Specification Brand : Othmro BulletPoint1 : Product Name: Linear Ball Bearings BulletPoint2 : Model: LM8LUU; Material :chrome BulletPoint3 : Light-weight housing bearing ball, good abrasion resistance, high precision and good strength BulletPoint4 : Smooth moving, low friction, high rigidity and long working life BulletPoint5 : Pakage Content : 2 x Linear Ball Bearings ItemName : Othmro Extra Long Linear Ball Bearings Longer Linear Motion Ball Bearings LM8LUU 2pcs ItemPackageDimensions_Height : 13.208 centimeters ItemPackageDimensions_Length : 5.08 centimeters ItemPackageDimensions_Width : 8.382 centimeters ItemTypeKeyword : linear-ball-bearings Manufacturer : Othmro Material : Aluminum ModelNumber : OTH191102Z-0102 PartNumber : OTH191102Z-0103 ProductDescription : The Linear Ball Bearings consist of a light-weight, aluminum housing to provide high strength and stiffness. compact design with High load carrying capacity, Linear Motion Bearing Unit is a rolling friction supporting element that usually used for linear motion mechanical parts with small friction. Coordinate with Linear Motion Shaft, recirculating balls provide unlimited stroke at low friction movement