LM8UU Linear Ball Bushing Bearing
LM8UU is a Precision Accuracy Grade Linear Bushing with a Built-In Synthetics Resin Retainer that is sealed on both sides with Rubber Seals. LM8UU features a chrome steel jacket and a resin retainer which reduces noise during operation and allows for smooth, precise linear motion. Our Linear Motion Bearings are pre-lubricated with Light Oil, ensuring they are ready for immediate use upon delivery.
Applications / Industries
LM8UU Linear bearings can be used in a variety of different applications including Lab Equipment, Packaging Equipment, CNC Machinery, Robotics, Mining, Agricultural Machinery, Automation Machinery, among others.
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I bought these for my Prusa I3 Mk3S+ and they've been working great. I had originally purchased some on Amazon for cheap but they were hit or miss. Half of them would work and half would have issues. Some were too tight or way too loose. One of them was so bad that balls just fell out of it. I haven't had any issues like that with these. You get what you pay for.