Compact Structure with Multi-Directional Load Capability
The RE22025 Crossed Roller Bearing features a 220 mm bore diameter and a compact 25 mm profile, offering high rigidity and stable rotational accuracy in a space-saving design. Its crossed roller configuration supports combined radial, axial, and moment loads within a single bearing unit, helping improve structural efficiency and positioning performance.
Key Performance Advantages
High Load
Capacity
The crossed roller arrangement enables the RE22025 to accommodate radial, axial, and moment loads simultaneously within a single compact bearing unit..
Superior Structural Rigidity
Optimized roller contact improves load distribution, helping minimize deformation and maintain stable support under demanding operating conditions.
Consistent Running Accuracy
Precision-ground raceways promote smooth rotational movement and support reliable positioning performance throughout the bearing's service life.
Efficient Space Utilization
The compact 25 mm profile helps reduce installation space requirements while maintaining excellent load-carrying capability and system stability.
Technical Parameters
| Model | RE22025 |
| Inner Diameter (d) | 220 mm |
| Outer Diameter (D) | 280 mm |
| Roller Pitch Diameter (Dpw) | 250.1 mm |
| Width (B) | 25 mm |
| Chamfer (rmin) | 2 |
| Shoulder Size (ds) | 235 |
| Shoulder Size (Dh) | 265 |
| Basic Load Rating (Radial) Cr | 92.3 kN |
| Basic Load Rating (Radial) Cor | 171 kN |
| Mass | 4.1 kg |
| Accuracy Class | P5 / P4 / P2 (Optional) |
Where RE22025 Performs in Precision Systems
Precision Manufacturing for Dimensional Stability
Pre-Shipment Protection & Traceability Control
Before shipment, each RE22025 bearing is carefully prepared to maintain its condition during transportation and storage. Protective packaging helps prevent contamination, impact damage, and surface deterioration. Every unit is labeled and verified for accurate identification and traceability, ensuring product integrity from final inspection to customer delivery.
Operational Issues & Engineering Solutions
Q:1.Noise after installation?
Noise is usually caused by improper mounting conditions such as uneven bolt tightening, insufficient preload, or lack of lubrication. Ensure mounting surfaces are clean, flat, and assembled according to recommended procedures.
Q:2.Accuracy becomes unstable?
This is often related to insufficient housing rigidity, incorrect preload selection, or deformation under uneven load distribution. Improving structural support and adjusting preload can help restore stable rotational accuracy.
Q:3.Bearing feels too tight?
Excessive tightness is commonly caused by over-preload, misalignment during installation, or thermal expansion during operation. Preload should be adjusted based on actual operating conditions.
Q:4.Short service life?
Reduced lifespan is typically linked to contamination, inadequate lubrication, improper installation, or overload conditions. Proper sealing and regular maintenance are essential for stable performance.
Q:5.Lubrication leakage or drying?
Lubrication issues may occur due to incorrect grease selection, excessive operating temperature, or long maintenance intervals. Selecting suitable lubricant and maintaining regular inspection is recommended.
Q:6.Can it handle combined loads?
Yes, the RE22025 is designed to support radial, axial, and moment loads simultaneously. However, system rigidity and correct mounting design are critical to fully utilize its load capacity.
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