K11020AR0
20mm Constant Section Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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K11020AR0 Bearing Product Overview & Core Advantages
The K11020AR0 is a single row angular contact ball bearing from the Reali-Slim mm Metric Bearings series, engineered for applications requiring high precision and compact design. This bearing is specifically designed to handle combined loads, supporting significant radial loads and unidirectional axial loads simultaneously due to its defined 30° contact angle. Manufactured to ABEC-1 tolerance class, it ensures reliable performance in high-accuracy systems. Its thin-section design (20mm width) combined with a robust chrome steel construction offers an optimal balance of strength and space savings, making it ideal for high rigidity applications where precise shaft positioning is critical.
K11020AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance & Advantage |
|---|---|---|
| K11020 | Bearing series and size designation (110mm bore, 150mm OD, 20mm width) | Identifies the bearing dimensions and belongs to the Reali-Slim metric series for compact, lightweight designs. |
| A | 30° Contact Angle | Optimized for carrying high axial loads in one direction in combination with radial loads. |
| R0 | Radial Internal Clearance designation | Specifies a very tight internal clearance (0.0000 – 0.0005"), essential for high precision and minimal runout in the application. |
K11020AR0 Bearing Structural Features & Performance Benefits
Optimized Contact Angle & Load Capacity: The 30° contact angle is fundamental to its performance, enabling it to efficiently support substantial combined loads. With a high axial static load rating of 9936 lbf and a radial dynamic load rating of 4420 lbf, it is built for demanding applications.
High-Precision Construction: Manufactured from chrome steel for both rings and balls, and featuring a brass cage, this bearing ensures dimensional stability and smooth operation. The ABEC-1 precision and tight radial internal clearance guarantee high running accuracy and system rigidity.
Thin-Section & Lightweight Design: As part of the Reali-Slim series, it provides a large bore relative to its cross-section, saving space and reducing weight (0.91 kg) without compromising on load capacity or strength.
Standard Lubrication & Temperature Range: The bearing comes lubricated and operates effectively within a temperature range of -30°C to 110°C, ensuring readiness for installation and reliable performance in various environments.
K11020AR0 Bearing Typical Application Areas
The K11020AR0 is ideally suited for a wide range of high-precision machinery and equipment where space constraints and accurate motion control are paramount. Key industries and applications include:
- Robotics and Automation: Robot arm joints, rotary actuators, and precision gearboxes.
- Aerospace & Defense: Guidance systems, radar platforms, and actuator mechanisms.
- Machine Tool: Rotary tables, indexing heads, and high-precision spindles for light-duty operations.
- Medical Equipment: Imaging scanners (CT, MRI) and surgical robot joints.
- Semiconductor Manufacturing: Wafer handling robots and precision positioning stages.
