RB6013 Crossed Roller Bearing
Engineered for precision machinery such as rotary tables, robotics joints, CNC turntables, and measuring instruments, the RB6013 provides stable motion and long service life. Its compact form reduces system weight while maintaining outstanding stiffness - a crucial advantage in applications that require both lightness and accuracy.
Each RB6013 bearing undergoes strict quality control, including noise testing, rotation accuracy inspection, and preload verification, ensuring every unit meets industrial-grade reliability standards.
Technical Specifications
| Model | RB6013 |
| Inner Diameter (d) | 60 mm |
| Outer Diameter (D) | 90 mm |
| Roller Pitch Diameter (Dpw) | 74 mm |
| Width (B) | 13 mm |
| Chamfer (rmin) | 0.6 |
| Shoulder Size (ds) | 68 |
| Shoulder Size (Dh) | 82 |
| Basic Load Rating (Radial) Cr | 18 kN |
| Basic Load Rating (Radial) Cor | 24.3 kN |
| weight | 0.3 kg |
| Running Accuracy | P5 / P4 / P2 (optional) |
| Preload | Light / Medium / Heavy (customizable) |
| Material | High Carbon Chromium Bearing Steel (SUJ2 / 100Cr6) |
| Cage Material | Brass / Resin / Stainless Steel (optional) |
| Lubrication | Grease or Oil |
| Seal Type | Open / Sealed (optional) |
RB6013 Crossed Roller Bearing – FAQ
1. Why does the bearing temperature rise after long operation?
This may result from over-lubrication, excessive load, or high-speed operation without proper heat dissipation. Check the grease amount and operating conditions - reducing the grease volume or improving ventilation often resolves the issue.
Use sealed-type RB6013 bearings or add an external protective cover. Periodically inspect and clean the surrounding mechanical components to prevent dust and moisture from entering the raceway.
Excessive preload can cause high friction torque, excessive heat, and shortened bearing life. Always set preload within the manufacturer's recommendation based on the application's load and rigidity needs.
Stop operation immediately and check for foreign particles, improper mounting, or insufficient lubrication. Clean the bearing and reapply fresh lubricant before restarting.
Indicators include increased vibration, irregular rotation, surface discoloration, or unusual sound. These typically result from lubrication issues or overload. Replace the bearing immediately to prevent further equipment damage.
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