Heavy-Duty Rotary Bearing Overview
The RE40040 crossed roller bearing is developed for larger rotary structures that require consistent movement and dependable support during operation. Its internal roller arrangement helps maintain steady contact behavior even under varying working conditions.
It is commonly selected for mechanical systems where durability and controlled motion are more important than compact installation space.
Technical Specifications
| Model | RE40040 |
| Inner Diameter (d) | 400 mm |
| Outer Diameter (D) | 510 mm |
| Roller Pitch Diameter (Dpw) | 453.4 mm |
| Width | 40 mm |
| Chamfer (rmin) | 2.5 |
| Shoulder Size (ds) | 428 |
| Shoulder Size (Dh) | 479 |
| Basic Load Rating (Radial) Cr | 241 kN |
| Basic Load Rating (Radial) Cor | 531 kN |
| weight | 23.5 kg |
Application Areas
Heavy-Duty Rotary Platforms
Rotary Indexing Machinery
Machine Tool Rotary Tables
Heavy-Duty Robotic Rotary Bases
Heavy-Duty Production Process
The manufacturing process for the RE40040 bearing involves handling large components under carefully managed production conditions. Special attention is given to the consistency of mating surfaces during machining to ensure stable fit in heavy rotary structures.
In the workshop stage, components are gradually brought together with emphasis on controlled positioning and smooth mechanical interaction, supporting reliable operation in large-scale industrial assemblies.
RE40040 Engineering & Application FAQ
Can the RE40040 be used with servo-driven rotary systems?
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Yes. It can be applied in rotary systems that require steady motion and consistent support under controlled driving conditions.
Are sealed options available for this bearing?
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Yes. Sealed configurations can be used to help reduce the impact of dust and light external particles in general operating environments.
How does preload affect operation?
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Preload influences how firmly the rolling elements maintain contact. Proper adjustment helps support stable rotation, while incorrect settings may affect smoothness.
Can installation quality affect performance?
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Yes. Uneven mounting surfaces or inconsistent tightening can influence rotation behavior and reduce overall operating stability.
What material is used in the RE40040 bearing?
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It is typically manufactured from bearing steel suitable for large structural components and long-term industrial use. Alternative surface treatments may be available depending on application requirements.
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