7015 ACD/P4ADFB
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7015 ACD/P4ADFB
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
Duplex Face-to-Face (DF)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7015 ACD/P4ADFB Bearing Product Overview & Core Advantages
The 7015 ACD/P4ADFB is a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This metric system bearing features a Face-to-Face (DF) matched arrangement and a Light preload (Class B), making it ideal for high-precision spindles and other machinery requiring minimal deflection under combined loads. Its primary advantage lies in its ability to handle significant combined radial and axial loads from both directions simultaneously, providing stable and reliable performance in demanding operational conditions.
7015 ACD/P4ADFB Bearing Model Code Explained, Specifications & Naming Convention
The model number 7015 ACD/P4ADFB provides detailed technical specifications:
- 7015: Standard bearing series designation (75mm bore, 115mm OD, 40mm width)
- A: 25° contact angle, optimized for high axial load capacity
- C: Specifies a light preload (Class B) for reduced friction and heat generation
- D: Indicates a Duplex Face-to-Face (DF) mounting arrangement
- P4A: Denotes an ultra-precision tolerance class superior to ABEC 7, ensuring minimal runout and vibration
- DFB: Specifies the matched set of two bearings supplied as a pair for optimal performance
7015 ACD/P4ADFB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex face-to-face arrangement and 25° contact angle create a highly rigid bearing system capable of withstanding substantial combined radial and axial loads from both directions, minimizing shaft deflection.
- Precision Performance: Manufactured to P4A tolerance class with a phenolic resin cage, this bearing ensures exceptional running accuracy, low noise, and minimal vibration, which is critical for high-speed applications.
- Optimized High-Speed Operation: The combination of the lightweight phenolic cage, light preload, and chrome steel components allows for a high limiting speed of 28,000 rpm, reducing centrifugal forces and operational temperatures.
- Superior Material & Construction: Made from high-grade chrome steel for both rings and balls, the bearing offers excellent durability and wear resistance. The open seal type is suitable for systems with centralized lubrication.
7015 ACD/P4ADFB Bearing Typical Application Areas
This high-precision duplex 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 Aerospace Actuators
- Robotic Arms and CNC Rotary Tables
