7032 ACDGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7032 ACDGA/P4A Bearing Product Overview & Core Advantages
The 7032 ACDGA/P4A is a single-row angular contact ball bearing designed for applications requiring high precision and exceptional performance under combined loads. Manufactured to P4A tolerance class, this bearing delivers superior running accuracy and dimensional stability. Its 25° contact angle provides optimal capacity for handling both radial and axial loads simultaneously. The phenolic cage and universal matching capability (SU) make it ideal for high-speed spindle arrangements and precision machinery where rigidity and thermal stability are critical.
7032 ACDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| AC | Angular Contact Design | Optimized for combined radial and axial loads |
| DGA | Extra Light Preload (Class A) | Reduced friction and heat generation at high speeds |
| P4A | High Precision Tolerance Class | Superior running accuracy and dimensional stability |
7032 ACDGA/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance standards with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional running accuracy for precision applications.
Optimized Load Capacity: With a 25° contact angle and 22 chrome steel balls of 25.4mm diameter, this bearing achieves a dynamic load rating of 40,950 lbf and static load rating of 45,900 lbf, providing reliable performance under combined loading conditions.
High-Speed Capability: The phenolic cage material and extra light preload (Class A) enable a limiting speed of 6,300 rpm, making it suitable for high-speed spindle applications.
Thermal Stability: The phenolic cage offers excellent dimensional stability across the operating temperature range of -30°C to 110°C, maintaining precision under thermal variations.
7032 ACDGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles
- Precision Instrumentation: Measuring equipment and laboratory instruments
- High-Speed Motors: Industrial motors and servo drives requiring precision bearings
- Aerospace Components: Guidance systems and precision positioning mechanisms
- Medical Equipment: High-speed dental handpieces and surgical tools
