7200 ACD/P4ADT
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7200 ACD/P4ADT
Basic Information
System of measurement
Metric
Weight
0.064 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
10 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
30 mm
Outside diameter tolerance
-0.004mm to 0
Width
18 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
10
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
1580 lbf
Radial static load rating
821 lbf
Limiting speed
185 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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7200 ACD/P4ADT Bearing Product Overview & Core Advantages
The 7200 ACD/P4ADT is a precision angular contact ball bearing supplied as a matched duplex tandem (DT) pair. Engineered to the exacting P4A tolerance class, this bearing is designed for applications requiring exceptional running accuracy and high system rigidity. Its core advantage lies in its ability to accommodate high combined loads, particularly substantial axial loads in one direction, making it ideal for high-performance spindles and precision machinery. The duplex tandem arrangement significantly increases axial load capacity and rigidity compared to a single bearing.
7200 ACD/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7200 | Basic bearing series, indicating a 10mm bore, 30mm OD. |
| AC | Angular Contact design with a 25° contact angle. |
| D | Indicates the bearing is supplied as a Duplex set. |
| P4A | Denotes a high-precision tolerance class for superior running accuracy. |
| DT | Specifies the Duplex Tandem arrangement of the matched pair. |
7200 ACD/P4ADT Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem arrangement and 25° contact angle create an exceptionally rigid bearing system capable of supporting high combined radial and axial loads. This configuration is optimized for maximum axial stiffness and load capacity in one direction.
- High-Speed Performance: The lightweight phenolic resin cage minimizes centrifugal forces, reduces friction, and contributes to the high limiting speed of 185,000 rpm, making it a true high-speed bearing.
- Precision Engineering: Manufactured to P4A tolerance class with premium chrome steel rings and balls, this bearing ensures minimal runout and vibration for ultra-smooth operation in the most demanding precision applications.
- Preload & Matched Set: The bearings are supplied as a pre-matched and preloaded duplex set, simplifying installation and guaranteeing optimal performance and high rigidity directly out of the box.
7200 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, and turning centers.
- Precision Spindles: PCB drilling and routing spindles.
- High-Frequency Motors: Spindles for electric motors requiring high rotational accuracy.
- Industrial Pumps & Compressors: Applications demanding high axial rigidity and speed.
