CNCMANS Linear Guide Rail 2Pcs SBR12 300mm Stainless Steel Linear Rail with 4Pcs SBR12UU Bearing Blocks, Linear Rail Guide Rail CNC Parts for Automated Machines (SBR12 11.81inch)

after a good look around Amazon I decided to go for this item and I must say that I am most impressed with the quality

I bought 1500mm rails with 4 runners for the purpose of building a medium duty router sled capable of handling timber slabs of up to 1200 mm width. The rails are very sturdy and although I haven’t tried it out yet, I’m confident that they can carry the required span without deflection. My only criticism is that the bearings (within the runners) are a little bit coarse so the ‘action’ is expected to be a little bit juddery. The process of router planing using a sled is a little bit crude so I don’t expect to achieve a perfectly smooth result directly from this part of the finishing process. All in all, great value for money and more than adequate for my purposes!

very good sliders, would purchase again and would recommend to you

I haven't actually got to incorporate these into my project yet but on initial close inspection everything seems to be fine. They arrive without grease on bearings but they will get greased when commissioned. I don't forsee any issues with these. Great price too.

Excellent service, very fast delivery - arrived the day after the order was placed. Well packaged, complete with 16 cap head screws for linear bearing blocks - in fact it took me longer to remove all the protective wrapping than it did to deliver it - a slight exagerration, but it was very well protected and packaged. This is a good quality precision product and great value for money - been searching for ages for something like this to complete my project. Recommended product and recommended seller. Many thanks.

Purchased July2023, but unboxed only last weekend, and found a minor manufacturing defect. Despite it being 8 months since purchase, the seller could not help enough. Thank you.Product is good quality, well made, and works well, highly recommend.

So, to begin with I was only sent one set of rails instead of two that I had ordered. Swiftly sorted with amazon and another set sent out. Upon going to install today the mounting bolts provided sit far too proud of the framing and one has sheared upon tightening (not over tightening, it was the third one I tried fitting.) Have contacted seller and will update review upon receiving a response.

Purchased two sets 7 out of 8 work fine. One has a broken / missing ball race. The gap can been seen on the left side. I am trying to contact the supplierr but no joy as yet