Inner diameter:: 55 mm
Outer diameter: 120 mm
The size of the width: 29 mm
Weight:: 1.44 kg

Technical specifications

Designation : N311

Dimensions, mm : 55x120x29

Producer : ETERNO

Technical data from the manufacturers catalog :

Weight - 1.44 Kg

Dynamic load rating (C) - 111 kN

Static load rating (C0) - 111 kN

Grease lubrication speed - 5100 rev/min

Speed limit with oil lubrication - 6800 rev/min