RB5013 Crossed Roller Bearing
The RB5013 Crossed Roller Bearing is a precision bearing designed for applications where high rigidity and rotational accuracy are essential. With its compact structure and excellent load-carrying capacity, it performs reliably even in demanding rotary systems.
Product Overview
The RB5013 features an integrated outer ring and a separable inner ring. This structure provides both stability and convenience during installation, making it ideal for rotary tables, robot joints, and precision positioning mechanisms.
Performance & Design
Inside the bearing, cylindrical rollers are arranged in a 90° cross pattern, allowing the RB5013 to support radial, axial, and moment loads simultaneously. The optimized preload ensures smooth and precise motion, even under complex or high-speed operating conditions.
Technical Specifications
| Bearing Model | RB5013 |
| Inner Diameter (d) | 50 mm |
| Outer Diameter (D) | 80 mm |
| Roller Pitch Diameter (Dpw) | 64 mm |
| Width (B) | 13 mm |
| Chamfer (rmin) | 0.6 |
| Shoulder Size (ds) | 57.4 |
| Shoulder Size (Dh) | 72 |
| Basic Load Rating (Radial) Cr | 16.7 kN |
| Basic Load Rating (Radial) Cor | 20.9 kN |
| weight | 0.27 kg |
| Accuracy Class | P4 / P5 |
| Structure | Outer Ring Split, Inner Ring Integrated |
| Roller Arrangement | Crossed Cylindrical Rollers |
| Material | High-Carbon Chromium Bearing Steel |
| Cage Type | Brass or Resin Cage (optional) |
| Surface Treatment | Anti-corrosion coating available |
| Lubrication | Pre-lubricated with lithium grease |
Key Advantages
- High Rotational Accuracy: The integrated inner ring ensures precise positioning and smooth rotation.
- Compact and Lightweight: Ideal for applications with limited installation space.
- High Rigidity: Designed to withstand complex loads from multiple directions.
- Low Friction Torque: Enables energy-efficient and stable motion at low speeds.
Custom Options: Available with special cage materials, coatings, or pre-load adjustments upon request.
Why Choose TEDIN
As a professional crossed roller bearing manufacturer in China, TEDIN provides high-precision RB series bearings, including RB5013, with reliable performance and long service life.
We also offer customized solutions to meet specific requirements in automation, robotics, and machinery industries.
Everything You Need to Know
What should be considered when selecting a crossed roller bearing?
Key factors include load type, rotational accuracy, installation space, lubrication method, and operating speed.
Can RB5013 replace a traditional ball bearing?
Yes, in most precision systems. The crossed roller design offers higher rigidity and better moment load resistance than conventional ball bearings.
What causes vibration in an RB5013 bearing?
Common causes include improper installation, insufficient lubrication, or contamination in the raceway. Proper cleaning and re-lubrication often resolve the issue.
Can the RB5013 be used in dusty or humid environments?
Yes, with additional sealing or anti-corrosion surface treatment options to enhance protection and durability.
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