The 90mm bearing pulley wheel is for fitness equipment, garage door pulley system, sliding door pulley, cable machine and spare parts. Weight pulley outer diameter: 110mm; Inner hole diameter: 10mm. Thickness: 25mm. Groove depth: 10mm; Groove width: 10 mm. Suitable for ropes with a diameter of up to 7 mm. The inside of the cable pulley is made of strong steel, the other is made of durable nylon which allows the wheel to load maximum 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 is gradually replacing 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 110mm Wheel Features: Lightweight, easy to install Wear resistant, have long service No frictional sparks, good safety performance Load capacity up to 500kg Application: packaging equipment physical, gym pulley, weight lifting pulley, garage door pulley system, sliding door pulley, cable pulley and spare parts. Package including: 4Pcs 90mm Nylon Pulley