Specification Brand : uxcell BulletPoint1 : Product Name: Deep Groove Ball Bearing; Material: Bearing Steel, Rubber BulletPoint2 : Package Content: 4 x Deep Groove Ball Bearing; Outside Diameter: 40mm/ 1.57" BulletPoint3 : Inside Diameter: 17mm/ 0.67"; Thickness: 12mm/ 0.47" BulletPoint4 : Model: 6203RS; Dimension: 40 x 17 x 12mm/ 1.57" x 0.67" x 0.47"(OD.*Inner Dia.*T) BulletPoint5 : Shell Color: Red, Silver Tone BulletPoint6 : 【Wide Application】Rolling Bearings Are Used In A Range Of Applications From Agricultural Machinery To Conveying Equipment, Robotics,Dental Equipment, Elevators, Ship Rudder Shafts, Skateboards, Inline Skates, Scooters And , Among Others. Color : Silver Tone ExternallyAssignedProductIdentifier : 04894878379858 ExternallyAssignedProductIdentifier1 : 609876663670 ExternallyAssignedProductIdentifier2 : 0609876663670 ExternallyAssignedProductIdentifier3 : 00609876663670 IncludedComponents : Motorcycle Accessory Tool ItemDisplayWeight : 0.1 pounds ItemName : uxcell 4pcs 6203RS Scooter Motorcycle Sealed Deep Groove Ball Bearing 40 x 17 x 12mm ItemPackageDimensions_Height : 14.2 centimeters ItemPackageDimensions_Length : 3.7 centimeters ItemPackageDimensions_Width : 9.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : uxcell Material : Material,Rubber,Steel ModelNumber : a17071000ux0846 NumberOfItems : 4 PackageLevel : unit PartNumber : a17071000ux0846 ProductDescription : These good precision 6800z bearings provide high speed and the convenience of removal shields for cleaning and relubrication. This is the perfect bearing for all your roller and skateboard applications.