Key Features
- The RE17020 crossed roller bearing is engineered for applications that demand compact structure, high rotary stiffness, and stable accuracy without bulky housings.
- Its integrated inner/outer ring design reduces mounting complexity and improves repeatability, making it ideal for precision turntables, robotic joints, and inspection platforms where smooth, consistent motion is critical.
Technical Parameters
| Bearing Model | RE17020 |
| Outer Diameter (d) | 220 mm |
| Inner Diameter (D) | 170 mm |
| Roller Pitch Diameter (Dpw) | 196.1 mm |
| Width | 20 mm |
| Chamfer (rmin) | 1.5 |
| Shoulder Size (ds) | 184 |
| Shoulder Size (Dh) | 198 |
| Basic Load Rating (Radial) Cr | 29 kN |
| Basic Load Rating (Radial) Cor | 62.1 kN |
| weight | 2.21 kg |
Check More Type of RB Crossed Roller Bearing
Customization Options
- Customized Preload Levels – light, medium, heavy
- Cage Materials – brass, resin, PEEK
- Surface Treatments – anti-corrosion coating, black oxide
- Accuracy Grades – standard, high-precision, ultra-precision
- Ring Material Options – bearing steel, stainless steel
RE17020 Crossed Roller Bearing - FAQ
How does installation error affect the load distribution inside the RE17020?
Even minor angular or axial misalignment shifts the roller contact zones and concentrates stress on local points of the raceway. This leads to uneven wear and shortened service life. Precision-machined mounting faces are essential to maintain uniform load paths.
Can the RE17020 maintain accuracy in applications with thermal cycling?
Yes, provided the surrounding structure uses materials with predictable thermal expansion. Uneven temperature gradients across the mounting plane cause ring distortion, which affects roller contact angles. Controlled thermal design is key to maintaining micron-level repeatability.
How does cage material influence high-speed performance?
PEEK cages handle higher speeds and generate lower torque due to reduced mass and better heat resistance. Brass cages offer superior dimensional stability under heavy loads but may introduce slightly higher friction at elevated speeds.
What torque pattern indicates improper preload or mounting stress?
A waveform with sharp peaks during slow rotation often points to distortion from uneven bolt tightening. A smooth but rising torque curve suggests excessive preload. Both patterns warrant inspection before proceeding with operation.
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