KB055XP0
5/16" 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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KB055XP0 Bearing Product Overview & Core Advantages
The KB055XP0 is a thin-section four-point contact ball bearing designed for applications requiring compact design and high precision. As part of the Reali-Slim Open Bearings series with inch measurements, it delivers exceptional performance in handling combined loads, simultaneously supporting significant radial, axial, and moment loads. Its single-row construction with a four-point contact design provides high rigidity and accurate rotational motion, making it ideal for space-constrained, high-reliability applications in robotics, aerospace, and precision machinery.
KB055XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KB | Kaydon Reali-Slim bearing series identifier |
| 055 | Bore diameter: 5.5 inches |
| X | Cross section: 0.3125" width |
| P | Four-point contact design |
| 0 | Open construction (no seals) |
KB055XP0 Bearing Structural Features & Performance Benefits
Four-Point Contact Design: The unique raceway geometry enables the bearing to handle combined radial, axial, and moment loads simultaneously, providing superior load distribution and reduced system complexity.
Thin-Section Construction: With a consistent cross-section of 0.3125", this bearing offers significant space and weight savings while maintaining high bearing rigidity and precision.
Precision Engineering: Manufactured to ABEC-1 tolerance class with tight dimensional controls, ensuring smooth operation and accurate positioning in precision applications.
High-Performance Materials: Constructed with chrome steel rings and balls with a brass cage for optimal strength, durability, and reliable performance under demanding conditions.
Superior Load Capacity: Delivers impressive dynamic load ratings (radial: 1304 lbf, axial: 2100 lbf) and static load ratings (radial: 2360 lbf, axial: 5890 lbf) for its compact size.
KB055XP0 Bearing Typical Application Areas
- Robotics and Automation: Rotary joints, robotic arms, and positioning systems
- Aerospace and Defense: Guidance systems, radar platforms, and satellite mechanisms
- Medical Equipment: CT scanners, MRI machines, and surgical robotics
- Semiconductor Manufacturing: Wafer handling equipment and precision stages
- Industrial Machinery: Rotary tables, indexing heads, and precision gearboxes
