Creality 3D Printer POM Wheel Plastic Pulley Linear Bearing for Ender 3/Ender 3 ProEnder 3 V2,CR-7,CR-8,CR-10,CR10S,S4,S5 (Pack of 10)

Perfect replacement

I hate to say it but Ive finally found an official product from creality that isnt top quality. When I installed these to replace my worn ones (hadnt used that certain printer for along time and 2 of them got flat sides) and when i installed my first two, then four, then six, they all seemed to be not completely round. They seemed to cause wobbles/binding but luckily number 7 and 8 worked well and its been good ever since. I might recommend the clear ones better but not sure yet. Bought those and will update this is they are a much higher quality than these.

These were garbage. Poor quality control. Only 3 out of the 10 were usable. The others were out of round. I knew better but tried them anyway and sure enough my print bed had a wavey motion and was impossible to level.

These wheels worked like new, would recommend these to others.

Used on a robot arm. Works well

ok for replacement but not an upgrade thats for sure

They are not even across the diameter. Leads to the bed wobbling

Item does as explained in the description..

Some of these may be OK, but after swapping the old wheels on my CR10 bed with these, I noticed a distinct catch in when moving the bed by hand (without the belt connected), and it repeats about every 70mm which is the approximate circumference of these 24mm wheels (where they contact the rails is less than 24mm). I winnowed the batch down to the best and the problem is reduced but it is still present. I have read that can be due to several factors, so I will update this review once I am sure of what the problem is.

I replaced the wheels on my X gantry when I upgraded my hot end, direct drive mount, and ducting. It took me days of failed prints to figure out that the wheels were a tiny bit out of true, which was hard to detect. The first layers on my prints were wonky, like a loose gantry, and I had an odd spiraling Z- axis deviation. Im mad that something as simple as bad, brand new wheels caused so much frustration. Seems like it is very hard to get quality parts these days.