1Pcs 8*40*20.5Mm Nylon Roller Bearings 0840Uu 8Mm Groove Guide Pulley Sealed Rail Groove Ball Bearing Wheel

100 Brand New and High Quality ! Material: nylon Color: As Pictures Bearing type: 608 Size:in diameter = 8mm, outside diameter 40mm, thickness 20.5mm Bearing material: high quality metal Package Included:1pcs Notice: Please understand that color deviation may vary due to different monitor settings. Due to manual measurement, there will be some errors, which are normal. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.