Top 10 Best Linear Rails That You Will Never Regret Buying

Finding the linear rails review is somewhat daunting when you have plenty of choices to pick. Many of us are getting frustrated especially when we are first-time consumers of linear rails. Here we will discuss different types of choices with unique features of them and give you a broad outline to choose between the ideal one. To come up with a decision, make sure you will read between the lines of our buying guide too.

Which Are The Best Linear Rails From Our Choice

If you don’t have enough time, check out this shortlist of the best linear rails and choose the one you like the most.

10 Best Linear Rails People Love In 2022: In Depth Features

Bestseller No. 1
UniTak3D MGN12 Linear Guide Rail 350mm with MGN12H Bearing Steel Carriage Block for Ender 3 CoryXY DIY 3D Printer and CNC Machines
  • 【Anti-rust Coating Surface】: Linear Guide Rail adpots blackening treatment on surface to prevent rusting in long-term use.
  • 【Upgrade 3D Printer】: The 350mm MGN12 Linear Rail will upgrade your 3D printer,which can improve print quality and carrying capacity greatly.
  • 【Premium Material】:The linear bearing is made of heavy-duty bearing steel,which is more durability, high stiffness stiffness,high accuracy,smooth running, low noise than others.
  • 【Application】This linear motion rail widely use in Ender 3 series/CR10 series 3D printers, large-scale transmission equipments including industrial robots, cleaning equipment and supporting devices, etc.
  • 【Drop Proof Rubber】:There are 2 black rubber stoppers on the ends of the linear sliding guideway in case the carriage falls off the rail.
Bestseller No. 2
Linear Rail 2Pcs Linear Rail SBR12 1000mm 12MM CNC Linear Rail Slide Guide Shaft + 4Pcs SBR12UU Blocks US Stock
  • Set includes 2 pieces of linear rail 1000 mm/39.37" long rail shafts and 4 SBR12UU blocks. Sliding blocks to be used cooperatively with rails
  • Suits X, Y, Z axis
  • Perfect for your DIY CNC routers, mills, lathes, including industrial robots, cracker machines.
  • No more unwanted errors in your machining work!
  • It is widely used in linear motion system. Such as, punch, tool grinding machine, automatic cutting machine, printer, card sorting machine, food packing machine, other sliding parts on industrial machinery.
Bestseller No. 3
Iverntech MGN12 300mm Linear Rail Guide with MGN12H Stainless Steel Carriage Block for Ender 3, Corexy, Tronxy, Delta Kossel 3D Printers Upgrades and CNC Machine
  • Surface technology: Anti-oxidation by electroplating (nickel plating)
  • Rail guide material: bearing steel. Rail guide length: 300mm
  • Block: MGN12H ball bearing carriage. Block material: Stainless Steel. Blocks are pre-loaded
  • Suggested to use M3 T nut and screws if you fix it to 20 series EU Al-profile
  • There are two rubber stoppers on each side of the linear rail, it can prevent the carriage block from falling out
Bestseller No. 4
Linear Rails and Bearings Linear Rail 2 PCS SBR16-1000mm Linear Slide Rails and 4 PCS SBR16UU Carriage Bearing Blocks Linear Bearings and Rails for DIY CNC Routers Lathes Machine…
  • 【SBR16 LINEAR RAIL】- Two 1000 mm (39.37") long SBR16 rail shafts, and 4 SBR16UU blocks are included in the package. Smooth sliding blocks moving freely.
  • 【SMOOTH SLIDING SYSTEM】- With industrial-grade standard SBR block and a high precision linear bearing inside, the original rail set can be stabilized by rail axle bearing rail and aluminum alloy support.
  • 【CARBON STEEL MATERIAL】- Parts are made of carbon steel, with quality bearing steel linear bearings and aluminum alloy housing. Surface chrome plating treatment to be anti-rust, high hardness and more durable.
  • 【EFFORTLESS TO INSTALL】- 5 pre-drilled holes ensures easy mounting, no need for maintenance. Stainless steel Linear optical axis guide bearings linear movement. 4 pieces SBR16UU Bearing Blocks afforded.
  • 【WIDE USES】- Gross Weight: 12.7 lb (5.8 kg), lightweight design for easy to use. Suitable for DIY CNC routers, lathes, machine tools, bending machines, laser welding machines, etc.
Bestseller No. 5
Linear Motion Rods,2PCS 12mm x 200mm(0.472 x 7.87 inches) Case Hardened Chrome Linear Rail Shaft Guide for 3D Printer,DIY,CNC Metric G6 Tolerance
  • The linear motion rod is made of carbon steel substrate (GCr15),after high frequency hardening and centerless grinding
  • Widely applied in CNC, 3D printer, automatic machinery,injection molding machine, engraving machine,etc.especially in bearing purpose.
  • The surface has been chrome plated to enhance the hardness.Due to the hard surface, they can extend the service life of the equipment.
  • Beveled at both ends for easy installation and prevents your hands from being injured during installation.
  • Metric G6 tolerance, surface roughness ra0.3-ra0.5, hardness about HRC58-64, hardening depth:0.8-2.5MM straightness≤0.1/1000MM,chrome thickness:0.015MM-0.02MM, roundness: no more than 3μm.
Bestseller No. 7
ReliaBot 350mm MGN12 Linear Rail Guide with MGN12H Carriage Block for 3D Printer and CNC Machine
  • 350mm MGN12 linear rail guide with MGN12H block
  • There are 2 red rubber stoppers to keep the block on the rail
  • Threaded holes of the block: 4-M3*3.5; center distance of the holes: 20*20mm
  • There are 14 holes on the rail for fixing the rail to the machine with M3 nut and screw, and it is suggested to use T nut M3 if you fix it to 20 series EU Al-profile
  • Come with 2 spare balls in the package for backup
Bestseller No. 8
Linear Stage Actuator 100mm Ballscrew 1605 Double Optical Axis Linear Rail Guide Manual Slide Stage C7 with Ruler for CNC Router Z-axis
  • Quality ballscrew with accuracy up to ±0.03mm,also low noise when working;
  • linear motion actuator with mounting bracket and HD ruler,Laser engraving hand wheel with pointer 360 equal parts;
  • Linear rail Stork:100mm/4” 200mm/8” 300mm/12” 400mm/16” free for users to choose;
  • Standard aluminum alloy profile structure, sandblasted on the surface, beautiful and rustproof, precision hole position CNC processing;
  • Convenient and Easy in use, Smooth operation, high speed and low noise,can be directly fold cross slide.Fast Delivered 4-5 days after shipping.
SaleBestseller No. 9
CHUANGNENG 2Set SBR20 1500mm Fully Supported Linear Rail Shaft Rod with 4 SBR20UU Block Bearing,for Automated Machines DIY CNC Routers Lathes Mills
  • 【COMPLETE LINEAR RAIL KITS】- This linear rail set includes 2 pieces of 1500 mm long rail shafts and 4 SBR20UU blocks. Sliding blocks to be used cooperatively with rails, smooth sliding provided by the inside linear bearing.
  • 【HIGH-QUALITY STEEL MATERIAL】- CNC parts linear rails are made of carbon steel, linear Bearings made of quality bearing steel with aluminum alloy housing. Surface chrome plating treatment beautiful anti-rust, high hardness, more durable.
  • 【PREMIER LINEAR GUIDING SYSTEM】- Perfect combination of the main axle bearing rail and aluminum alloy support, which nicely stabilizes the original rail. Industrial-grade standard SBR block, with a high precision linear bearing inside.
  • 【EASY TO INSTALL】- Aluminum alloy support rail with pre-drilled holes for ease of mounting. Stainless steel Linear optical axis guide bearings linear movement. Easy to install, no need for maintenance.
  • 【WIDE APPLICATION】- The linear guide rail is widely used in the automation machinery such as DIY CNC routers, lathes, machine tools, bending machines, laser welding machines, etc. Also, applicable for large-scale transmission equipment, including industrial robots, cracker machines.
Bestseller No. 10
LML12B Linear Rail Mini Bearing Steel Guide Rail Slide Rail+ Slide Block Variety Length (100mm)
  • 【wide application】This linear rail and block are small and lightweight, suit for small equipment. Especially suit for automatic equipment, precision measuring equipment, and many other machines that need precision linear movement.
  • 【good strength and high accuracy.】This linear rail set adopted 4-point contact design, it can bear load from every direction, and has good strength and high accuracy.
  • 【ball retainer】This linear rail set designed with ball retainer, which allows interchangeability in the case of small precision.
  • 【block has lubrication system】Block has lubrication system; lubrication oil can be easily put into the oil inlet on the side, will work smoothly.
  • 【variety size and high quality 】This rail set is made of high quality bearing steel which is sturdy and has a long service life, 5 size for you to choose, can meet your different needs.

