7004 CE/P4ADGB
7000 Series Super Precision Angular Contact Ball Bearings
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7004 CE/P4ADGB Bearing Product Overview & Core Advantages
The 7004 CE/P4ADGB is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. As a universal matchable (SU) bearing supplied in a matched set of two, it enables simplified installation and optimal preload configuration. Its P4A tolerance class ensures superior dimensional and running accuracy, while the light preload (Class B) provides high rigidity with minimal friction, making it ideal for high-precision spindles and other critical machinery components.
7004 CE/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Significance |
|---|---|---|
| CE | Contact Angle (15°) & Internal Design | Optimized for combined radial and axial loads |
| P4A | High Precision Tolerance Class | Superior running accuracy and dimensional stability |
| DGB | Universal Matchable (SU) Paired Set | Simplified mounting and preload optimization |
7004 CE/P4ADGB 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 running accuracy and dimensional stability for precision applications.
Optimized Load Capacity: With a 15° contact angle and 12 chrome steel balls of 6.35mm diameter, this bearing efficiently handles combined radial and axial loads, featuring dynamic load rating of 2722 lbf and static load rating of 1508 lbf.
High-Speed Performance: The phenolic cage and optimized internal design enable a limiting speed of 100,000 rpm, making it suitable for high-speed spindle applications.
Thermal Stability: The phenolic cage material and chrome steel construction maintain dimensional stability across the operating temperature range of -30°C to 110°C.
7004 CE/P4ADGB Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- Precision Instrumentation - Measuring equipment and laboratory instruments
- High-Speed Motors - Spindle motors and high-RPM drive systems
- Medical Equipment - Dental handpieces and surgical tools
- Aerospace Components - Guidance systems and precision actuators
