NA4876 Needle roller bearings with machined rings, with an inner ring
NA4876 Needle roller bearings with machined rings, with an inner ring detail Specifications:
Material : 52100 Chrome Steel
Type : single row
Limiting Speed : 1000 rpm
Weight : 42.6 kg
Main Dimensions:
Bore Diameter (d) : 380 mm
Raceway diameter inner ring (F) : 415 mm
Outer diameter (D) : 480 mm
Width (B) : 100 mm
Chamfer dimension outer ring (r) min. : 2.1 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other (S) : 2.0 mm
Dynamic load ratings (Cr) : 1130 KN
Static load ratings (Cor) : 2900 KN
ABUTMENT DIMENSIONS
Smallest permissible abutment diameter shaft, bearings with flanges (da) min. : 391 mm
Abutment diameter housing (with flanges) (Da) max. : 469 mm
Fillet radius (ra) max. : 2.0 mm












