7015 CD/P4ADGC
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7015 CD/P4ADGC
Basic Information
System of measurement
Metric
Weight
1.26 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
115 mm
Outside diameter tolerance
-0.004mm to 0
Width
40 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
19170 lbf
Radial static load rating
22050 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 325.93
/ each
In Stock
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7015 CD/P4ADGC Bearing Product Overview & Core Advantages
The 7015 CD/P4ADGC is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. As a Universal Matchable (SU) bearing supplied in a pre-set pair, it is engineered to accommodate combined loads—simultaneously handling significant radial and axial forces. Its P4A tolerance class ensures ultra-precise dimensions and running accuracy, making it ideal for high-speed spindles and other high-precision machinery. The phenolic cage and optimized 15° contact angle contribute to superior high-speed performance and smooth operation.
7015 CD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Specifies a 15° contact angle and indicates the bearing is part of a Universal Matchable (SU) pair, designed to be mounted in a specific arrangement (back-to-back, face-to-face, or tandem) to achieve the required preload and rigidity. |
| P4A | Denotes an ultra-precision tolerance class. This classification guarantees extremely tight limits on bore diameter, outside diameter, width, and running accuracy, which is critical for applications with minimal run-out and vibration. |
| DGC | Indicates the bearing is lubricated and comes with a Moderate preload (Class C). This pre-set internal load enhances system stiffness and positioning accuracy without requiring complex adjustment during installation. |
7015 CD/P4ADGC Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The Universal Matchable (SU) pair design allows for optimized bearing arrangements that provide high system rigidity. This enables the bearing set to effectively handle combined radial and axial loads, ensuring stable performance under demanding operating conditions.
- Superior High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the 15° contact angle is optimized for high-speed operation. Together, they enable a high limiting speed of 22,000 rpm, making this bearing suitable for spindle applications.
- Precision and Accuracy: Manufactured to P4A tolerance class, this bearing guarantees minimal dimensional variation and exceptional running accuracy. This is essential for applications requiring high positional repeatability and low vibration.
- Optimized for Matched Sets: Supplied as a pre-lubricated and pre-loaded pair, the bearings are ready for installation, simplifying the assembly process and ensuring consistent, high-performance outcomes in precision systems.
7015 CD/P4ADGC Bearing Typical Application Areas
The 7015 CD/P4ADGC is ideally suited for high-precision, high-speed rotational systems. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Applications demanding extreme accuracy and surface finish quality.
- High-Frequency Motors and Spindles
- Medical and Dental Equipment: High-speed handpieces and scanners.
- Aerospace and Defense Instrumentation: Gyroscopes and other precision guidance systems.
