Inner diameter:: 20 mm
Outer diameter: 72 mm
The size of the width: 19 mm
Weight:: 0.4 kg

Technical specifications

Designation : 6404 ZZ

Dimensions, mm : 20x72x19

Producer : ETERNO

Technical data from the manufacturers catalog :

Weight - 0.4 Kg

Dynamic load rating (C) - 31000 kN

Static load rating (C0) - 15200 kN

Grease lubrication speed - 9500 rev/min

Speed limit with oil lubrication - 12000 rev/min