Linear Bearing Pillow Block - SC12UU - 12mm Diameter Expand

Linear Bearing Pillow Block - SC12UU - 12mm Diameter



The SC12UU pillow block linear bearing is an extremely popular choice for precision CNC machines. Commonly used with 12mm linear shafting.

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R 89.95

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If you are making a CNC router, mill or lathe requiring precise linear motion, this SC12UU 12mm linear bearing housed within a durable aluminium pillow block mount is the perfect solution. The aluminium housing block is 42mm x 36mm in dimension and has four M4 CNC drilled, tapped, and countersunk holes, allowing you to easily and securely mount it to nearly anything. This SC12UU unit comprises of an aluminium housing and an LM12UU linear bearing held in place with two circlips. There are also two rubber seals on either end to prevent debris or contamination of the ball bearings.

Advantages over bushings include less slop or friction, which results in less wear over time and better machining results.

A typical CNC system will comprise or a 12mm linear shaft, mounted on either end by two end supports, with this SC12UU running along the shaft. Most CNC machines have two of these assemblies mounted side by side, using the SC12UU bearing blocks as mounts to support a moving platform. If you want precision and as little play as possible, we've got you covered with this bearing block assembly. 


Technical Specifications



Linear Bearing


Housing Block Material


Dynamic Load Rating

410 N

Static Load Rating

590 N

Block Dimensions

42mm x 36mm


12mm Linear Shaft


112 g

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Linear Bearing Pillow Block - SC12UU - 12mm Diameter

Linear Bearing Pillow Block - SC12UU - 12mm Diameter