RE30040 Crossed Roller Bearing
Key Features
- The RE30040 Crossed Roller Bearing is engineered for precision equipment where structural rigidity and rotational stability are critical. Its large inner diameter and slim cross section make it an ideal solution for compact systems that must withstand complex loads without sacrificing accuracy.
- Designed for long service life and stable performance, the RE30040 is widely used in rotary tables, automation systems, optical equipment, and high-precision positioning mechanisms where reliability and repeatability are essential.
Material Choices
standard bearing steel, high-strength alloy steel, corrosion-resistant steels.
Cage Types
brass, PA66, or metal-reinforced structures.
Surface Treatments
anti-corrosion coating, black oxide, or chrome plating.
Precision Grades
tailored accuracy to match motion-control requirements,P5/P4/P2 available.
Technical Parameters (RE30040)
| Inner Diameter (d) | 300 mm |
| Outer Diameter (D) | 405 mm |
| Roller Pitch Diameter (Dpw) | 351.6 mm |
| Width (B) | 40 mm |
| Chamfer (rmin) | 2.5 |
| Shoulder Size (ds) | 326 |
| Shoulder Size (Dh) | 377 |
| Basic Load Rating (Radial) Cr | 212 kN |
| Basic Load Rating (Radial) Cor | 409 kN |
| weight | 17.2 kg |
| Accuracy Grade | P5 / P4 / P2 |
Check More Type of RE Series Crossed Roller Bearing
RE30040 Crossed Roller Bearing – FAQ
How do I confirm whether the RE30040 fits my load requirements?
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Provide your load profile-radial, axial, and moment loads-and the operating cycle. Technical support can calculate load ratings and recommend a configuration.
How does the RE30040 improve system rigidity compared to conventional bearings?
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Unlike standard ball or cylindrical roller bearings, the crossed roller design limits elastic deformation under load. This results in a more rigid support structure, which is especially important for positioning platforms and indexing equipment.
What operating temperatures can the RE30040 handle?
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With appropriate material selection and lubrication, the bearing can operate reliably across a wide temperature range. Extreme temperature applications should be evaluated during the design stage.
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