Inner diameter:: 12 mm
Outer diameter: 4 mm
The size of the width: 20 mm
Weight:: 0.008 kg

Technical specifications

Designation : KR 12

Dimensions, mm : 12x4x20

Producer : ETERNO

Technical data from the manufacturers catalog :

Weight - 0.008 Kg

Dynamic load rating (C) - 725 kN

Static load rating (C0) - 1790 kN

Outside width (C) - 8mm

Grease lubrication speed - 25000 rev/min