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Two silver linear rails with four matching slide blocks on a flat surface

VEVOR

VEVOR SBR16 Linear Guide Rail Set 800mm 2 Rails 4 Blocks

SKU CH-JCNM-8SF8B

Two 800 mm carbon-steel rails with four SBR16UU slide blocks deliver 774 N dynamic and 1180 N static load per block for CNC and automation builds

  • TypeOther Appliances
  • Width5.51
  • 800 mm rails with 4 blocks enable long-travel linear motion
  • 774 N dynamic and 1180 N static load per block handle heavy-duty CNC forces
  • Carbon steel shafts and aluminum blocks with chrome plating resist corrosion for extended service life
  • Built-in ball bearings deliver low-friction, low-noise sliding without tilt
  • 32 mm and 30 mm mounting-hole spacing allows precise, repeatable installation on standard profiles

Linear Motion Kit for CNC and Automation

This set provides two 800 mm SBR16 guide rails and four SBR16UU slide blocks for linear motion builds. It suits DIY CNC router projects and automated machinery requiring guided travel. The carbon steel shafts and aluminum supports form a rigid framework for repeatable movement.

Sustained Load Behaviour

Each slide block carries a dynamic load of 774 N and a static load of 1180 N, allowing continuous operation under rated force. Chrome-plated shafts and built-in ball bearings maintain low friction during extended runs. The aluminum blocks and steel rails resist wear without sudden performance drop-off.

Build Quality and Mounting

Rails measure 800 mm long with a 16 mm shaft diameter and an overall profile of 80 x 32.2 mm. Mounting holes are spaced at 30 mm and 32 mm intervals for secure fastening. Each block is 45 x 45 x 33 mm with accurate holes that simplify alignment during installation.

Highlights

  • 800 mm rails with 4 blocks enable long-travel linear motion
  • 774 N dynamic and 1180 N static load per block handle heavy-duty CNC forces
  • Carbon steel shafts and aluminum blocks with chrome plating resist corrosion for extended service life
  • Built-in ball bearings deliver low-friction, low-noise sliding without tilt
  • 32 mm and 30 mm mounting-hole spacing allows precise, repeatable installation on standard profiles

Specifications

TypeOther Appliances
Width5.51

Questions about this item

How much heat does the SBR16 rail set generate when running continuously all day?

The carbon-steel shaft and aluminum blocks with built-in ball bearings produce very little friction heat during continuous operation; no active cooling is required.

What mounting hardware must I already have to install the 800 mm rails?

You need M5 or equivalent fasteners to match the 32 mm and 30 mm hole spacings on the rail supports and the 45 mm square block bases.

Will the 16 mm shaft diameter and 774 N dynamic load per block work with my older CNC router frame?

Yes — the 16 mm shaft and 774 N dynamic load rating are standard for many hobby CNC frames; the 32 mm and 30 mm mounting patterns align with common legacy brackets.

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