7006 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7006 ACD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.095 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.007mm to 0
Width
13 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
14
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
3105 lbf
Radial static load rating
1721 lbf
Limiting speed
53 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 171.77
/ each
In Stock
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7006 ACD/HCP4A Bearing Product Overview & Core Advantages
The 7006 ACD/HCP4A is a high-precision, single-row angular contact ball bearing engineered for applications demanding exceptional accuracy and high-speed performance. Its defining characteristic is the 25° contact angle, which provides superior axial load capacity in one direction while also handling significant radial loads. Manufactured to a P4 (ABEC-7) tolerance class, this bearing ensures minimal runout and vibration, making it ideal for high-reliability spindles and precision machinery. The combination of a ceramic ball material and a phenolic cage contributes to its high limiting speed and reduced rotational inertia.
7006 ACD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7006 | Standard bore diameter (30 mm) and series designation. |
| AC | Angular Contact design with a 25° contact angle. |
| D | High preload rating for maximum rigidity and precise shaft positioning. |
| HC | Hybrid Ceramic construction, featuring ceramic balls for enhanced performance. |
| P4 | Indicates a P4 tolerance class (equivalent to ABEC-7), signifying ultra-precision manufacturing. |
7006 ACD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single-row angular contact design, combined with a high preload (D), provides exceptional stiffness and minimizes axial and radial deflection under load, which is critical for machining accuracy.
- Superior High-Speed Capability: The use of ceramic balls (Hybrid HC) reduces centrifugal forces and friction, while the lightweight phenolic cage ensures stability and low heat generation, enabling a high limiting speed of 53,000 rpm.
- Optimized Load Capacity: The 25° contact angle is engineered to efficiently handle combined (radial and axial) loads, with a high dynamic load rating of 3105 lbf.
- Precision and Longevity: Manufactured to P4 tolerance with a narrow bore diameter tolerance, this bearing guarantees smooth, quiet operation and extended service life in demanding conditions.
7006 ACD/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: For CNC milling, grinding, and high-speed machining centers requiring utmost precision and rigidity.
- High-Frequency Spindles: In PCB drilling and precision engraving equipment.
- Precision Instruments: Such as optical scanners and measuring devices.
- High-Speed Motors and Pumps: Where low friction and high rotational accuracy are paramount.
