Usage Tips:High-quality and durable materialsThe bearing surface of the transmission unit is made of galvanized iron, which is scratch-resistant, corrosion-resistant, rust-resistant, stable, not easy to be damaged, and has a long service life. life. Achievable maximum capacityOur products have good load-bearing capacity, the maximum load-bearing capacity is 20 kg. The roller has a 1.6cm hardened steel ball, which can be rotated on a 0.3cm internal bearing for smooth motion. 360 Silent RollingThe roller unit ball bearing transmission is polished during the production process, and the surface is smooth. The universal 360-degree transmission bearing is flexible, fast and stable, and has low noise during transportation. Equipped with screws, easy to installOur products are equipped with 16 screws for easy installation. easy. The drive bearing has two screw holes. Just use screws to fix the nylon ball conveyor to the items to be transported. Used in different occasionsNot only used in homes, such as sofas, showcases, carts , shelves, scooters, cabinets and kitchen equipment, but also used in system transmission, power systems, processing systems, packaging and other departments. Two Hole Nylon BearingsSuitable for transmission system, power system, processing system, processing machinery. Premium material.< /p > The ball transfer roller is made of carbon steel, which is sturdy and durable, has good wear resistance, and is not easy to wear. < p > 360 swivel casters. Our products use 360 degree swivel casters, high-speed and stable operation, used to rotate and change the direction of the conveyor belt. Good load-bearing capacity. The casters with bearings installed in the conveyor have a large load-bearing capacity, each bearing 292.1 kg (about 20 kg), which can reduce the intensity of the work and worker fatigue. Low noise. The surface of the ball bearing transfer wheel is smooth, so it will not make much noise during transportation. There are two screw mounting holes (16 screws are included in the package), which is easy to install. Widely Uses: Widely used in the installation of conveyor belt pipelines, household appliances, transmission systems, processing systems, wooden boxes, variable speed furniture, workbenches, etc. Specifications: Material: plate galvanized iron + nylon. Color: see photo. 4 x 16 mm screws. Weight: 250 g. Contents : 6 two-hole nylon bearings. Note: Due to hand measurement, sizes shown may vary from 0-2, 5cm