1Pc 608 ZZ 8*30*8.5mm POM Nylon Round Type Roller Wheel POM Wrapped 608ZZ Bearing Pulley Plastic Wheel

Material: PA66 Bearing material: bearing steel Weight: About 16g Specifications: Inner hole=8mm, outer diameter=30mm, thickness=8.5mm Color: White Package included: 1pcs Bearing pulley Product features: 1. These bearing wheel rollers are made of POM and nylon materials, providing excellent life resistance and wear resistance. POM is a kind of engineering plastic with high strength, high stiffness and good sliding property, while nylon has good impact resistance and heat resistance. 2. Because these wheels are designed with pointed rolling bearings, they provide the lowest friction and maximum efficiency when sliding and moving objects. This can greatly save energy and effort. 3. These bearing wheel rollers are simple and intuitive to use, making them ideal for any equipment and machine that needs smooth movement. They can be easily fitted to the bottom of goods or objects to provide easy movement. 4. Due to their durability and sliding properties, these wheels are ideal for a variety of applications such as warehouse logistics, industrial equipment, furniture, power tools, etc. They can work reliably in a variety of environmental conditions. Notes: 1.Please allow 1-2cm differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, so I  can't guarantee photos and real color is the same.