7006 CD/HCP4ADT
Hybrid Ceramic Super Precision Bearings
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7006 CD/HCP4ADT Bearing Product Overview & Core Advantages
The 7006 CD/HCP4ADT is a duplex tandem (DT) angular contact ball bearing designed for applications demanding exceptional precision and high-speed performance. This P4A tolerance class bearing, featuring a ceramic ball and phenolic cage construction, is engineered to handle significant combined loads with high rigidity. Its duplex tandem arrangement provides optimized axial load capacity in one direction, making it ideal for high-precision spindles and other demanding machinery where accuracy and reliability are paramount.
7006 CD/HCP4ADT Bearing Model Code Explained, Specifications & Naming Convention
- 7006: Basic bearing series, indicating a 30mm bore, 55mm OD, and 26mm width.
- C: Represents a 15° contact angle, optimized for high-speed operation and axial load capacity.
- D: Indicates a duplex (two-bearing) set.
- HC: Signifies the use of Hybrid Ceramic balls (steel rings with ceramic balls).
- P4A: Denotes a super-precision tolerance class, exceeding ABEC 7 standards, for exceptional running accuracy.
- DT: Specifies the Duplex Tandem arrangement, where two bearings are mounted to increase axial load capacity in the same direction.
7006 CD/HCP4ADT Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex tandem arrangement and robust construction provide superior system rigidity, enabling the bearing to withstand high combined radial and axial loads.
High-Speed Performance: The combination of a lightweight phenolic cage, low-friction ceramic balls, and a 15° contact angle allows for a very high limiting speed of 71,500 rpm. This design minimizes centrifugal forces and operating temperature.
Precision & Accuracy: Manufactured to a P4A super-precision tolerance, this bearing ensures minimal runout and vibration, which is critical for applications requiring extreme rotational accuracy.
Preload & Matched Set: Supplied as a pre-loaded matched set of 2 bearings, this ensures immediate optimal performance, simplified installation, and consistent operational stiffness.
7006 CD/HCP4ADT Bearing Typical Application Areas
This high-precision, high-speed bearing is ideally suited for:
- Machine Tool Spindles (High-speed milling, grinding, and turning centers)
- Precision Grinding Spindles
- High-Frequency Motors
- Aerospace & Defense Systems (Gyroscopes, navigation systems)
- Semiconductor Manufacturing Equipment
