Features:
Bearings reduce friction by providing smooth metal balls or rollers and a smooth inner and outer metal surface for the balls to roll against.
These balls or rollers "bear" the load， allowing the device to spin smoothly.

Specifications:
MR85-ZZ
Size:  5x 8 x 2.5mm (Inner Diameter x Outer Diameter x Thickness)

Package Included:
10 x Bearings