Inner diameter:: 12 mm
Outer diameter: 21 mm
The size of the width: 7 mm
Weight:: 0.008 kg

Technical specifications

Designation : 3801 ZZ

Dimensions, mm : 12x21x7

Producer : ETERNO

Technical data from the manufacturers catalog :

Weight - 0.008 Kg

Dynamic load rating (C) - 2190 kN

Static load rating (C0) - 1550 kN

Grease lubrication speed - 20000 rev/min

Speed limit with oil lubrication - 26000 rev/min