NB042XP0
5/16" Constant Section Bearings
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Part No.
Part No.
NB042XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Endura-kote Plated
Construction
Single Row
Weight
0.31 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
4.25"
Bore diameter tolerance
-0.0008"– 0"
Outside diameter
4.875"
Outside diameter tolerance
-0.0008"– 0"
Width
0.3125"
Width tolerance
+.000 –.005"
Inner Ring Dimensions
Shoulder diameter inner ring
4.481"
Outer Ring Dimensions
Outer ring small-side face inner diameter
4.643"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
1120 lbf
Radial static load rating
1830 lbf
Axial dynamic load rating
1780 lbf
Axial static load rating
4570 lbf
Dynamic load moment
1917 lbf
Static load moment
4170 lbf
Rated load moment
1 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:
$ 122.34
/ each
In Stock
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NB042XP0 Bearing Product Overview & Core Advantages
The NB042XP0 is a precision four-point contact ball bearing designed for applications requiring exceptional performance in thin-section configurations. This single row bearing features a unique design that enables it to support combined loads, including significant radial, axial, and moment loads simultaneously. Manufactured with Endura-kote plating for enhanced corrosion resistance and built to ABEC-1 precision tolerances, it delivers high reliability and long service life in compact spaces. Its optimized internal geometry and high-quality materials make it an ideal solution for demanding, high-rigidity applications.
NB042XP0 Bearing Model Code Explained, Specifications & Naming Convention
The model number NB042XP0 can be broken down into its key technical specifications:
- NB: Indicates the manufacturer series.
- 042: Represents the bore diameter of 4.25 inches.
- X: Denotes the Extra Cross Section design.
- P0: Specifies the Chromium Plating (Endura-kote) coating for superior corrosion protection.
NB042XP0 Bearing Structural Features & Performance Benefits
- High Rigidity and Moment Load Capacity: The four-point contact design and robust single row construction provide exceptional stiffness, enabling the bearing to withstand substantial dynamic and static load moments (1917 lbf and 4170 lbf respectively) without compromising performance.
- Superior Load Handling: Engineered to support combined loads effectively, with high axial dynamic load rating (1780 lbf) and radial dynamic load rating (1120 lbf), making it versatile for complex loading conditions.
- Precision and Durability: Manufactured to ABEC-1 tolerance standards with a tight radial internal clearance (0.0000 – 0.0005") for smooth, precise operation. The use of Chrome Steel for rings and balls, combined with a Brass cage, ensures high durability and stable performance.
- Corrosion Resistance and Longevity: The Endura-kote Chromium Plating significantly enhances corrosion resistance, extending bearing life in harsh environments. The bearing is pre-lubricated and operates effectively within a temperature range of -30°C to 110°C.
NB042XP0 Bearing Typical Application Areas
This bearing is ideally suited for applications where space is limited, and high performance under combined loads is critical. Typical industries and equipment include:
- Aerospace & Defense: Gimbal systems, rotor heads, and actuation mechanisms.
- Semiconductor Manufacturing: Precision stages, wafer handling robots, and positioning equipment.
- Medical Equipment: Surgical robots, imaging systems (CT/MRI scanners), and diagnostic instruments.
- Industrial Automation: Robotic arms, rotary tables, and precision indexing devices.
