7006 CE/P4ADBA
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 CE/P4ADBA Bearing Product Overview & Core Advantages
The 7006 CE/P4ADBA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. This duplex back-to-back (DB) matched set delivers superior high rigidity and can accommodate combined loads (radial and axial). Manufactured to P4A tolerance class with an extra light preload, it ensures smooth operation and precise rotational characteristics, making it ideal for high-speed spindles and precision machinery.
7006 CE/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7006 | Basic bearing series and size designation (30mm bore, 55mm OD, 26mm width) |
| CE | Specific internal design and contact angle optimization |
| P4A | High precision tolerance class with enhanced running accuracy |
| DB | Duplex Back-to-Back arrangement for maximum rigidity and moment load capacity |
| A | Extra light preload for minimal friction and optimal high-speed performance |
7006 CE/P4ADBA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex back-to-back configuration creates a rigid bearing system that effectively resists moment loads and accommodates combined radial and axial loads. The 15° contact angle provides optimal load distribution.
Precision Performance: Manufactured to P4A tolerance class with tight dimensional control (bore/OD tolerance: -0.004mm to 0), ensuring minimal runout and vibration for high-precision applications.
High-Speed Capability: The phenolic cage offers excellent strength-to-weight ratio, contributing to the impressive limiting speed of 100,500 rpm. The extra light preload minimizes friction for efficient high-speed operation.
Premium Material Construction: Manufactured from chrome steel for both rings and balls, providing high hardness, wear resistance, and long service life under demanding conditions.
7006 CE/P4ADBA Bearing Typical Application Areas
- Machine Tool Spindles - High-speed machining centers and precision grinding machines
- Precision Instrumentation - Measuring equipment and optical devices requiring minimal vibration
- High-Speed Motors - Spindle motors and servo drives demanding precise rotation
- Aerospace Components - Guidance systems and auxiliary power units
- Medical Equipment - Dental handpieces and laboratory automation systems
