Specification Brand : Hapivida BulletPoint1 : Product Material: These miniature bearings are made of bearing steel material for durability and long service life. BulletPoint2 : Product Size: There comes total 10 pieces M4 miniature bearings which you may use for many different projects. Threaded rod inner diameter: 4mm; Threaded rod length: 15mm; Bearing inner diameter: 4mm; Bearing outer diameter: 14mm. BulletPoint3 : High Performance: Features smooth to operate, small error, low noise, high speed, stable performance, long life and high reliability. BulletPoint4 : Wide Application: Widely used in electrical machinery, power tools, sports equipment, packaging machinery, printing machinery, engraving machines, automation equipment, CNC equipment, and so on. BulletPoint5 : Good Service: Please confirm before you place an order. If you have any questions, we will do everything possible to solve your problems efficiently. Color : One Color ExternallyAssignedProductIdentifier : 8435677210148 IncludedComponents : No ItemName : 10 Pcs Rod End Bearing, M4 Female Right Left Threaded Rod End Joint Bearing Ball Bearing Connecting Rods ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : rod-end-bearings Manufacturer : Hapivida Material : Metal ModelNumber : Hapividas9aoekftgb NumberOfItems : 1 PartNumber : Hapividas9aoekftgb ProductDescription : Specification: Item Type: Linear Motion Bearing Material: Threaded Rod End Joint Bearing Quantity: 10pcs M4: Threaded rod inner diameter: 4mm Threaded rod length: 15mm Bearing inner diameter: 4mm Bearing outer diameter: 14mm