NA4852 Needle roller bearings with machined rings, with an inner ring
NA4852 Needle roller bearings with machined rings, with an inner ring detail Specifications:
Material : 52100 Chrome Steel
Type : single row
Limiting Speed : 1500 rpm
Weight : 10.60 kg
Main Dimensions:
Bore Diameter (d) : 260 mm
Raceway diameter inner ring (F) : 285 mm
Outer diameter (D) : 320 mm
Width (B) : 60 mm
Chamfer dimension outer ring (r) min. : 2.0 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other (S) : 2.0 mm
Dynamic load ratings (Cr) : 415 KN
Static load ratings (Cor) : 1160 KN
ABUTMENT DIMENSIONS
Smallest permissible abutment diameter shaft, bearings with flanges (da) min. : 269 mm
Abutment diameter housing (with flanges) (Da) max. : 311 mm
Fillet radius (ra) max. : 2.0 mm












