Inner diameter:: 39.688 mm
Outer diameter: 76.2 mm
The size of the width: 23.812 mm
Weight:: 0.477 kg

Technical specifications

Designation: 2789 / 2720

Producer: TIMKEN

Technical data from the manufacturers catalog :

Inner diameter(d): 39.688 mm

External diameter(D): 76.2 mm

Working width (T): 23.812 mm

Width (height) (B): 25.645 mm

Outer cage width (C): 19.05 mm

Internal chamfer radius (R): 3.5 mm

Outside chamfer radius (r): 3.3 mm

Cr (KN): 73

Cor (KN): 90.5

a: 15.6 мм

Width: 0.477 mm