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745A/742 inch series Tapered roller bearings detail Specifications:

Material : 52100 Chrome Steel

Inch series

Limiting speeds : 3200 rpm

Weight : 3.89 kg

Cone : 745A

Cup : 742

Main Dimensions:

Bore diameter (d) : 69.85 mm

Outer diameter (D) : 150.089 mm

Width of inner ring (B) : 44.45 mm

Width of outer ring (C) : 46.672 mm

Total width (T) : 36.512 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) : 252.00 KN

Static load ratings (Cor) : 345.00 KN

ABUTMENT DIMENSIONS

Diameter of shaft abutment (da) max. : 88 mm

Diameter of shaft abutment (db) min. : 82 mm

Diameter of housing abutment (Da) max. : 134 mm

Diameter of housing abutment (Db) min. : 142 mm

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

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