Specification Brand : Hilitand BulletPoint : Bearings BulletPoint1 : high-grade: These u track roller bearings are made from high-grade carbon steel, very long-lasting and has a long service life. BulletPoint2 : WIDELY APPLICATION: These are bearings that are used in many linear motion systems. BulletPoint3 : 10pcs: There are 10 pieces bearings which you may use for many different projects. BulletPoint4 : DOUBLE SHIELDED DESIGN: They are double shielded to avoid contaminants entering and save lubricant, well protected. BulletPoint5 : V : Bearings have 1.5mm deep V that generally ride on a rail or track, has a good performance. Color : One Color ExternallyAssignedProductIdentifier : 6440891423511 ExternallyAssignedProductIdentifier1 : 0741870134104 ExternallyAssignedProductIdentifier2 : 741870134104 ItemDisplayWeight : 1 kilograms ItemName : 10pcs V624ZZ V Ball Bearing Carbon Steel Pulley for Rail Track Linear Systems 4x13x6mm ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : Hilitand Material : Metal ModelNumber : 6000-2RSH NumberOfItems : 1 PartNumber : Hilitandzp4w8cr3ta ProductDescription : Features: These bearings are made from high quality carbon steel for durability and long service life. They are double shielded to avoid contaminants entering and save lubricant. Bearings have 1.5mm deep V that generally ride on a rail or track.These are bearings that are used in many linear motion systems. There comes total 10 pieces bearings which you may use for many different projects. Specifications: Material: Carbon steel Model: V624ZZ Inner Diameter: 4mm / 0.15" Outer Diameter: 13mm / 0.51" Thickness: 6mm / 0.23" V Width: 5mm / 0.19" V Depth: 1.5mm / 0.06" Quantity: 10pcs Package Includes: 10 x Bearings