Overview
The Rexroth R1038X30XX linear bearing (also labeled 758 7210 AAR) is a high-precision linear bushing manufactured by Bosch Rexroth, the global leader in linear motion technology. Designed for industrial automation, material handling, and precision machinery applications, this 30mm bore bearing delivers smooth, low-friction guidance along precision shafts. Built to German engineering standards and sealed for protection, the unit arrives new and ready for integration into motion control systems requiring high repeatability and extended service life.
Key Features
- 30mm bore diameter optimized for compact linear systems
- Bosch Rexroth precision engineering and manufacturing
- Ball bearing roller design for smooth, repeatable motion
- Sealed construction protects against contamination and extends bearing life
- Ready-to-install condition—new with minimal handling
- Compatible with standard linear shafts and guide rail assemblies
Technical Specifications
| Manufacturer | Bosch Rexroth |
| Model | R1038X30XX |
| Alternative Designation | 758 7210 AAR |
| Bore Diameter | 30 mm |
| Type | Linear Ball Bushing |
| Weight | 0.867 kg (unit); 2.0 kg (packaged) |
| Origin | Made in Germany |
| Condition | New – No Box |
| Lubrication | Grease or oil compatible; pre-filled with anti-corrosion agent |
| Quantity | 1 unit |
Typical Applications
The Rexroth R1038X30XX linear bearing is ideal for:
- Precision machinery requiring smooth linear motion along shafts
- Industrial automation systems and assembly line equipment
- Motion control and guidance in CNC and tooling applications
- Material handling conveyors and robotic arms
- Medical and hygiene-sensitive manufacturing equipment
- Chemical and food processing machinery where precision and reliability are critical
Compatibility & Replacements
Compatible With
- Standard precision shafts with 30mm diameter or equivalent ISO 10285 guidance rails
- Bosch Rexroth linear set assemblies and carriage systems
- Any linear motion system designed for 30mm bore bushings
- Grease and oil-lubricated linear guidance systems
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The R1038X30XX may be compatible with other Rexroth 30mm linear bushing models; however, exact replacement compatibility depends on housing bore dimensions and mounting specifications. Consult the OEM documentation or contact a Bosch Rexroth distributor to confirm drop-in suitability for your specific application.
Works With
- Bosch Rexroth linear rail and shaft guidance systems
- Precision ground shafts (minimum HRC 60 hardness recommended)
- Standard petroleum-based lubricants and synthetic greases
- Modular carriage and housing blocks for 30mm bore applications




