SMA 12 GUU CT - compact linear bearing unit

Main Product Description

The SMA 12 GUU CT is a high-precision linear bearing unit designed for industrial machinery, automation systems, CNC equipment, and advanced motion applications. This ready-to-install bearing housing integrates a sealed linear ball bearing, delivering stable guidance, reduced friction, and long service life, even in demanding working environments.

Its aluminium anodized housing ensures excellent rigidity while keeping the total weight low, making the SMA 12 GUU CT ideal for dynamic, repetitive motion tasks. The integrated double-sealed linear bearing protects the rolling elements against dust, dirt, and lubricants, ensuring reliable operation and extended durability.

Thanks to its standardized mounting pattern and threaded holes, the SMA 12 GUU CT allows quick installation and replacement without additional brackets or adapters. This reduces machine downtime and simplifies maintenance — a crucial factor in high-volume production facilities and automation lines.

The bearing is optimized for Ø12 mm linear shafts, providing smooth, precise travel, minimal play, and high repeatability required in positioning systems, transport modules, packaging machines, measuring equipment, and robotic assemblies.

Engineers value this unit for its balance of rigidity, ease of installation, and long-term stability. Whether used in industrial automation, CNC motion modules, or custom mechanical assemblies, SMA 12 GUU CT ensures consistent performance and reliability in daily operation.

Technical Data - SMA 12 GUU CT

FAQ - Frequently Asked Questions

Is the SMA 12 GUU CT suitable for industrial automation?
Yes. It is designed for automation systems, CNC machinery, conveyor technology, and all applications requiring precise linear motion.

Does the unit come with a sealed bearing?
Yes. The bearing is fully sealed, providing protection from dust, dirt, and lubricant contamination, improving operational life.

Is it compatible with standard 12 mm shafts?
Correct — it fits any linear shaft with a 12 mm diameter, ideally hardened and ground to tolerance h6.

What are the advantages of a linear bearing unit with housing?
It offers easy mounting, high rigidity, quick replacement, and improved alignment compared to standalone linear bearings.

Where is this type of bearing used?
Commonly in CNC tables, robotic modules, inspection equipment, packaging lines, transport systems, and automation gantries.