Inner diameter:: 20 mm
Outer diameter: 37 mm
The size of the width: 9 mm
Weight:: 0.038 kg

Technical specifications

Designation : 61904 ZZ

Dimensions, mm : 20x37x9

Producer : ETERNO

Technical data from the manufacturers catalog :

Weight - 0.038 Kg

Dynamic load rating (C) - 6370 kN

Static load rating (C0) - 3650 kN

Grease lubrication speed - 19000 rev/min

Speed limit with oil lubrication - 23000 rev/min