Notes from our tech department:
This is a pair of 4x7x2.5mm Ball Bearings from Axial.



FEATURES

Steel construction
Used in Axial vehicles, may also be used in any application needing
this size of ball bearing



INCLUDES

Two 4x7x2.5mm Ball Bearings



SPECIFICATIONS

Inner Diameter: 4mm
Outer Diameter: 7mm
Thickness: 2.5mm