10Pcs Lot 624ZZ Deep Groove Ball Bearings Miniature Rubber Sealed Metal

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. Specification: Type: Deep Groove Ball Bearing Lubrication: Grease Material: Bearing Steel Closures: 2 Metal Shield 624z Size: 4 * 12 * 5mm Inner Diameter: 4mm Outer Diameter: 12mm Width: 5mm Package Included: 10 x Ball Bearings 624ZZ .