Our high speed waterproof pulley bearings are designed to provide exceptional performance and durability. These bearings are crafted with precision to ensure smooth and quiet operation, making them ideal for various applications. The robust construction ensures use, even in demanding environments. Features -Color:Assorted Color -Material:Steel -Size:1.00X1.00X0.40cm/0.39X0.39X0.16in -High speed operation: designed for high speed performance, ensuring smooth and quiet operation, for environments where noise reduction is crucial -Precision engineering: ideal for various precision machinery and equipment, providing reliable support and enhancing overall performance -Durable construction: made from steel, ensuring long term stability and durability, suitable for prolonged use in demanding applications -Reduced friction: minimizes friction and wear, extending the lifespan of the bearing for high load operations -Easy installation: simple and quick to install, making it ideal for replacing and repairing various pulley systems, enhancing work efficiency Package list: 10pcs pulley bearings