NF047XP4A
3/4" Constant Section Bearings
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Part No.
Part No.
NF047XP4A
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Endura-kote Plated
Construction
Single Row
Weight
2.2 lbs
Tolerance class
ABEC 5F
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
4.75"
Bore diameter tolerance
-0.0010"– 0"
Outside diameter
6.25"
Outside diameter tolerance
-0.0008"– 0"
Width
0.75"
Width tolerance
+.000 –.005"
Inner Ring Dimensions
Shoulder diameter inner ring
5.305"
Outer Ring Dimensions
Outer ring small-side face inner diameter
5.695"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
5048 lbf
Radial static load rating
6210 lbf
Axial dynamic load rating
7530 lbf
Axial static load rating
15520 lbf
Dynamic load moment
10416 lbf
Static load moment
17070 lbf
Rated load moment
10 ft-lbf
Lubrication
Lubricated
Radial internal clearance
.0000" to .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:
$ 157.06
/ each
In Stock
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NF047XP4A Bearing Product Overview & Core Advantages
The NF047XP4A is a high-precision thin section bearing designed for applications requiring exceptional dimensional stability and load capacity. This four-point contact ball bearing features a single row construction with an Endura-Kote chromium plating, offering superior corrosion resistance. Its primary advantage lies in its ability to simultaneously support significant radial loads, axial loads in both directions, and load moments, making it ideal for compact, high-performance assemblies where space and precision are critical.
NF047XP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NF047 | Bearing series designation, indicating a thin-section, four-point contact design with specific inch dimensions. |
| XP4 | Indicates a precision tolerance class equivalent to ABEC 5F, ensuring high running accuracy. |
| A | Specifies the radial internal clearance group (.0000" to .0005"), optimized for precision applications. |
NF047XP4A Bearing Structural Features & Performance Benefits
- Four-Point Contact Design: This unique geometry allows the bearing to handle combined radial and axial loads as well as load moments efficiently with a single row of balls, resulting in a compact and lightweight solution.
- High Load Capacity: Engineered for substantial dynamic and static load ratings (e.g., Axial Static Load: 15,520 lbf), providing reliable performance under demanding conditions.
- Precision Engineering: Manufactured to ABEC 5F tolerance standards with a controlled radial internal clearance, ensuring smooth, low-vibration operation essential for high-accuracy systems.
- Enhanced Durability: The Endura-Kote chromium plating on the rings provides excellent corrosion resistance, while the brass cage ensures stable operation at moderate speeds and reduces wear.
- Pre-lubricated: Comes lubricated from the factory, simplifying installation and providing immediate protection.
NF047XP4A Bearing Typical Application Areas
- Aerospace & Defense: Actuators, control mechanisms, and rotor systems.
- Robotics: Robotic arms, joints, and precision gearboxes requiring high stiffness and moment load capacity.
- Semiconductor Manufacturing: Wafer handling robots and precision stages.
- Medical Equipment: MRI and CT scanner gantries, surgical robots.
- Industrial Machinery: Rotary tables, indexing heads, and other precision motion control equipment.
