Inner diameter:: 46.038 mm
Outer diameter: 79.375 mm
The size of the width: 17.462 mm
Weight:: 0.329 kg

Technical specifications

Designation: 18690 / 18620

Producer: TIMKEN

Technical data from the manufacturers catalog :

Inner diameter(d): 46.038 mm

External diameter(D): 79.375 mm

Working width (T): 17.462 mm

Width (height) (B): 17.462 mm

Outer cage width (C): 13.495 mm

Internal chamfer radius (R): 2.8 mm

Outside chamfer radius (r): 1.5 mm

Cr (KN): 45.5

Cor (KN): 56

a: 16 мм

Width: 0.329 mm