Inner diameter:: 49.212 mm
Outer diameter: 93.264 mm
The size of the width: 30.162 mm
Weight:: 0.877 kg

Technical specifications

Designation: 3781 / 3720

Producer: TIMKEN

Technical data from the manufacturers catalog :

Inner diameter(d): 49.212 mm

External diameter(D): 93.264 mm

Working width (T): 30.162 mm

Width (height) (B): 30.302 mm

Outer cage width (C): 23.812 mm

Internal chamfer radius (R): 3.5 mm

Outside chamfer radius (r): 3.3 mm

Cr (KN): 102

Cor (KN): 134

a: 22.1 мм

Width: 0.877 mm