10pcs Miniature Sealed Metal Ball Bearing Model: Mr85-zz 5x8x2.5mm

20 Pcs Ball Bearing Model:10 pcs MR115 ZZ 5X11X 4MM & 10 pcs MR85-ZZ 5X8X2.5mmmodel: MR115ZZ & MR85-ZZColour: silver;Material: metalSize: 5 x 11 x 4mm & 5 x 8x 2.5mm(Inner Diameter x Outer Diameter x Thickness)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.Package Included: 20 x BearingsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.