Customer Reviews for Linear Rail 2 X Sbr20-900mm Rails 4 X Blocks Automatic 2 Rails Slide Guide

serious heavy duty, quality materials, Arrived undamagedI see a new cnc in my future

Very strongGood quality

Very Pleased with my Order... Well packaged. All bearing blocks needed a very little adjustment and works great.

good value

Very smooth. Rail appears to be case hardened, not through hardened, but I could be wrong about this. Very little play on bearings. I cut to size and used to increase rigidity on a 3018 CNC.

Have ordered several of these. Most of them are great for what they are. Have had to retap a couple of the bolt holes, but for the cost they are great. Wish the mounting holes were in more consistent locations. Fine for wood mounting, but if planning on an aluminum frame it makes planning difficult.

The rails are alright, seem hard enough even though it doesn't have the hardness rating officially on the product information so only time will tell on the reliability. Theres a little bit of deflection when measured parallel to each other, less than .010 inches total deflection over 1500mm which is fine for what I plan on using it for. Not a cnc but a wall mounted hybrid circular saw panel board saw. Its more than accurate for woodworking and I doubt it will ever meet lateral forces, maybe some small debris. But that is all from your friendly neighborhood cracker and his simple cracker machine. Why would you put that at the end of your product description, what's wrong with you, lol. I don't know, I just gave a racist 5 stars because the price is good and the product is good but maybe try and hide the racism a little bit, c'mon.

Works great for what I used it for, made a slab plainer

Bought these to upgrade an ancient cable drive ShopBot for my guitar-making hobby. For this application they look like they will work great, far better than the screen door rollers and unistrut used on the bot originally, and better than my previous upgrade to v-groove bearings and steel angles. For sure good enough for my occasional woodworking needs. Like a previous reviewer, I received four bearings not listed in the description, so now I have spares! I don’t think I’d put these rails on something that I rely on for a living unless I bought spares, and they seem a little noisy but hey, when the router is running I won’t hear it anyway.

Received in good shape exactly as described.