7006 CDGC/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7006 CDGC/P4A
Basic Information
System of measurement
Metric
Weight
0.11 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.004mm to 0
Width
13 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
14
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3218 lbf
Radial static load rating
1800 lbf
Limiting speed
100.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7006 CDGC/P4A Bearing Product Overview & Core Advantages
The 7006 CDGC/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. Manufactured to P4A tolerance class, it guarantees superior running precision and dimensional stability. Its 15° contact angle and Moderate (Class C) preload are optimized to handle combined loads efficiently, providing robust support for high-speed spindles and precision machinery. This bearing is universally matchable (SU), allowing for flexible mounting arrangements in sets to achieve the required stiffness and performance.
7006 CDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7006 | Basic bearing series and size designation (30mm bore, 55mm OD, 13mm width). |
| C | 15° nominal contact angle. |
| DG | Universal Matchable (SU) bearing. Two bearings can be paired face-to-face (DF), back-to-back (DB), or in tandem (DT) to manage specific load and rigidity requirements. |
| C | Moderate preload (Class C). |
| P4A | High-precision tolerance class, exceeding ABEC 7 standards, ensuring minimal runout and vibration. |
7006 CDGC/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The P4A tolerance class and controlled preload ensure minimal axial and radial play, delivering exceptional stiffness and rotational accuracy critical for machine tool spindles.
- Superior Load Capacity: The 15° contact angle is engineered to support significant combined radial and axial loads simultaneously, making it ideal for complex loading conditions.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the precision-ground chrome steel components contribute to a high limiting speed of 100,500 rpm, suitable for demanding high-speed applications.
- Universal Matching Capability: Designated as Universal Matchable (SU), these bearings can be supplied in sets of three and mounted in various configurations (DF, DB, DT) to achieve specific system rigidity and load-sharing characteristics without selective assembly.
7006 CDGC/P4A Bearing Typical Application Areas
This bearing is ideally suited 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 Grinding Spindles: Internal and external grinding machines.
- High-Frequency Motors: Spindles for PCB drilling and other high-RPM electric motors.
- Robotics: High-accuracy joints and arm assemblies.
