7014 ACD/P4ADT
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7014 ACD/P4ADT
Basic Information
System of measurement
Metric
Weight
1.19 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
110 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
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
17842 lbf
Radial static load rating
19462 lbf
Limiting speed
29 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Available
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
Price available upon request.
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7014 ACD/P4ADT Bearing Product Overview & Core Advantages
The 7014 ACD/P4ADT is a precision angular contact ball bearing supplied as a matched duplex tandem (DT) pair. This configuration is engineered to deliver exceptional high rigidity and axial load capacity in a single direction, making it ideal for demanding applications requiring high-speed operation and precise shaft positioning. Manufactured to P4A tolerance class, it guarantees superior running accuracy and rotational performance for critical machinery.
7014 ACD/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact, Duplex arrangement. Indicates the bearing is supplied as a pre-matched set. |
| DT | Duplex Tandem. The two bearings are mounted in a tandem configuration to maximize axial load capacity in one direction. |
| P4A | High Precision Tolerance Class. Specifies extremely tight dimensional and running accuracy tolerances, superior to ABEC 7. |
7014 ACD/P4ADT Bearing Structural Features & Performance Benefits
- High Rigidity & Axial Load Capacity: The duplex tandem (DT) arrangement combines two bearings to create an exceptionally stiff bearing system capable of supporting high unidirectional axial loads and moment loads.
- Precision & High-Speed Performance: The P4A tolerance class ensures minimal runout and vibration. The phenolic resin cage is lightweight and robust, contributing to stable operation at high rotational speeds up to 29,000 rpm.
- Optimized Internal Geometry: With a 25° contact angle and precisely sized balls, this bearing is optimized for high-speed applications where rigidity and axial load support are critical.
- Superior Material & Preload: Constructed from chrome steel for both rings and balls, offering high fatigue life. The bearings are supplied with a preload for immediate, precise performance without requiring adjustment.
7014 ACD/P4ADT Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where precision, speed, and rigidity are paramount. Key applications include:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Spindles for PCB drilling and routing
- High-Frequency Motors
- Axial Compressors and Pumps
- Advanced Robotics and Automation Systems
