RB1250110 for Large Rotary Equipment
- The RB1250110 crossed roller bearing is developed for large rotary equipment that requires a wide bearing interface and stable mechanical support. Its large-diameter design allows the bearing to be integrated into substantial rotary assemblies while maintaining a relatively compact cross-section.
- With its space-efficient structure and crossed roller arrangement, the RB1250110 is well suited to large positioning mechanisms, rotary tables, inspection systems, and other equipment built around a large rotating interface.
Crossed Roller Bearing Structure
The RB1250110 crossed roller bearing features cylindrical rollers arranged alternately at right angles between the inner and outer rings. This configuration allows one bearing to accommodate forces acting in multiple directions, making it suitable for complex rotary assemblies.
With its large diameter and relatively compact cross-section, the RB1250110 provides a broad support interface without requiring a more complicated bearing arrangement. This makes it easier to integrate into large equipment where installation space and overall mechanical layout need to be considered together.
Technical Specifications
| Bearing Model | RB1250110 |
| Inner Diameter (d) | 1250 mm |
| Outer Diameter (D) | 1500 mm |
| Roller Pitch Diameter (Dpw) | 1365.8mm |
| Width (B) | 110mm |
| Chamfer (rmin) | 5 |
| Shoulder Size (ds) | 1308 |
| Shoulder Size (Dh) | 1423 |
| Basic Load Rating (Radial) Cr | 1350 |
| Basic Load Rating (Radial) Cor | 3970 |
| weight (kg) | 440 |
| Roller Arrangement | Crossed cylindrical rollers, 90° alternating |
| Rotational Accuracy | P4 / P5 (optional higher grades available) |
| Material | High-quality bearing steel (optional stainless steel) |
| Preload | Light / Medium / Heavy (customizable) |
| Lubrication | Lithium-based grease or custom lubrication available |
Integration & Application Considerations
The RB1250110 can be incorporated into machinery with a large rotating interface, particularly where the bearing needs to work directly within the main rotary assembly.
It is suited to large rotary tables, industrial indexing systems, inspection and measuring equipment, and positioning mechanisms.
Its format also allows designers to consider the bearing as part of the machine's overall rotary layout rather than as a separate support component. This can be useful when developing equipment around a large-diameter rotating structure.
Inspection & Delivery Preparation
- For large-diameter crossed roller bearings, dimensional consistency and assembly condition are checked throughout the production process. TEDIN carries out final inspections before shipment to verify the finished bearing against the required specifications and ensure it is properly prepared for delivery.
- After inspection, the RB1250110 is cleaned, protected against corrosion, and securely packed for transportation. Packaging can be arranged according to the bearing size and shipping requirements to help protect the product during handling and transit.
Common Questions About Crossed Roller Bearings
Can the preload be specified for RB1250110?
Yes. The preload can be specified according to the required running characteristics and application conditions. The appropriate setting should be determined based on the equipment design, load, and operatin
What lubrication is suitable for RB1250110?
Grease or oil lubrication can be used depending on the operating speed, temperature, and working environment. The lubricant should be selected to match the actual operating conditions and manufacturer recommendations.
Does RB1250110 require special mounting conditions?
The shaft and housing should provide suitable dimensional accuracy, rigidity, and mounting conditions for the bearing. The required fits and mounting arrangement depend on the surrounding components and operating requirements.
What should be checked if RB1250110 becomes noisy?
Check the lubrication condition, mounting accuracy, preload, and surrounding components first. Unusual noise can also result from contamination or uneven loading, so the bearing and its installation should be inspected before continued operation.
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