7017 CD/P4ADGB
7000 Series Super Precision Angular Contact Ball Bearings
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7017 CD/P4ADGB Bearing Product Overview & Core Advantages
The 7017 CD/P4ADGB is a precision angular contact ball bearing designed for applications requiring exceptional rotational accuracy and high-speed performance. As a universal matchable (SU) bearing supplied in a pre-loaded duplex set, it delivers superior rigidity and can accommodate combined radial and axial loads. Manufactured to P4A tolerance class with a 15° contact angle and light preload (Class B), this bearing is engineered for high-precision machinery where reliability and dimensional stability are critical.
7017 CD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7017 | Basic bearing series with 85 mm bore, 130 mm OD, 44 mm width |
| CD | 15° contact angle and universal matchable duplex arrangement |
| P4A | High precision tolerance class with enhanced running accuracy |
| DGB | Duplex set, back-to-back arrangement with light preload |
7017 CD/P4ADGB Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex back-to-back configuration creates a rigid bearing system that effectively handles combined loads and moment loads. With a radial dynamic load rating of 24,975 lbf and static load rating of 29,025 lbf, this bearing delivers exceptional load-carrying capability.
Precision Performance: Manufactured to P4A tolerance class with tight dimensional controls (bore/OD tolerance: -0.004mm to 0), this bearing ensures minimal runout and vibration for precision applications.
High-Speed Capability: The phenolic cage and optimized internal geometry enable operation at limiting speeds up to 28,000 rpm, making it suitable for high-speed spindles and rotating systems.
Thermal Stability: The phenolic cage material provides excellent dimensional stability across the operating temperature range of -30°C to 110°C, maintaining precision under varying thermal conditions.
7017 CD/P4ADGB Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- Precision Instrumentation - Measuring equipment and laboratory instruments
- High-Speed Rotating Systems - CNC machining centers and precision drills
- Medical Equipment - Diagnostic imaging systems and surgical tools
- Aerospace Components - Guidance systems and flight control mechanisms
