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These liner-motion bearings are made of high quality bearing steel for low noise and long service life. They are double sealed to avoid entering and save lubricant. Bearings have a 12mm inner diameter, a 20mm outer diameter, and a 30mm height. These are great for small hobby 12mm shaft/rod projects such as 3D printer, engraving machine.
There comes total 10 pieces bearings which you may use for many different projects.
Specifications:
Type: LM12UU
Material: Bearing steel
Inner Diameter: 12mm / 0.47"
Outer Diameter: 20mm / 0.78"
Height: 30mm / 1.18"
Quantity: 10pcs
Package Includes:
10 x Bearings
Anonymous
Reviewed in the United States on February 27, 2024
Unsatisfactory fit. Essentially useless.
lucas Pereira
Reviewed in the United States on July 30, 2022
These bearings bind soooo bad. I tested all of them in the package and there wasnt one bearing good enough to use. They chatter, skip and have later clocking that drives them to rotate causing even further binding. I highly highly dont recommend buying these bearings. They will not work.
Darren Gerbrandt
Reviewed in Canada on March 27, 2021
They work, little noisy when sliding but that could just be me expecting them to be quieter. Used 2 of them to make a slider for an old phone to take pictures of objects to model them up in a 3D program, works great. Will be using the others to make a slider for my skillsaw for cutting large sheets of plywood.
Aaron Cogburn
Reviewed in the United States on January 8, 2021
They aren't smooth at all.... Even with new rods. Extremely bumpy. But for the price I guess it's expected.
CB
Reviewed in Canada on April 30, 2021
Not the best quality, a couple had the ball bearings falling out of them.
Christopher M.
Reviewed in the United States on August 10, 2020
Decent product that runs smooth on rods. Lost 1 star because they are advertised with an outer diameter of 20mm when they are in fact 21mm. This required me to increase the size of openings on my project, which was a lot of manual work.
Tad McDole
Reviewed in the United States on August 8, 2019
Worked great!
ROBERT L. QUEBERG
Reviewed in the United States on November 12, 2019
They have not been put into service at this point>
Ray C. Freeman III
Reviewed in the United States on April 24, 2019
These did the trick, and were bagged in pairs inside another bag!
Marwan Essayeh
Reviewed in the United States on March 4, 2018
The student are very happy
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