction : Single Row with an inner ring
Limiting Speed : 18000 rpm
Weight : 0.14 kg
Main Dimensions:
Bore diameter (d) : 20 mm
Raceway diameter inner ring (F) : 25 mm
Outer diameter (D) : 42 mm
Width (C) : 20 mm
The Tolerance of width : - 0.05 mm to + 0.05 mm
Shoulder diameter sleeve (D1): 36.5 mm
Chamfer dimension sheet steel sleeve (r) min. : 0.8 mm
Chamfer dimension inner ring (r 1) min. : 0.3 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other (s) min. : 0.5 mm
Dynamic load ratings (Cr) : 18.80 KN
Static load ratings (Cor) : 30.50 KN
ABUTMENT DIMENSIONS
Smallest permissible abutment diameter shaft (da) min . : 22 mm
Smallest permissible abutment diameter housing(Da)min. : 35 mm
Largest permissible abutment diameter housing(Da)max. : 37 mm
Fillet radius(ra)max. : 0.8 mm
Fillet radius(rb)max. : 0.3 mm
