Key Features
Enhanced Rotational Accuracy
Tight raceway tolerances and a balanced roller layout ensure consistent motion with minimal runout.
Stable Performance Under Continuous Duty
Heat-treated rings and low-friction rolling surfaces reduce wear and promote long service life.
High Moment-Load Resistance
The enlarged effective contact area offers greater stiffness than other RE models with similar dimensions.
Preload Options for Precision Systems
Available with light or customized preload to optimize smoothness, stiffness, and torque.
Technical Parameters
| Model | RE30025 |
| Outside Diameter (d) | 300 mm |
| Inside Diameter (D) | 360 mm |
| Roller Pitch Diameter (Dpw) | 332 mm |
| Width | 25 mm |
| Chamfer (rmin) | 2.5 |
| Shoulder Size (ds) | 319 |
| Shoulder Size (Dh) | 344 |
| Basic Load Rating (Radial) Cr | 75.5 kN |
| Basic Load Rating (Radial) Cor | 178 kN |
| weight | 5.9 kg |
| Rotational Accuracy Grade | P5 / P4 optional |
Check More Type of RB Crossed Roller Bearing
applications
Tables
Joints
RE30025 Crossed Roller Bearing - FAQ
What are the speed limitations for RE30025?
Speed limits depend on lubrication type, preload, and cage material. Resin cages with proper grease allow higher speeds, while brass cages suit heavy loads at moderate speeds.
Can installation errors affect bearing life?
Yes. Uneven mounting, misaligned shafts, or improper torque can cause stress concentration, early wear, or increased noise.
Are there special considerations for moment loads?
Ensure preload and rigidity match the expected axial and moment loads. Exceeding rated limits may reduce service life or cause deformation.
Is vibration analysis recommended during setup?
Yes. Vibration monitoring can detect early misalignment, uneven load distribution, or lubrication issues, preventing long-term damage.
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