<br> 10pcs MR128ZZ / MR148ZZ I.D 8mm Ball bearings, double shielded miniature ball bearing.<br> <br> Specification:<br> Bearing material: Chrome Steel(Gcr15).<br> Scroll columns number: Single column.<br> Raceway type: Deep groove raceway.<br> Seal cap: Double sealed.<br> Roll body: Steel ball.<br> Precision grade: P0.<br> Color: Silver Tone.<br> Seals type: Double iron cover.<br> Size: 12MM; 14MM (Bore x Diameter x Width).<br> 12MM: 8mm x 12mm x 3.5mm.<br> 14MM: 8mm x 14mm x 4mm.<br> <br> Features:<br> 1. Bearing made from Chrome Steel(Gcr15) for durability and resistance.<br> 2. Mainly take the radial load as well as moderate axial load.<br> 3. Bearing are fitted with two steel dust shields to prevent ingress of dirt and foreign matter, high temperature resistance.<br> 4. Simple configuration, high speed, hight precision, less coefficient of friction, less vibration and noise.<br> 5. These bearings are pre-lubricated with grease.<br> 6. Easy to install and replace.<br> 7. Less friction and higher speed.<br> 8. Durable and Insulation.<br> 9. Widely used in all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on.<br> <br> Package Included:<br> 10 x Ball Bearings