7006 CDGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7006 CDGB/P4A Bearing Product Overview & Core Advantages
The 7006 CDGB/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. As a single bearing with universal matching capability, it can be mounted in tandem with other identical bearings to form a rigid, preloaded set. Its P4A tolerance class ensures superior dimensional and running accuracy, while the light preload (Class B) minimizes deflection under load, making it ideal for high-speed operation and applications requiring precise shaft positioning.
7006 CDGB/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° contact angle, optimized for combined radial and axial loads. |
| DGB | Universal Matchable (SU) bearing. Can be paired in any combination (back-to-back, face-to-face, or tandem) without loss of preload. |
| P4A | High precision tolerance class, exceeding ABEC 7 standards for enhanced running accuracy and system performance. |
7006 CDGB/P4A Bearing Structural Features & Performance Benefits
Optimized Internal Geometry & Material Selection: The bearing features a 15° contact angle and is manufactured from high-grade chrome steel for both rings and balls, providing excellent wear resistance and fatigue life. The phenolic resin cage offers superior strength and guidance at high rotational speeds, contributing to the impressive limiting speed of 100,500 rpm.
High Rigidity & Load Capacity: The angular contact design enables the 7006 CDGB/P4A to support significant combined loads (both radial and axial). The radial dynamic load rating of 3218 lbf and static load rating of 1800 lbf ensure reliable performance under demanding conditions.
Precision & Matching: The P4A tolerance class guarantees tight control over all bearing dimensions, resulting in minimal runout and vibration. Its universal matchable (SU) design allows for easy assembly of preloaded sets (up to 3 bearings) without selective matching, simplifying inventory and installation.
7006 CDGB/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring extreme precision and rigidity.
- Precision Instrumentation: High-performance measuring devices and optical equipment.
- High-Speed Motors & Spindles: Applications where rotational accuracy and speed are critical.
- Robotics: Arm joints and rotary actuators demanding high positional accuracy and dynamic response.
