Key Advantages & Distinct Features
- Enhanced Moment Load Capacity
- Large bearing diameter and optimized roller distribution significantly improve resistance to tilting and eccentric loads.
- Exceptional Rigidity for Heavy Equipment
- Designed to minimize elastic deformation, ensuring stable motion and repeatable accuracy under high loads.
- Compact Design with High Load Density
- Delivers strong load performance without increasing axial space, ideal for space-restricted precision assemblies.
- Stable Accuracy Over Long Service Life
- Precision-ground raceways reduce vibration and maintain rotational consistency during continuous operation.
Technical Parameters
| Model | RB70045 |
| Inner Diameter (d) | 700 mm |
| Outer Diameter (D) | 815 mm |
| Roller Pitch Diameter (Dpw) | 753.5 mm |
| Width (H) | 45 mm |
| Chamfer (rmin) | 3 |
| Shoulder Size (ds) | 731 |
| Shoulder Size (Dh) | 777 |
| Basic Load Rating (Radial) Cr | 281 kN |
| Basic Load Rating (Radial) Cor | 836 kN |
| weight | 46 kg |
| Accuracy Grade | P5 / P4 (optional) |
Check More Type of RB Crossed Roller Bearing
RB70045 Crossed Roller Bearing - FAQ
Can RB70045 be customized for specific environments?
Yes. Options such as surface treatments, sealing structures, and special lubricants are available to match environmental and application requirements.
Is RB70045 appropriate for custom-built precision machinery?
RB70045 is often selected for custom systems where large diameter, high rigidity, and multi-directional load capacity are required in a single bearing solution.
How often should RB70045 bearings be inspected?
Inspection frequency depends on operating conditions, but standard practice is to check bearings during routine maintenance cycles, especially in high-load or high-speed applications.
How to prevent corrosion or surface damage?
Select optional surface treatments or protective coatings if the operating environment involves moisture, chemicals, or dust. Proper sealing also reduces contamination.
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