Inner diameter:: 42.862 mm
Outer diameter: 83.058 mm
The size of the width: 23.812 mm
Weight:: 0.58 kg

Technical specifications

Designation: 25578 / 25521

Producer: TIMKEN

Technical data from the manufacturers catalog :

Inner diameter(d): 42.862 mm

External diameter(D): 83.058 mm

Working width (T): 23.812 mm

Width (height) (B): 25.4 mm

Outer cage width (C): 19.05 mm

Internal chamfer radius (R): 2.3 mm

Outside chamfer radius (r): 3.3 mm

Cr (KN): 76

Cor (KN): 98

a: 17.6 мм

Width: 0.58 mm