Inner diameter:: 28.575 mm
Outer diameter: 57.150 mm
The size of the width: 19.845 mm
Weight:: 0.17 kg

Technical specifications

Designation: 1988 / 1922

Producer: TIMKEN

Technical data from the manufacturers catalog :

Inner diameter(d): 28.575 mm

External diameter(D): 57.150 mm

Working width (T): 19.845 mm

Width (height) (B): 19.355 mm

Outer cage width (C): 15.875 mm

Internal chamfer radius (R): 3.5 mm

Outside chamfer radius (r): 1.5 mm

Cr (KN): 44.8

Cor (KN): 50.2

a: 25.6 мм

Width: 0.17 mm