NIUNIU Transfer Bearing Casters, Roller Ball Transfer Bearing Casters Unit Mounted Flange Metal Steel Universal Conveyor Transferring Wheel for Power Systems Processing and Packaging Machinery Sturdy material: The transfer bearing wheel is made of galvanized carbon steel, which is durable and offers a long service life. Flexible changes: According to different load requirements, the distribution density of the universal ball can be set arbitrarily, making your work easier. Easy to install: The transfer bearing wheel has two mounting holes for screw mounting, allowing for easy installation on equipment. Wide application: Suitable for various industries such as mechanical hardware, chemical industry, food warehouse, store display, and transportation environments including airports. It is also an auxiliary component for processing systems, processing machinery, and packaging machinery. Color: Silver Size: 47x15mm Quantity: 5 pcs Note: 1. Due to different measuring methods, a 1–3 cm deviation may occur. Please confirm the size is acceptable before ordering. 2. Due to variations in monitors and lighting, the actual color of the item may differ slightly from the image. Thank you for your understanding. 3. Package includes only the items listed above; other products are not included.