SBR12 3000mm Linear Rail Guide for CNC and 3D Printers
Part number: SBR123D Printer & CNC Parts
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Prices updated: 13 Oct 2026
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About this product
SBR12 is a 3000 mm linear rail guide used to support and guide moving parts in a straight line on CNC machines. It is made of aluminum alloy as listed and works with SBR12 linear bearing blocks. It is supplied as a single rail.
Specifications
- Type
- SBR12
- Length
- 3000mm
- Material
- Aluminum alloy
- Package content
- 1 x Linear Rail
Frequently asked questions
Which bearing block is used with this rail?
Use SBR12 linear bearing blocks, such as the SBR12UU, which match the 12 mm rail diameter.
Is a 3000 mm rail suitable for a desktop 3D printer?
Usually not. A rail of this length suits large-format CNC machines, while desktop 3D printers normally use much shorter rails that match their build area.
