7015 ACD/P4ADGC
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7015 ACD/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
25 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
18135 lbf
Radial static load rating
20925 lbf
Limiting speed
28 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
In Stock
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7015 ACD/P4ADGC Bearing Product Overview & Core Advantages
The 7015 ACD/P4ADGC is a precision angular contact ball bearing designed for demanding applications requiring high rotational accuracy and rigidity. Engineered to a P4A tolerance class, this bearing excels in supporting combined loads (simultaneous radial and axial loads) with its 25° contact angle. Its universal matchable (SU) design allows for flexible mounting in various preload configurations, while the phenolic cage and optimized internal geometry contribute to superior high-speed performance and smooth operation. This bearing is pre-lubricated for immediate use and is ideal for high-reliability, high-precision machinery.
7015 ACD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
The model number 7015 ACD/P4ADGC provides a detailed technical specification:
- 7015: Basic series designation (75mm bore, 115mm OD, 40mm width).
- A: Denotes a 25° contact angle.
- CD: Indicates a universal matchable (SU) bearing designed for duplex pairs in either Back-to-Back (DB) or Face-to-Face (DF) arrangements.
- P4A: Specifies a very high precision tolerance class, exceeding ABEC 7/ISO Class 4, ensuring minimal runout and vibration.
- DGC: Indicates a moderate preload (Class C) is applied, providing high rigidity and precise shaft positioning.
7015 ACD/P4ADGC Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The angular contact design and 25° contact angle enable the bearing to efficiently handle significant combined loads. The moderate preload (Class C) eliminates internal clearance, resulting in exceptional system stiffness and accurate rotational guidance.
- High-Speed Capability: The lightweight and robust phenolic resin cage ensures stability and low friction at high rotational speeds, contributing to a high limiting speed of 28,000 rpm. The optimized internal geometry further enhances high-speed performance.
- Precision Performance: Manufactured to P4A tolerance class, this bearing guarantees extremely tight dimensional and running accuracy, making it suitable for applications where minimal runout and vibration are critical.
- Universal Matchability: The Universal Matchable (SU) feature allows any two bearings to be paired in DB or DF arrangements without selective matching, simplifying installation and inventory management for duplex sets.
7015 ACD/P4ADGC Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes and High-Frequency Motors.
- Industrial Pumps and Compressors.
- Medical Equipment and Laboratory Instruments.
- Robotic Arms and Automation Systems.
