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621/612 inch series Tapered roller bearings detail Specifications:

Material : 52100 Chrome Steel

Inch series

Limiting speeds : 4600 rpm

Weight : 2.21 kg

Cone : 621

Cup : 612

Main Dimensions:

Bore diameter (d) : 53.975 mm

Outer diameter (D) : 120.65 mm

Width of inner ring (B) : 41.275 mm

Width of outer ring (C) : 41.275 mm

Total width (T) : 31.75 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) : 163.00 KN

Static load ratings (Cor) : 198.00 KN

ABUTMENT DIMENSIONS

Diameter of shaft abutment (da) max. : 70 mm

Diameter of shaft abutment (db) min. : 63 mm

Diameter of housing abutment (Da) max. : 105 mm

Diameter of housing abutment (Db) min. : 110 mm

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

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