The 90mm universal bearing pulley wheel is suitable for fitness equipment, garage door pulley system, sliding door pulley, cable machine and other spare parts. Outer diameter of the pulley: 110mm; Inner hole diameter: 10mm. Thickness: 25mm. Groove depth: 10mm; Groove width: 10mm. Suitable for ropes with a diameter up to 7mm. The inside of the cable pulley is made of solid steel, the other is made of durable nylon, which allows the universal wheel to load up to 500kg. The 90mm Nylon Pulley is lightweight, wear-resistant and has a long service life. Silent pulley, no friction sparks, good safety performance and easy installation. Nylon Wheel gradually replaces the old metal pulley with its unique superiority, has been widely used in lifting equipment as tower crane accessories. Color: Black Material: Nylon + Steel Size: Outer Diameter: 110mm; Inner Diameter: 10mm Bearing Thickness: 25mm Groove Depth: 10mm; Groove Width: 10mm Features of 110mm Wheel: Lightweight, easy to install