20pcs/slot Plastic Wheel Pulleys 625zz 3d Printer Parts Round Idler Gear Part V 3d Printer Accessor

Made of high-quality steel, these bearings are durable and have a long service life.They are double shielded to prevent contaminants from entering and saving lubricant.Usually installed on rails or tracks.These are dedicated bearings for many linear motion .A of 20 bearings that you can use for many different projects.Color: blackMaterial: plastic, steelDiameter: 24mmPackage Contents:20 x Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +\/- 1-3cm.