3-1040 Adjustable sliding door carriage

17mm Wide Rectangular A Washer with Acetal Roller and Bearing This 17mm rectangular A washer features a durable acetal roller equipped with a smooth-running bearing. Designed for reliable performance in door and window hardware applications, it provides smooth movement and long-lasting durability. The acetal construction resists wear and corrosion, making it ideal for both residential and commercial installations. Perfect for replacement or upgrade projects where smooth operation and dependable support are essential.