Specification Brand : Fdit BulletPoint1 : DOUBLE SHIELDED: They are double shielded to avoid entering and save lubricant. BulletPoint2 : MORE CHOICES: Bearings have a 8mm inner diameter, a 22mm outer diameter, a 7mm thickness and a 25mm flange. BulletPoint3 : OBJECTS USED: These are great for 8mm shaft/rod projects such as mechanical equipment, electrical instruments, toys, doors and windows. BulletPoint4 : 10PCS: There comes total 10 pieces miniature bearings which you may use for many different projects. BulletPoint5 : GREAT MATERIALS: These miniature bearings are made of high quality bearing steel for low noise and long service life. CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 719527814136 ExternallyAssignedProductIdentifier2 : 0719527814136 ExternallyAssignedProductIdentifier3 : 00704088092246 GpsrSafetyAttestation : 1 ItemDisplayWeight : 0.03 pounds ItemName : Fdit 10pcs F608ZZ Flanged Miniature Ball Bearings Double Shielded Steel Skateboarding Parts Bearing 8x22x7mm ItemPackageDimensions_Height : 10.4902 centimeters ItemPackageDimensions_Length : 3.6068 centimeters ItemPackageDimensions_Width : 4.3942 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : Fdit Material : Alloy Steel ModelNumber : Fditc2ogy0brt7 NumberOfItems : 100 PartNumber : Fditc2ogy0brt7 ProductDescription : Description: Miniature flanged ball bearings are available ball bearings of small size. Ball bearings of this size are ideal for precision work and applications that require a lot of functional mechanical parts, such as mechanical equipment, electrical instruments, toys, doors and windows.