7006 ACD/P4ADT
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7006 ACD/P4ADT
Basic Information
System of measurement
Metric
Weight
0.22 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.004mm to 0
Width
26 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°C to 110 °C
Radial dynamic load rating
4972 lbf
Radial static load rating
3442 lbf
Limiting speed
53 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
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7006 ACD/P4ADT Bearing Product Overview & Core Advantages
The 7006 ACD/P4ADT is a precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This duplex tandem (DT) arrangement consists of two matched bearings, preloaded to deliver superior axial stiffness and handle significant combined loads. Manufactured to P4A tolerance class, it ensures high running accuracy and is ideal for high-speed spindles and precision machinery where uncompromising performance is critical.
7006 ACD/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7006 | Standard bearing series designation with 30mm bore, 55mm OD. |
| AC | Angular Contact design with a 25° contact angle. |
| D | Duplex (Two bearings in a set). |
| P4A | High precision tolerance class for enhanced running accuracy. |
| DT | Duplex Tandem arrangement, configured to handle heavy unidirectional axial loads. |
7006 ACD/P4ADT Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem arrangement and preload create an exceptionally rigid system capable of supporting high combined loads and heavy unidirectional axial thrust.
- Precision Performance: Manufactured to P4A tolerance class with a 25° contact angle, this bearing ensures high running accuracy, minimal vibration, and precise shaft positioning.
- Optimized High-Speed Operation: The lightweight phenolic cage and chrome steel components contribute to low inertia and stable operation at high rotational speeds, with a limiting speed of 53,000 rpm.
- Durability & Reliability: Constructed from high-grade chrome steel for rings and balls, this bearing offers excellent wear resistance and a long service life under demanding conditions.
7006 ACD/P4ADT Bearing Typical Application Areas
This bearing is engineered for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Aerospace Actuation Systems
- High-Speed Pumps and Compressors
