NB045CP0
5/16" Constant Section Bearings
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Part No.
Part No.
NB045CP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Endura-kote Plated
Construction
Single Row
Weight
0.33 lbs
Tolerance class
ABEC-1
ISO radial rating
1904 lbf
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
4.5"
Bore diameter tolerance
-0.0008"– 0"
Outside diameter
5.125"
Outside diameter tolerance
-0.0008"– 0"
Width
0.3125"
Width tolerance
+.000 –.005"
Inner Ring Dimensions
Shoulder diameter inner ring
4.731"
Outer Ring Dimensions
Outer ring small-side face inner diameter
4.893"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
880 lbf
Radial static load rating
1950 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:
$ 119.83
/ each
In Stock
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NB045CP0 Bearing Product Overview & Core Advantages
The NB045CP0 is a thin section bearing featuring Endura-kote chromium plating for enhanced corrosion resistance. This single row ball bearing is engineered for applications requiring a compact design with a large bore relative to its cross-section. It is designed to handle primarily radial loads and is manufactured to ABEC-1 precision tolerances, making it suitable for moderate-speed, high-reliability applications where space and weight are critical constraints.
NB045CP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NB045 | Indicates a bearing with a 4.5" bore diameter. |
| C | Signifies the radial internal clearance group. |
| P0 | Denotes the Endura-kote chromium plating on all bearing surfaces for superior corrosion protection. |
NB045CP0 Bearing Structural Features & Performance Benefits
- Thin Section Design: The bearing's compact cross-section (0.3125" width) with a large 4.5" bore enables lightweight and space-saving designs in machinery.
- Corrosion Resistance: The chromium plating provides a durable, protective layer, significantly enhancing performance in environments prone to moisture and corrosion.
- High Rigidity & Load Capacity: Constructed from chrome steel for both rings and balls, the bearing offers a radial dynamic load rating of 880 lbf and a static load rating of 1950 lbf, ensuring reliable operation under significant radial stresses.
- Stable Operation: The brass cage ensures smooth ball guidance, reducing friction and wear, which contributes to consistent performance and extended service life.
- Precision Engineering: Manufactured to ABEC-1 tolerance class with tight dimensional control on bore, outside diameter, and width for predictable performance in precision assemblies.
NB045CP0 Bearing Typical Application Areas
- Robotics and Automation Arms
- Aerospace Control Mechanisms
- Medical Imaging and Surgical Equipment
- Semiconductor Manufacturing Machinery
- Precision Optical and Instrumentation Rotators
