10pcs/lot V623ZZ 623VV V groove deep groove ball bearing 3x12x4mm Traces walking guide rail bearings


Size:

Inner diameter:3mm

Outer diameter:12mm

Thickness 4mm

Precise: P6/ABEC3  
Groove width: 2.8mm  
Groove depth: 1.4mm  

V groove: 90 degree

Weight is about 4g