NB070XP0
5/16" Constant Section Bearings
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Part No.
Part No.
NB070XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Endura-kote Plated
Construction
Single Row
Weight
0.5 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
7"
Bore diameter tolerance
-0.0010"– 0"
Outside diameter
7.625"
Outside diameter tolerance
-0.0012"– 0"
Width
0.3125"
Width tolerance
+.000 –.005"
Inner Ring Dimensions
Shoulder diameter inner ring
7.231"
Outer Ring Dimensions
Outer ring small-side face inner diameter
7.393"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
1498 lbf
Radial static load rating
2970 lbf
Axial dynamic load rating
2450 lbf
Axial static load rating
7420 lbf
Dynamic load moment
4109 lbf
Static load moment
10850 lbf
Rated load moment
4 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:
$ 208.26
/ each
In Stock
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NB070XP0 Bearing Product Overview & Core Advantages
The NB070XP0 is a high-performance **Four Point Contact Ball Bearing** engineered for applications requiring exceptional moment load capacity within compact dimensions. This **inch-series bearing** features a 7" bore and specialized **Endura-kote Plated** surface treatment, delivering superior corrosion resistance and extended service life. Its unique **single row design** with four-point contact geometry enables it to simultaneously handle significant **radial loads**, **axial loads** in both directions, and critically high **moment loads**, making it an ideal solution for precision rotary systems where space constraints and **high rigidity** are paramount.
NB070XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| NB070 | Basic bearing designation indicating size series (7" bore) |
| XP0 | Signifies the **Endura-kote Plated** coating for enhanced corrosion resistance and durability |
| Open | No seals/shields, allowing for custom lubrication schemes and maximum speed capability |
| ABEC-1 | Standard precision class suitable for most industrial applications |
NB070XP0 Bearing Structural Features & Performance Benefits
- Four-Point Contact Design: The optimized raceway and ball geometry creates four distinct contact points, enabling a single row bearing to withstand substantial combined loads (radial, axial, and moment) efficiently, replacing the need for more complex bearing arrangements.
- High Moment Load Capacity: Engineered with a static load moment rating of 10,850 lbf-in and a dynamic load moment of 4,109 lbf-in, it provides exceptional stability and resistance to tilting forces in critical applications.
- Thin-Section & Lightweight: With a cross-section of only 0.3125" and a weight of just 0.5 lbs, it offers a compact, space-saving solution without compromising on load ratings or performance.
- Premium Material & Plating: Constructed from Chrome Steel rings and balls with a Brass cage, and enhanced with a Chromium Plating (Endura-kote), it delivers excellent wear resistance and protection against corrosive environments.
- Precision Performance: Manufactured to ABEC-1 tolerance with a controlled radial internal clearance, it ensures smooth, reliable operation and consistent performance.
NB070XP0 Bearing Typical Application Areas
- Robotics and Automation: Rotary joints, robotic arms, and precision positioning stages where moment loads and compact bearing dimensions are critical.
- Aerospace & Defense: Actuator systems, radar platforms, and guidance systems requiring high reliability and corrosion-resistant plated bearings.
- Medical Equipment: CT scanners, MRI systems, and surgical robots demanding smooth motion, high precision, and high rigidity.
- Semiconductor Manufacturing: Wafer handling robots and precision stages that operate under strict cleanliness and performance standards.
- Industrial Machinery: Rotary tables, indexing heads, and other equipment where managing combined loads in a compact envelope is essential.
