Products

3979/3920 inch series Tapered roller bearings detail Specifications:

Material : 52100 Chrome Steel

Inch series

Limiting speeds : 4500 rpm

Weight : 1.36 kg

Cone : 3979

Cup : 3920

Main Dimensions:

Bore diameter (d) : 57.15 mm

Outer diameter (D) : 112.712 mm

Width of inner ring (B) : 30.162 mm

Width of outer ring (C) : 30.048 mm

Total width (T) : 23.812 mm

Chamfer dimension of inner ring (r1 ) min. : 3.5 mm

Chamfer dimension of outer ring ( r2 ) min. : 3.3 mm

Dynamic load ratings (Cr) : 118.00 KN

Static load ratings (Cor) : 172.00 KN

ABUTMENT DIMENSIONS

Diameter of shaft abutment (da) max. : 72 mm

Diameter of shaft abutment (db) min. : 66 mm

Diameter of housing abutment (Da) max. : 99 mm

Diameter of housing abutment (Db) min. : 106 mm

Radius of shaft fillet (ra) max. : 3.5 mm

Radius of housing fillet(rb) max. : 3.3 mm