Sturdy Construction: Made from quality nylon and metal, this rowing machine pulley is designed to withstand regular use, ensuring long-lasting performance for your fitness equipment. Specifications: With dimensions of 36x14.5mm and a bore diameter of 10mm, this pulley is crafted to fit seamlessly into various rowing machines and other fitness equipment. Smooth Operation: Equipped with a 6200Z bearing, the pulley ensures smooth and efficient movement, enhancing the overall functionality of your exercise machine. Versatile Compatibility: Specifically designed for use in rowing machines but also suitable for other types of fitness equipment that require reliable pulleys. Comprehensive Package: Each purchase includes one pulley, providing you with everything needed for maintenance or replacement in your gym setup. Material: Nylon and Metal Size: 3.6cm x 1.45cm (1.42in x 0.57in) Package Includes: 1 x Rowing Machine Bearing Wheel Note: Please allow slight measurement deviations of 1-2cm (0.39-0.79in) due to manual measurement.