Inner diameter:: 57.150 mm
Outer diameter: 100.000 mm
The size of the width: 21.000 mm
Weight:: 0.660 kg

Technical specifications

Designation: 387 / 383A

Producer: TIMKEN

Technical data from the manufacturers catalog :

Inner diameter(d): 57.150 mm

External diameter(D): 100.000 mm

Working width (T): 21.000 mm

Width (height) (B): 21.946 mm

Outer cage width (C): 17.826 mm

Internal chamfer radius (R): 2.3 mm

Outside chamfer radius (r): 2.0 mm

Cr (KN): 78.0

Cor (KN): 96.5

a: 17.9 мм

Width: 0.660 mm