Specification Brand : Generic BulletPoint : Bearings BulletPoint1 : Material: Bearing Steel. BulletPoint2 : Two steel dust shields to prevent ingress of dirt and foreign matter, high temperature resistance. BulletPoint3 : Transportation time: 7-15 working days. BulletPoint4 : Size: Inner Dia(d)=3mm, Outer Dia(D)=9mm, Thickness(B)=5mm BulletPoint5 : Basic Dynamic Cr(N) :570N, Basic Static Cr(N):187N. Color : One Color ExternallyAssignedProductIdentifier : 9187867078463 ExternallyAssignedProductIdentifier1 : 0650728641896 ExternallyAssignedProductIdentifier2 : 650728641896 IncludedComponents : Bearings ItemName : Double Shielded Miniature Deep Groove Ball Bearing,Bearing Steel (Pack of 10) (603zz,3mm x 9mm x 5mm) ItemPackageDimensions_Height : 7.874 centimeters ItemPackageDimensions_Length : 0.0762 centimeters ItemPackageDimensions_Width : 7.62 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : Generic Material : Alloy Steel ModelNumber : WMVPSDJMM NumberOfItems : 10 PartNumber : 603zz ProductDescription : - Product Description:Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on. Bearing steel bearings are better in toughness than Carbon Steel bearings after quenching. These cost-effective bearings are widely used in areas with low requirements for Mohs hardness. Single-row, pre-lubricated, normal accuracy. - Features: simple configuration,high speed,less coefficient of friction,less vibration and noise. - Net Weight: 1 g/pc. - Material: Bearing Steel. - Shipping: We are international sellers, China post is our main carrier, generally to the major countries in America and Canada for about 7-20 days. If you have not received any goods for a long time or have any problems, please contact us.