Specification Brand : besttruck BulletPoint1 : Size - R8-2RS bearing size 1/2" x 1-1/8"x 5/16"(12.7mm x 28.58mmx7.94mm), it is an ABEC-3 accuracy grade with 100% dimensional tolerance checking for optimal assembly. BulletPoint2 : Function - Deep groove type, high speed, low noise, deep groove ball bearings mainly bear radial load, and can also bear radial load and axial load at the same time. BulletPoint3 : Material - Made of 100% high quality chrome steel with good corrosion resistance. It can improve its machinability, providing higher stability, control and reliability than standard bearings. BulletPoint4 : Advantages - The double rubber sealing shields on both sides of the bearing can prevent dust, liquid foreign objects, and have a good mute effect. It is suitable for relatively harsh environments. Pre-greased during manufacture. BulletPoint5 : Satisfaction Guarantee - Besttruck values customer shopping experience and provides customers with a good shopping environment. If you are not satisfied with the product, you can choose to return it, we support a 30-day full refund and a one-year warranty. ExternallyAssignedProductIdentifier : 7780931791736 ItemName : 10 Packs R8-2RS Ball Bearings, 1/2 x 1-1/8 x 5/16 Double Rubber Sealed Roller Ball ABEC3 Precision Small Ball Bearing ItemPackageDimensions_Height : 17.6022 centimeters ItemPackageDimensions_Length : 1.905 centimeters ItemPackageDimensions_Width : 12.2936 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : besttruck Material : Material,Rubber,Steel ModelNumber : LR82RS NumberOfItems : 10 PartNumber : LR82RS ProductDescription : R8-2RS bearing size 1/2" x 1-1/8"x 5/16"(12.7mm x 28.58mmx7.94mm). Made of 100% high quality chrome steel with good corrosion resistance. It can improve its machinability, providing higher stability, control and reliability than standard bearings. ProductSiteLaunchDate : 2022-07-01T06:12:23.818Z Size : 1/8" SpecificationMet : ABEC 3 SupplierDeclaredDgHzRegulation : not_applicable