10 PCS Miniature Model Rubber Sealed Metal Shield Metric Radial Ball Bearing V

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. Model:MR105ZZ Size(Inner x Outer x thick ): :5 x 10 x 4mm MR105ZZ Package Included: 10 x Bearings