NA4904-2RS Needle roller bearings with machined rings, with an inner ring
NA4904-2RS Needle roller bearings with machined rings, with an inner ring detail Specifications:
Material : 52100 Chrome Steel
Type : single row
Seal type : sealed on both sides
Limiting Speed : 7500 rpm
Weight : 0.08 kg
Main Dimensions:
Bore Diameter (d) : 20 mm
Raceway diameter inner ring (F) : 25 mm
Outer diameter (D) : 37 mm
Width outer ring (C) : 17 mm
Width (B) : 18 mm
Chamfer dimension outer ring (r) min. : 0.3 mm
Dynamic load ratings (Cr) : 17.30 KN
Static load ratings (Cor) : 19.90 KN
ABUTMENT DIMENSIONS
Smallest permissible abutment diameter shaft, bearings with flanges (da) min. : 22 mm
Abutment diameter housing (with flanges) (Da) max. : 35 mm
Fillet radius (ra) max. : 0.3 mm












