KA020XP4K
1/4" 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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KA020XP4K Bearing Product Overview & Core Advantages
The KA020XP4K is a high-performance thin section bearing designed for applications requiring exceptional precision and space optimization. This Four Point Contact ball bearing excels at simultaneously handling combined radial and axial loads from any direction. Manufactured to ABEC 5F precision standards, it delivers high running accuracy and reliability in compact assemblies where weight and cross-section are critical constraints. Its optimized design provides an excellent balance of high load capacity and minimal friction.
KA020XP4K Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KA | Kaydon® Reali-Slim® bearing series designation |
| 020 | Bore diameter code for 2" bore size |
| X | Cross section code for 0.25" width |
| P | Four Point Contact design for combined loading |
| 4 | Outside diameter code for 2.5" OD |
| K | ABEC 5F precision tolerance class |
KA020XP4K Bearing Structural Features & Performance Benefits
Four Point Contact Design: The unique raceway geometry enables the bearing to support substantial combined radial and axial loads in any direction, making it ideal for complex loading conditions. This design provides exceptional moment load capacity (434 ft-lbf dynamic) while maintaining compact dimensions.
Thin Section Construction: With a minimal cross-section of only 0.25" width and consistent 0.25" radial section, this bearing maximizes space utilization without compromising performance. The lightweight design (0.1 lbs) reduces rotational inertia for improved dynamic response.
Precision Engineering: Manufactured to ABEC 5F standards with tight dimensional tolerances and controlled radial internal clearance (0.0000 – 0.0005"), ensuring smooth operation and high positional accuracy. The brass cage provides excellent guidance and stability at various operating speeds.
High-Performance Materials: Constructed from chrome steel rings and balls with brass cage, delivering durability, corrosion resistance, and consistent performance across the operating temperature range of -30°C to 110°C.
KA020XP4K Bearing Typical Application Areas
- Robotics and Automation: Robotic joints, rotary actuators, and precision positioning systems
- Aerospace and Defense: Radar systems, gimbal mechanisms, and satellite positioning devices
- Medical Equipment: CT scanners, surgical robots, and diagnostic imaging systems
- Semiconductor Manufacturing: Wafer handling robots, precision stages, and inspection equipment
- Industrial Machinery: Rotary tables, indexing devices, and precision gearboxes
