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:
MR95-ZZ
Size: 5x 9 x 3mm（Inner Diameter x Outer Diameter x Thickness）

Package Included:
10 x Bearings