Products

78250/78551 inch series Tapered roller bearings detail Specifications:

Material : 52100 Chrome Steel

Inch series

Limiting speeds : 3600 rpm

Weight : 2.43 kg

Cone : 78250

Cup : 78551

Main Dimensions:

Bore diameter (d) : 63.50 mm

Outer diameter (D) : 140.03 mm

Width of inner ring (B) : 36.512 mm

Width of outer ring (C) : 33.236 mm

Total width (T) : 23.52 mm

Chamfer dimension of inner ring (r1 ) min. : 2.3 mm

Chamfer dimension of outer ring ( r2 ) min. : 2.3 mm

Dynamic load ratings (Cr) : 145.00 KN

Static load ratings (Cor) : 172.00 KN

ABUTMENT DIMENSIONS

Diameter of shaft abutment (da) max. : 85 mm

Diameter of shaft abutment (db) min. : 79 mm

Diameter of housing abutment (Da) max. : 117 mm

Diameter of housing abutment (Db) min. : 132 mm

Radius of shaft fillet (ra) max. : 2.3 mm

Radius of housing fillet(rb) max. : 2.3 mm