Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Mainly made of iron, the middile bearing is made of bearing steel.4.Application: steel wire rope wheel, transmission equipment, industrial pulley.5.Outer diameter is 90mm, inner diameter is 10mm, load bearing is 285kg.Note: In-line bearings can't be removed.Specifications:Material: Iron and Bearing SteelColor: BlackBrand name: BQLZRBearing: 285KGSize: 9 x 1 x 1.1cm or 3.54 x 0.39 x 0.43 inch(OD x ID x H)Groove Width: 6mmGroove Depth: 5mmWeight: 158gPackage include:1 x Cable Pulley Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.