Criteria You Should Consider Before Purchasing The Best Linear Rails

Before choosing a linear rails, you should take the following considerations into account.

We suggest you let you be closer to your best consideration while choosing the best linear rails that will fulfill your demand. 

Not all the linear rails were prepared for functioning the same purpose. Some features will bring the difference and price would be another factor. Therefore, you should find the perfect deal that will serve you without breaking the bank.

Turns out, we recommend you to go through the following buying guide account:


Purchasing a linear rails sometimes becomes a herculean task for us. We just follow the design and some key features. Often we don’t even know which brand comes with what type of glorious background. We tell it’s brand value! Yes, it matters for any type of product, goods, and service. Keeping this in mind, we gathered some of the best deals for you.


Features are many out there while choosing a product. Not every one of them will serve your purpose. So, a product with numerous features is not an ideal pick, lets know the purpose wholeheartedly first and then find out which linear rails will work for you. Therefore, we try to round up a few products based on unique identities based on valuable features.

Customer Ratings: 

People always check their reputation, won’t they? Well, it tells about the cornerstone of the services of any product. Also, you can easily evaluate from one linear rails to another. Here is why, we recommend you to go through the pinpoint why one customer applauded linear rails but on the other hand, another customer won’t become satisfied enough. It happens due to the perspective of buying and thus the two people have the opposite comments from their sides. Hopefully, you will be mindful too when buying a product. 

Customer Reviews: 

The customer rating is another inevitable factor while buying linear rails. It tells a big picture of real-life using any product. From understanding the right purpose of buying different types of linear rails, we differentiate them and create a round-up review for you.


You can not push and go beyond the budget yours no matter what, you love it to buy. Thankfully, our reviews will suggest the most affordable one. Don’t break the bank at the same time buy the best linear rails as well. 


Warrantee is somewhat the most essential thing to look for. By the way, good brands often have warranties. Check the duration and enjoy the free replacement when you have bad luck.


Now, you have a handful of information about linear rails. Plus, we covered an in-depth buying guide to make your buying decision easy. So, judge a product before picking it by the standards we mentioned in our buying guide. Then, pick the linear rails that will meet your requirements. And don’t forget to check out our recommendations. We hope you will find your ideal pick from there.

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