Pulley, 4pcs 0840UU U-shaped roller guide pulley, U-type, 8x40x20.7mm groove

General Description This U-groove pulley, model 0840UU, is made from high-quality materials, offering durability and robustness. It is designed for smooth operation thanks to its internal lubricating grease, which ensures quiet operation. With a U-groove design, its smooth surface reduces friction, making it ideal for use in various projects, including doors and windows for tracking and driving mechanical equipment. Each set contains 4 pulleys, perfect for numerous applications. Technical Specifications • Model: 0840UU • Type: U-groove • Material: Metal, Plastic • Color: Black • Inner Diameter: 8 mm • Dimensions: 8 x 40 x 20.7 mm