7017 ACEGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7017 ACEGB/P4A Bearing Product Overview & Core Advantages
The 7017 ACEGB/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Designed to accommodate combined loads (radial and axial loads in one direction), this bearing features a 25° contact angle and P4A super-precision tolerance class for superior running accuracy. Its light preload (Class B) ensures minimal deflection under operational stresses, making it ideal for high-speed spindles and precision machinery where high rigidity and reliable performance are critical.
7017 ACEGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7017 | Basic bearing designation: 85 mm bore, 130 mm OD, 22 mm width |
| AC | Angular Contact design with 25° contact angle |
| E | Optimized internal design for enhanced load capacity |
| GB | Universal Matchable (SU) - bearings can be paired in any combination |
| P4A | Super precision tolerance class for exceptional running accuracy |
7017 ACEGB/P4A Bearing Structural Features & Performance Benefits
High-Precision Construction: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional dimensional stability and running accuracy.
Enhanced Load Capacity: Features 26 chrome steel balls with 11.112 mm diameter and optimized internal geometry (E-design), providing a dynamic load rating of 7312 lbf and static load rating of 6300 lbf for reliable performance under combined loads.
High-Speed Capability: The phenolic resin cage and precision-ground components enable operation at limiting speeds up to 28,000 rpm, making it suitable for high-speed applications.
Universal Matching Design: As a Universal Matchable (SU) bearing, two bearings can be arranged in any combination (back-to-back, face-to-face, or tandem) to accommodate specific load requirements and preload conditions.
Premium Material Selection: Constructed from chrome steel for both rings and balls, providing excellent wear resistance and durability across the operating temperature range of -30°C to 110°C.
7017 ACEGB/P4A Bearing Typical Application Areas
The 7017 ACEGB/P4A is specifically designed for high-precision machinery and equipment including:
- Machine Tool Spindles - High-speed milling and grinding spindles requiring superior accuracy
- Precision Gearboxes - Industrial transmission systems demanding high rigidity
- High-Speed Motors - Electric motors and servo drives operating at elevated speeds
- Medical Equipment - Diagnostic imaging systems and surgical tools
- Aerospace Components - Guidance systems and flight control mechanisms
- Robotics - Precision joints and articulation points in industrial robots
