7006 ACE/HCP4ADT
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7006 ACE/HCP4ADT Bearing Product Overview & Core Advantages
The 7006 ACE/HCP4ADT is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This duplex tandem (DT) arrangement bearing set is pre-configured to handle primarily unidirectional axial loads with high rigidity. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and reduced rotational mass. Operating within a P4A tolerance class, it guarantees extremely tight dimensional and running accuracy, making it ideal for high-precision, high-reliability spindles and machinery.
7006 ACE/HCP4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7006 | Basic bearing series and size designation (30mm bore, 55mm OD). |
| ACE | Indicates a 25° contact angle and specific internal design optimized for high-speed operation. |
| HC | Signifies the use of Hybrid Ceramic balls (Silicon Nitride), offering reduced weight, higher stiffness, and superior performance at high speeds. |
| P4A | Denotes an ultra-precision tolerance class with enhanced running accuracy requirements beyond standard P4. |
| DT | Specifies a Duplex Tandem preloaded matched set of two bearings, configured to maximize axial load capacity in one direction. |
7006 ACE/HCP4ADT Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem arrangement and 25° contact angle create a highly rigid system capable of supporting significant unidirectional axial loads. The ceramic balls contribute to higher stiffness compared to steel.
- Superior High-Speed Performance: The combination of hybrid ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic resin cage allows for a very high limiting speed of 71,500 rpm, minimizing heat generation and power loss.
- Precision Engineering: Manufactured to P4A tolerance class with extremely tight bore, outside diameter, and width tolerances, ensuring minimal runout and vibration for exceptional rotational accuracy.
- Optimized for Preload: Supplied as a pre-loaded matched set, these bearings are ready for installation, eliminating complex adjustment procedures and guaranteeing consistent, predefined operational stiffness.
7006 ACE/HCP4ADT Bearing Typical Application Areas
This high-precision, high-speed bearing set is engineered for the most demanding applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling and routing spindles.
- High-Frequency Motors: Spindles for aerospace and automotive manufacturing.
- Robotics: High-accuracy rotary joints and arm actuators.
