Features High-Performance Motor-Grade Bearings: Utilizes small-sized motor-grade bearings, ensuring excellent performance and durability, enhancing the overall functionality of the product. Robust and Long-Lasting Construction: Crafted with POM material, the wheel's exterior is strong, , and has a prolonged service life, providing reliable performance for an extended period. Superior Heat and Fatigue Resistance: Exhibits exceptional workmanship, high heat resistance, bending strength, and fatigue resistance, ensuring reliable in demanding conditions, making it a versatile choice. Wide Temperature Range Suitability: Capable of prolonged use in temperatures ranging from -40℃ to 100℃, offering practical functionality across various environmental conditions. Enhanced Wear Resistance and Self-Lubricating Properties: Superior wear resistance and self-lubricating properties surpassing most engineering plastics, ensuring long-term reliability and reduced maintenance requirements. Features: 1、Motor？grade bearings are used, the volume is small but with good performance. 2、The outside of the wheel is made of POM material, strong and , has a long service life. 3、Great workmanship, high heat resistance, bending strength and fatigue resistance strength. 4、Can be used for a long time in the temperature range of -40℃-100℃, which is very practical. 5、The wear resistance and self-lubricating properties of wheels are superior to most engineering plastics. Specification: Item Type: Idler Large Wheel Large Wheel Bearing: 625 Inner Hole Diameter: Approx. 5mm / 0.2in Package List: 10 x Idler Large Wheel Package List 10 x Idler Large Wheel