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Suits X, Y, Z axis
Steel material and hardened case
Pre-drilled holes on the support rail mounts
High accuracy and strong durability
Specifications
Diameter: 12mm
Rail Shafts: 2 X SBR12-300mm
Package
2 X SBR12-300mm Fully Supported Linear Rail Shafts
4 X SBR12UU Bearing Blocks
S. Perkins
Reviewed in the United States on August 13, 2022
I think it will work for what I need it for. Seems to be good quality maybe not 100% but will work for me. They did send the wrong bearing blocks so I sent them a message and they corrected that very fast. Will definitely buy from again.
L Littlehawk
Reviewed in the United States on November 7, 2022
I hardly ever write reviews- so this is important to me. First the seller was extremely responsive when they bearings did not arrive the the rails. They sent them out right away!Finally, I set these up and neither of the rails are straight. There is a slight bow in both. I mounted them on perfectly flat track. One is off by a hair (except able for what I am doing). But the other is lower in the middle by an 3/32 inch! I don't get it. I measure and check the mountings over and over- FLAT. Then I looked to shim the middle and the gap disappears... but it should be higher at that point, right?I even switched the sides of the rail to confirm is was not the platform itself. I spend a couple hours disassembling and reassembling EVERYTHING trying to trouble shoot. And this is my conclusion.
Prime
Reviewed in the United States on May 13, 2021
If bearings have play tighten the top and side set screws accordingly and it will tighten bearing on rail.
Josh
Reviewed in the United States on February 3, 2021
It works for my needs but honestly i was expecting more precision. The mounting holes on the ends are off by a few mm i dont recall the exact measurements off the top of my head but for example: left side holes where 10mm from the end will the right side is 12mm from the end. Its a pretty negligible difference but it might be important for some one. Also it appears that the blocks that come with each rail are supposed to stay with that rail so dont mix them all up in a pile like i did, i spent an hour trying to find which one goes to each rail. Also some other reviews metioned it but ill say it here to, youll need M5 screws/bolts as for length that just depends on the thickness of material your using. I used m5x25mm for the wood portions on mine and m5x20mm when mounting the rails and blocks.
chettrick
Reviewed in the United States on November 18, 2021
I needed slightly different lengths. But they were back ordered so I got shorter ones and butted them together, passes over smoothly.
Chaney
Reviewed in the United States on October 15, 2021
These rails made rails great again. Very heavy, probably most likely the best.
Michael
Reviewed in the United States on September 30, 2020
Perfect for the gantry I was making
R. Canfield
Reviewed in the United States on January 22, 2020
I was surprised at the quality of the bearing for the price. My project has worked well with these units.
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