DescriptionSelf-lubricating, accurate, easy and quick to install. These are the advantages of solid plastic bearings. Cost-effective bearings provide a self-lubricating alternative to traditional ball bearings in 3D printers. Suitable for sliding use of small CNC machine tools (not suitable for carrying heavy objects).Features- Material:Plastic. - Size:1.90X1.20X1.20cm/ 0.75X0.47X0.47in. - It is made of strong and excellent plastic material, which is safe, durable and has good texture. - The bearing design is simple, but it is very practical to use, giving you a good experience. - Smooth surface and nice polish, neat and generous, so don't worry about hurting your hands. - Self-lubricating, accurate, easy and fast installation. These are the obvious and brief advantages of the new solid plastic bearing. - Cost-effective bearings provide a self-lubricating alternative to traditional ball bearings in 3D printers.