NB075XP0
5/16" Constant Section Bearings
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Part No.
Part No.
NB075XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Endura-kote Plated
Construction
Single Row
Weight
0.53 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
7.5"
Bore diameter tolerance
-0.0012"– 0"
Outside diameter
8.125"
Outside diameter tolerance
-0.0012"– 0"
Width
0.3125"
Width tolerance
+.000 –.005"
Inner Ring Dimensions
Shoulder diameter inner ring
7.731"
Outer Ring Dimensions
Outer ring small-side face inner diameter
7.893"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
1559 lbf
Radial static load rating
3170 lbf
Axial dynamic load rating
2560 lbf
Axial static load rating
7920 lbf
Dynamic load moment
4568 lbf
Static load moment
12380 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:
$ 218.93
/ each
In Stock
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NB075XP0 Bearing Product Overview & Core Advantages
The NB075XP0 is a high-performance Four Point Contact Ball Bearing designed for applications requiring exceptional moment load capacity and precision. This thin section bearing features a single row construction with an open design and is distinguished by its Endura-kote Plated coating. Engineered to simultaneously handle high radial loads and axial loads from both directions, it provides a compact, high-rigidity solution for precision rotary systems. Its inch-series dimensions and ABEC-1 precision make it ideal for space-constrained, high-reliability applications.
NB075XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NB075 | Bore size designation (7.5 inches) |
| XP0 | Specific series identifier for this thin-section, four-point contact design |
| Endura-kote | Chromium plating coating for enhanced corrosion resistance and durability |
| Open | No seals or shields, allowing for custom lubrication schemes |
NB075XP0 Bearing Structural Features & Performance Benefits
- Four Point Contact Design: The raceway geometry enables the bearing to support significant moment loads (4 ft-lbf rated load moment) combined with radial and axial forces, providing exceptional operational stability.
- High Load Capacity: With a radial dynamic load rating of 1559 lbf and an axial dynamic load rating of 2560 lbf, it is engineered for demanding applications.
- Precision Engineering: Manufactured to ABEC-1 tolerance class with tight bore and OD tolerances (-0.0012" to 0"), ensuring smooth, precise rotation and accurate system positioning.
- Durable Construction: Components made from Chrome Steel (rings and balls) and a Brass cage provide high strength, wear resistance, and reliable performance at temperatures from -30°C to 110°C.
- Corrosion Resistance: The Chromium Plating (Endura-kote) significantly enhances corrosion protection, extending service life in challenging environments.
NB075XP0 Bearing Typical Application Areas
- Robotics: Rotary joints and arms where compact size, high moment load capacity, and precision are critical.
- Aerospace & Defense: Radar platforms, gimbal systems, and guidance mechanisms requiring reliable performance under combined loads.
- Medical Equipment: CT scanners and surgical robots utilizing its precision and high rigidity.
- Industrial Automation: Rotary tables, indexing heads, and precision stages.
- Semiconductor Manufacturing: Wafer handling and positioning equipment demanding high accuracy and cleanliness.
