708 CD/P4ADGB
Miniature Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
708 CD/P4ADGB
Basic Information
System of measurement
Metric
Weight
0.024 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
8 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
22 mm
Outside diameter tolerance
-0.004mm to 0
Width
14 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
3.969 mm
Ball quantity
9
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
1186 lbf
Radial static load rating
619 lbf
Limiting speed
110 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Light / Class B
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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708 CD/P4ADGB Bearing Product Overview & Core Advantages
The 708 CD/P4ADGB is a metric precision angular contact ball bearing designed for applications requiring exceptional rotational accuracy and high-speed performance. Engineered with a 15° contact angle and Universal Matchable (SU) design, this bearing excels at handling combined radial and axial loads simultaneously. Manufactured to the stringent P4A tolerance class, it delivers superior running accuracy, making it ideal for high-precision, high-reliability machinery where minimal runout and vibration are critical.
708 CD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| C | 15° Contact Angle | Optimized for handling combined loads. |
| D | Light Preload (Class B) | Reduces axial play, enhances system rigidity and positioning accuracy. |
| P4A | High Precision Tolerance Class | Ensures extremely tight dimensional and running accuracy for precision applications. |
| DB | Back-to-Back Matched Set (Universal Matchable) | Allows for simple, precise mounting in a back-to-back arrangement to withstand moment loads. |
708 CD/P4ADGB Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The angular contact design and light preload provide high system rigidity, effectively supporting combined radial and axial loads.
- Superior High-Speed Performance: The phenolic resin cage offers low friction and excellent acceleration characteristics, contributing to the high limiting speed of 110,000 rpm.
- Precision Engineering: Manufactured to P4A tolerance class with a Universal Matchable (SU) designation, ensuring interchangeable, high-precision performance in matched sets.
- Durable Construction: Components made from chrome steel provide high hardness and wear resistance, ensuring long service life under demanding conditions.
708 CD/P4ADGB Bearing Typical Application Areas
The 708 CD/P4ADGB is ideally suited for high-precision, high-speed applications, including:
- Machine Tool Spindles
- High-Frequency Electric Spindles
- Precision Grinding Machines
- Industrial Pumps and Compressors
- Advanced Robotics and Automation Systems
