NB050XP0
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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NB050XP0 Bearing Product Overview & Core Advantages
The NB050XP0 is a thin section bearing designed for applications requiring high precision and space optimization. As a Four Point Contact Ball Bearing with Endura-kote Plating, it excels in handling combined loads—simultaneously supporting significant radial and axial loads from any direction. Its compact cross-section (bearing width of only 0.3125") makes it ideal for lightweight, high-stiffness designs. The ABEC-1 precision and chromium plating ensure reliable performance in demanding environments.
NB050XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NB | Manufacturer Series Identifier |
| 050 | Bore Diameter: 5 inches |
| XP | Extra Precision / Performance designation |
| 0 | Open seal type (no contact seal) |
NB050XP0 Bearing Structural Features & Performance Benefits
Four-Point Contact Design: Enables the bearing to handle combined radial and axial loads efficiently in a compact, single-row configuration, reducing the need for multiple bearing arrangements.
Endura-kote Chromium Plating: Provides superior corrosion resistance and reduced friction, extending service life in harsh or lightly lubricated environments.
High Load Capacity: With a radial dynamic load rating of 1236 lbf and axial dynamic load rating of 1980 lbf, it offers robust performance for its thin cross-section.
Precision Engineering: Manufactured to ABEC-1 tolerance with tight radial internal clearance (0.0000 – 0.0005") for smooth, precise operation.
Brass Cage: Ensures stable ball guidance and is suitable for a wide temperature range (-30°C to 110°C).
NB050XP0 Bearing Typical Application Areas
The NB050XP0 is widely used in:
- Aerospace & Defense: Actuators, gimbal systems, and control surfaces
- Robotics: Robotic arms, joints, and precision positioning systems
- Medical Equipment: Imaging devices, surgical robots, and diagnostic instruments
- Semiconductor Manufacturing: Wafer handling and precision stages
- Optical Systems: Rotary stages and mirror mounts requiring minimal deflection
