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28985/28921 inch series Tapered roller bearings

Short Description:

Tapered Roller Bearings generally come in two parts – the cone (consisting of the inner ring and roller cage assembly) and the cup (outer ring). The Part Number for these bearings is comprised of the “Cone Reference / Cup Reference”. These two parts can be mounted separately.

Tapered Roller Bearings are particularly suited to the accommodation of combined radial and axial loads.


Product Detail

Product Tags

28985/28921 inch series Tapered roller bearings detail Specifications:

Material : 52100 Chrome Steel

Construction : Single row

Inch series

Limiting speeds : 4800 rpm

Weight : 0.77 kg

Cone : 28985

Cup : 28921

 

Main Dimensions:

Bore diameter (d) 60.325 mm

Outer diameter (D) : 100 mm

Width of inner ring (B) 25.4 mm

Width of outer ring (C) : 25.4 mm

Total width (T) : 19.845 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) 91.40 KN

Static load ratings (Cor) : 137.00 KN

 

ABUTMENT DIMENSIONS

Diameter of shaft abutment (da) max. : 73 mm

Diameter of shaft abutment (db) min. : 67 mm

Diameter of housing abutment (Da) max. : 89 mm

Diameter of housing abutment (Db) min. : 96 mm

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

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

inch series taper roller bearing

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