[26pcs/Pack] 3D Printer Wheel,Black POM Polycarbonate Roller 625zz, wear-Resistant/Silent for Creality CR10, Ender 3, Anet A8, Artillery X1 Upgrade Accessories

Every product passed QC before shipment. But if you have problem, we provide return/exchange in 90 days, pls contact us.

• The pulleys are produced by high-precision automatic lathe machining, with machining error within 0.005mm. Outer Diameter: 24mm, Inner. diameter: 5mm, Height: 10.23mm
• The importance of POM Pulley is whether the POM ring is durable or not. Some Pulley will be worn obviously after several hours' use. Our POM has passed our wear resistance test, perfect For 3D Printers: CR-10, CR-10S, Tevo Tarantula, CNC router hybrid, 8020 3030 and so on.
• This pulley bearing adopts motor-grade bearing, which is rust-proof, wear-resistant and friction-resistant, and runs smoothly and without noise.
• Notification：Please be aware there's a movable copper ring between bearings. It's normal if the ring moves, otherwise bearing can't rorate. It's not quality issue.Besides, if you use it frequently, we still suggest you to use 625zz POM Pulley from us. POM material is more durable.
• Switch your 3D printer wheels after 6-9 months use will extend your 3D printer life.