7207 ACD/P4ADGA
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7207 ACD/P4ADGA
Basic Information
System of measurement
Metric
Weight
0.57 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
72 mm
Outside diameter tolerance
-0.004mm to 0
Width
34 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
13
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
11115 lbf
Radial static load rating
9338 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
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:
$ 162.17
/ each
In Stock
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7207 ACD/P4ADGA Bearing Product Overview & Core Advantages
The 7207 ACD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing supplied in a pre-set duplex pair, it excels at handling combined loads—simultaneously supporting significant radial and axial loads in both directions. Its P4A super-precision tolerance and extra light preload (Class A) make it ideal for high-speed spindles and other high-reliability machinery where minimal runout and thermal stability are critical.
7207 ACD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance |
|---|---|---|
| ACD | 25° Contact Angle, Duplex Bearing | Optimized for high axial load capacity and rigidity. |
| P4A | Super Precision Tolerance Class | Guarantees extremely tight dimensional and running accuracy for superior performance. |
| DGA | Universal Matchable (SU) Arrangement | Two bearings are supplied as a pre-matched set (DB or DF configuration) for simplified installation and optimal performance. |
7207 ACD/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex pair configuration creates a highly rigid system capable of withstanding complex combined loads. The 25° contact angle is engineered to provide excellent axial load support in both directions.
- Super-Precision Performance: Manufactured to P4A tolerance class, this bearing ensures minimal vibration and extreme running accuracy, which is paramount for applications like machine tool spindles.
- Optimized High-Speed Operation: The lightweight phenolic resin cage reduces centrifugal forces, contributing to a high limiting speed of 41,000 rpm. The extra light preload minimizes friction and heat generation at high velocities.
- Premium Material Construction: Made from chrome steel for both rings and balls, the bearing offers high fatigue life and durability under demanding operating conditions.
7207 ACD/P4ADGA Bearing Typical Application Areas
This bearing is specifically engineered for high-performance applications, including:
- Machine Tool Spindles: CNC machining centers, grinding spindles.
- High-Speed Precision Drives: Electric motors, high-frequency spindles.
- Robotics: Precision joints and arm assemblies.
- Aerospace & Defense Systems: Gyroscopes, radar equipment.
- Medical Equipment: High-speed dental handpieces, imaging devices.
