7017 ACD/P4ADGB
7000 Series Super Precision Angular Contact Ball Bearings
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7017 ACD/P4ADGB Bearing Product Overview & Core Advantages
The 7017 ACD/P4ADGB is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to a P4A tolerance class, this bearing excels in high-speed and high-precision environments. Its key advantage lies in its ability to accommodate combined loads (radial and axial) simultaneously, making it an ideal choice for complex loading conditions. The Universal Matchable (SU) designation allows for flexible mounting in preloaded pairs, simplifying installation and ensuring optimal performance. With a light preload (Class B) and a 25° contact angle, it delivers superior running accuracy and system stiffness.
7017 ACD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7017 | Basic bearing series and size designation (85mm bore, 130mm OD, 44mm width) |
| ACD | 25° contact angle design, optimized for high axial load capacity |
| P4A | High precision tolerance class exceeding ABEC 7, ensuring minimal runout and vibration |
| DGB | Universal Matchable (SU) bearing pair, supplied with a light preload (Class B) |
7017 ACD/P4ADGB Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The angular contact design and 25° contact angle provide excellent resistance to combined radial and axial loads. The phenolic cage ensures stable operation under high-speed conditions.
Precision Performance: Manufactured to P4A tolerance standards with tight dimensional controls (bore/OD tolerance: -0.004mm to 0), this bearing guarantees superior running accuracy and minimal vibration for precision machinery.
High-Speed Capability: The lightweight phenolic cage and optimized internal geometry contribute to a high limiting speed of 17,000 rpm, making it suitable for demanding high-speed applications.
Matched Set Advantage: As a Universal Matchable (SU) bearing supplied in a preloaded pair (DGB suffix), it offers simplified installation and immediate optimal performance without additional adjustment.
7017 ACD/P4ADGB Bearing Typical Application Areas
The 7017 ACD/P4ADGB is ideally suited for high-precision and high-speed applications including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Aerospace Control Systems
- Medical Imaging Devices
- Robotic Arm Joints
