NC055AR0
3/8" 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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NC055AR0 Bearing Product Overview & Core Advantages
The NC055AR0 is a single row angular contact ball bearing engineered for high-precision applications requiring exceptional performance under combined loads. Featuring inch dimensions and Endura-kote chromium plating, this bearing delivers superior corrosion resistance and durability. Its optimized 30° contact angle enables it to efficiently handle significant radial and axial loads simultaneously, making it ideal for applications demanding high rigidity and precise rotational accuracy. Manufactured to ABEC-1 precision standards, it ensures reliable operation in demanding industrial environments.
NC055AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NC | Endura-kote Plated Bearing Series |
| 055 | Bore Diameter: 5.5 inches |
| A | Angular Contact Design (30° contact angle) |
| R0 | Standard Radial Internal Clearance |
NC055AR0 Bearing Structural Features & Performance Benefits
Premium Material Construction: Manufactured from chrome steel rings and balls with brass cage, ensuring excellent wear resistance and dimensional stability under heavy loads.
Optimized Load Capacity: The 30° contact angle design provides superior combined load handling capabilities, with radial dynamic load rating of 1374 lbf and axial static load rating of 3370 lbf.
Precision Engineering: Built to ABEC-1 tolerance class with tight dimensional tolerances (bore: -0.0010"–0", OD: -0.0010"–0") for consistent performance in precision applications.
Enhanced Durability: Chromium plating coating provides superior corrosion protection, while the open design allows for custom lubrication solutions based on specific operating conditions.
Thermal Performance: Operating temperature range of -30°C to 110°C ensures reliable performance across various industrial environments.
NC055AR0 Bearing Typical Application Areas
- Precision Machine Tools - Spindles and rotary tables requiring high accuracy
- Aerospace Systems - Actuators and control mechanisms
- Industrial Robotics - Joint and articulation points
- Medical Equipment - High-precision imaging and surgical devices
- Semiconductor Manufacturing - Precision positioning systems
- Military and Defense Systems - Radar and targeting equipment
