2PCS SBR12 1000mm Linear Guide Rail Slide Rail 4 PCS SBR12UU Bearing Block

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$167

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About this item

This is a complete SBR12 linear motion kit with 2 guide rails (1000mm long) and 4 SBR12UU slide blocks. The 12mm shaft is carbon steel with a chrome-plated finish, paired with aluminum blocks and ball bearings for smooth, low-friction travel. Precise hole spacing and shaft tolerances make it easy to mount accurately on CNC machines, 3D printers, lathes, and other automation or DIY projects.

Set includes 2 SBR12 guide rails (1000mm/39.4in each) and 4 matching SBR12UU slide blocks
Shaft diameter 12mm, chrome-plated carbon steel rail for smooth, rust-resistant operation
Aluminum slide blocks with built-in ball bearings for low-friction, stable sliding
Load rating per block: 372N dynamic, 549N static
Mounting hole spacing: 28mm (A) and 26mm (B); block size 39 x 40 x 27.6mm
Good for CNC machines, 3D printers, laser engravers, lathes and other DIY automation builds

Specifications

UPC: 840349904627
Brand: Unbranded
Shaft Diameter: Φ12 mm
Guide Rail Length: 39.4 in/1000 mm
Slide Block Model: SBR12UU
Mounting Hole Distance A: 1.1 in/28 mm
Mounting Hole Distance B: 1 in/26 mm
Slide Block Size(L x W x H): 1.5 x 1.6 x 1 in/39 x 40 x 27.6 mm

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