Linear Ball Bushing Bearings

Thomson offers the world's largest selection of inch and metric linear ball bushing bearings.  Choose from over nine different families of linear bearing and linear bearing accessories, all state-of-the-art and top-of-the-line.

The RoundRail Advantage: The inherent ability of a RoundRail Ball Bushing® Bearing system to accommodate torsional misalignment (caused by inaccuracies in carriage or base machining or machine deflection) with little increase in stress to the bearing components.

Let Thomson Help You Make Your Selection!

Help Me Choose, Linear Bearings product selector
Interactive 3D Models, Thomson 2D/3D drawing configuration and downloads
Linear Bearings and Guides 101/201 online training webinars
Linear Bearings and Guides technical articles

Super Smart Ball Bushings

Thomson's Super Smart Ball Bushing® Bearings and Pillow Blocks are completely self-aligning in all directions.  Dual track bearing plates make the Super Smart the premier RoundRail Ball Bushing bearing. (Metric/Imperial)Learn more about Super Smart Ball Bushings >

Super Ball Bushings

Thomson's Super Ball Bushing® Bearings and Pillow Blocks have polymer housings and floating bearing plates to give these self-aligning bearings increased load capacity over standard steel ball bushing bearings. (Metric/Imperial)Learn more about Super Ball Bushings >

Precision Steel Ball Bushings

Thomson's Precision Steel Ball Bushings and Pillow Blocks are our original, high-quality Round Rail products developed by John Thomson. Bearing types also include Miniature Instrument and Die Set products. (Imperial only)Learn more about Precision Steel Ball Bushings >

MultiTrac Ball Bushings

Thomson's MultiTrac Ball Bushing Bearings are advanced steel sleeve ball bushings with patented ball control technology designed to eliminate binding and chatter and give less deflection.  (Metric only)Learn more about MultiTrac Ball Bushings >

XR Extra Rigid Bearings

Thomson XR Ball Bushing Bearings offer high load capacity and extreme rigidity creating five times the load capacity of conventional linear bearings. (Imperial only)Learn more about XR Extra Rigid Bearings >

Linear Bearing Accessories

Thomson offers a complete line of accessories for our extensive collection of linear bearing products including push-in internal rings installed inside the housing bore, external rings, and double-acting external seals for both fixed and adjustable housingsLearn more about Linear Bearing Accessories >