NB047XP0
5/16" Constant Section Bearings
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Part No.
Part No.
NB047XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Endura-kote Plated
Construction
Single Row
Weight
0.34 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
4.75"
Bore diameter tolerance
-0.0010"– 0"
Outside diameter
5.375"
Outside diameter tolerance
-0.0008"– 0"
Width
0.3125"
Width tolerance
+.000 –.005"
Inner Ring Dimensions
Shoulder diameter inner ring
4.981"
Outer Ring Dimensions
Outer ring small-side face inner diameter
5.143"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
1193 lbf
Radial static load rating
2030 lbf
Axial dynamic load rating
1900 lbf
Axial static load rating
5080 lbf
Dynamic load moment
2265 lbf
Static load moment
5140 lbf
Rated load moment
2 ft-lbf
Lubrication
Lubricated
Radial internal clearance
0.0000 – 0.0005"
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Brass
Coating
Chromium Plating
Environment & Compliance
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 144.27
/ each
In Stock
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NB047XP0 Bearing Product Overview & Core Advantages
The NB047XP0 is a single row four-point contact ball bearing engineered for high-performance applications requiring exceptional moment load capacity and precision. Featuring an Endura-Kote chromium plating, this bearing offers superior corrosion resistance and durability. Its compact thin-section design with a 4.75" bore and 0.3125" width provides a space-saving solution without compromising on strength. The bearing is capable of simultaneously supporting radial loads, axial loads, and significant moment loads, making it an ideal choice for demanding, compact assemblies where high rigidity and reliability are paramount.
NB047XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| NB047 | Bore size designation (4.75") | Specifies the precise inner diameter for accurate shaft fitting. |
| X | Extra capacity/Cross section designator | Indicates an optimized design for enhanced load ratings. |
| P0 | Precision class (ABEC-1 equivalent) | Ensures consistent running accuracy and smooth operation for general precision applications. |
NB047XP0 Bearing Structural Features & Performance Benefits
- Four-Point Contact Design: A single bearing row is engineered to support combined radial, axial, and moment loads efficiently, simplifying assembly and reducing the need for multiple bearing arrangements.
- High Moment Load Capacity: With a rated dynamic moment of 2265 lbf and static moment of 5140 lbf, it provides exceptional stability and resistance to tilting forces in applications.
- Thin-Section & Lightweight: The compact cross-section (0.3125" width) and low weight (0.34 lbs) are critical for modern, lightweight machinery design, reducing inertia and saving space.
- Endura-Kote Plating: The chromium plating significantly enhances corrosion resistance, extending service life in challenging environments and providing excellent wear characteristics.
- Pre-Lubricated & Open Seal: Comes pre-lubricated for immediate operation. The open design allows for easy re-lubrication and is suitable for applications where custom sealing solutions are implemented.
NB047XP0 Bearing Typical Application Areas
This bearing is ideally suited for:
- Robotics and Automation: Rotary joints, robotic arms, and precision positioning stages.
- Aerospace & Defense: Actuators, control mechanisms, and radar platforms.
- Medical Equipment: CT scanners, MRI machines, and surgical robot joints.
- Semiconductor Manufacturing: Wafer handling robots and precision stages.
- Industrial Machinery: Turntables, indexing tables, and other applications requiring high moment load capacity in a compact envelope.
