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Linear Rail Kit with 2x 800mm SBR12 rails and 4x SBR12UU blocks

CNCMANS ★ 3.7/5 · ItemOracle Score Budget

$37 USD
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Linear Rail 2PCS SBR12 800mm Linear Guide Fully Supported Linear Rail Shaft Guide 12mm with 4PCS SBR12UU Slide Bearing Block, SBR12-800mm Linear Motion Guides Kit for CNC Machine

Two 800mm linear rails with four SBR12UU bearing blocks for precise linear motion. Durable carbon steel and aluminum alloy construction with chrome plating for rust resistance. Customer note: solid build with good functionality, some greasing may improve smoothness

Highlights

  • 2x 800mm fully supported rails
  • 4x SBR12UU bearing blocks
  • pre-drilled mounting holes

Pros

  • robust construction
  • includes 2 rails and 4 blocks
  • pre-drilled mounting holes
  • rust-resistant surface
  • suits CNC applications

Cons

  • some users report noise and need for greasing
  • sliders can experience fit issues or stickiness

Best For

  • cnc machine linear guidance
  • robotics linear actuators
  • dual-rail setups for gantries
  • precision sliding platforms
  • machine tool guides
  • workbench automation

Features

  • Includes 2x 800mm SBR12 rails and 4x SBR12UU blocks for full kit compatibility
  • Constructed from carbon steel and aluminum alloy with chrome-plated surface for rust resistance
  • Aluminum support rails feature pre-drilled holes for straightforward mounting on X, Y, Z axes
  • High precision design minimizes stick-slip and reduces heating during operation

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