Product Introduction
- The RE20025 Crossed Roller Bearing is a high-precision thin-section bearing engineered for applications that require stable rotation accuracy within a compact footprint.
- Its rigid one-piece outer ring design minimizes deformation during high-speed indexing, making it suitable for equipment where repeatability and long-term dimensional stability are critical.
- This model is frequently selected for advanced rotary mechanisms that demand consistent performance over extended duty cycles, especially where installation space is limited but load capability cannot be compromised.
Technical Parameters (RE20025)
| Inner Diameter (d) | 200 mm |
| Outer Diameter (D) | 260 mm |
| Roller Pitch Diameter (Dpw) | 230 mm |
| Width (B) | 25 mm |
| Chamfer (rmin) | 2 |
| Shoulder Size (ds) | 215 |
| Shoulder Size (Dh) | 245 |
| Basic Load Rating (Radial) Cr | 84.2 kN |
| Basic Load Rating (Radial) Cor | 157 kN |
| weight | 4 kg |
| Accuracy Options | P5 / P4 / P2 |
Check More Type of RB Crossed Roller Bearing
RE / RB / RU Crossed Roller Bearing Series Comparison
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| Model number | RE Series | RB Series |
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| Ring Structure | Outer ring integrated / inner ring split | Outer ring split / inner ring integrated | Both rings integrated |
| Installation Space | Thin-section, compact | Standard profile | Ultra-compact, flange-type |
| Mounting | Requires housing & positioning | Requires housing & positioning | Direct-mount, no housing needed |
| Stiffness | High | High | Highest (one-piece design) |
| Load Capacity | Balanced | Higher than RE (same size) | Very high for its size |
| Accuracy Options | P5–P2 | P5–P2 | P5–P2 |
RE20025 Crossed Roller Bearing - FAQ
Is the RE20025 suitable for light-weight rotary designs?
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Despite its thin-section profile, the bearing maintains high load capacity and is widely used in compact platforms needing both strength and precision.
What common issues occur if the bearing is misaligned?
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Misalignment may cause uneven torque, reduced accuracy, or premature roller wear; proper seating and inspection are essential.
How can vibration levels be reduced in high-precision applications?
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Balancing the rotating structure, applying uniform mounting torque, and selecting the correct preload grade are critical for low-vibration operation.
What torque fluctuations indicate a potential problem?
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Sharp increases in rotational torque often point to contamination, raceway deformation, or roller misalignment.
Is thermal expansion a concern in high-speed or high-temperature setups?
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Yes. Temperature rise may affect preload and internal clearance; using controlled cooling or selecting the proper lubricant helps maintain stable performance.
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