NC055XP0
3/8" Constant Section Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
NC055XP0 Bearing Product Overview & Core Advantages
The NC055XP0 is a high-performance **Four Point Contact Ball Bearing** engineered for applications requiring exceptional moment load capacity and precision. This **thin section bearing** features a **single row design** with **Endura-kote chromium plating**, providing superior corrosion resistance and extended service life. Its compact **0.375" width** and large **5.5" bore diameter** make it ideal for space-constrained, high-stiffness applications in robotics, aerospace, and precision machinery. The bearing is capable of supporting combined **radial and axial loads** simultaneously, delivering reliable performance under complex loading conditions.
NC055XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NC055 | Bore diameter designation (5.5 inches) |
| XP0 | Cross section and performance designation |
| Endura-kote | **Chromium plating** coating for enhanced corrosion resistance |
| Open | No seals, optimized for **precision applications** requiring minimal friction |
| Four Point Contact | **Ball bearing** design enabling high **moment load capacity** |
NC055XP0 Bearing Structural Features & Performance Benefits
Four Point Contact Design: The unique ball-raceway contact geometry enables the bearing to support significant **moment loads** (3 ft-lbf rated load moment) while maintaining compact **bearing dimensions**. This makes it exceptionally suitable for applications requiring high rotational accuracy and stiffness.
Premium Material Construction: Manufactured from **chrome steel** rings and balls with **brass cage**, this bearing ensures optimal strength, wear resistance, and dimensional stability. The **Endura-kote plating** provides superior surface protection against corrosion in demanding environments.
Precision Engineering: With **ABEC-1 tolerance class** and tight **radial internal clearance** (0.0000 – 0.0005"), the NC055XP0 delivers consistent performance and smooth operation. The precise **bore and outside diameter tolerances** ensure proper fit and alignment in critical applications.
High Load Capacity: The bearing demonstrates exceptional **load ratings** with **radial dynamic load** of 1687 lbf and **axial dynamic load** of 2690 lbf, making it capable of handling substantial combined loads in compact spaces.
NC055XP0 Bearing Typical Application Areas
- Robotics and Automation: Rotary joints, robotic arms, and precision positioning systems
- Aerospace Systems: Actuators, control mechanisms, and satellite components
- Medical Equipment: CT scanners, surgical robots, and diagnostic instruments
- Industrial Machinery: Rotary tables, indexing heads, and precision spindles
- Defense Systems: Radar antennas, targeting systems, and guidance mechanisms
