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Precision ground linear shafts, shaft supports, and bearings are designed to support sliding linear loads while providing smooth operation with minimal maintenance. The shafts' surface finish is optimized for plain and ball bearings.
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Precision Ground Linear Shafts / Bearings / Supports
Precision ground linear shafts, shaft supports, and bearings are used in high-precision linear motion applications where tight tolerances are needed.
- Linear precision ground shafts are designed to meet stringent straightness requirements
- Linear shaft bearings provide precise, smooth action along the linear path
- Roller pillow block bearings available in single, double, and twin styles
- Linear shaft supports allow for easy shaft installation and support
For part listing and specifications, go to Shop Now
Linear Precision Ground Shafts
Linear precision ground shafts provide rigid, accurate support for linear sliding motion where straightness and dimensional consistency are critical. These shafts are engineered for smooth travel and dependable performance in precision motion applications.
- Available in carbon steel or stainless steel to match strength and corrosion requirements
- Precision ground construction supports accurate shaft diameter and straightness
- Diameters range from 1/4“ to 1‑1/4”
- Standard lengths from 6” to 36”
- Offered in round and fully supported shaft styles
- Designed to support precision linear sliding loads
- Compatible with plain, ball, and roller style shaft bearings
Linear Shaft Bearings
Linear shaft bearings provide smooth, controlled motion when paired with precision ground shafts. Multiple bearing technologies are available to support accuracy, load capacity, and long service life across a wide range of applications.
- Available in maintenance‑free plain bearings or rolling element ball bearings
- Plain bearings feature a self‑lubricating Frelon liner
- Ball bearing models use heat‑treated rolling elements for extended life
- Precision models offer running clearance as tight as 0.001” (0.025mm)
- Offered in open or closed bearing styles
- Flange‑mounted assemblies include built‑in self‑alignment in all directions
Roller pillow blocks are designed for high speed, high rigidity linear motion and perform well in demanding environments where contamination resistance is important.
- Large cam follower bearings with side shields help exclude contaminants
- Linear travel speeds up to 7.6 m/s (25 ft/s)
- Well suited for joined shaft applications
- Optimized for horizontal installations with downward loading
- Single‑style pillow blocks can operate on curved shafts
- Corrosion‑resistant bearing design supports long service life
- Assemblies include built‑in self‑alignment in all directions
Linear Shaft Supports
Linear shaft supports stabilize and reinforce round shafts to reduce deflection and maintain alignment. These components help ensure consistent performance in linear motion systems.
- Designed for end support or intermediate shaft support
- Compatible with any round shaft material
- Available for shaft diameters from 1/4” to 1‑1/4”
- Simple designs support easy installation
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