Description Specifications: Material: Iron + bearing steel Color: Ti Color Brand: CNBTR Load: 512KG Inner diameter: 12MM Outer diameter: 50MM Thickness: 13MM Groove width: 10MM Groove Depth: 7.5MM Radian: R=3mm Size: 50x13mm / 1.97x0.51inch (ODxT) Weight: 99g Specifications: 1.Outer diameter is 50mm, inner diameter is 12mm, groove width: 10MM, groove depth: 7.5MM, load-bearing is 512kg. 2. mainly made of iron, the central bearing is made of rolling steel. 3.Application: steel wire rope wheel, transmission equipment, industrial pulley. 4.Note: In-line bearings cannot be removed. Package Contents: 1 x Cable Pulley The unique MPN label on each inner package, which confirms that it has passed quality inspection and is an original item being sold in our store. Please offer it to us when you need help Sold by the store