71805 ACDGA/P4
71800 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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71805 ACDGA/P4 Bearing Product Overview & Core Advantages
The 71805 ACDGA/P4 is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4 tolerance class, this metric bearing delivers superior performance in demanding environments. Its 25° contact angle provides excellent capacity for combined loads, effectively handling both radial and axial forces simultaneously. The phenolic cage and precision-ground chrome steel components ensure stable operation at high speeds up to 103,000 rpm, making it ideal for applications where precision and reliability are critical.
71805 ACDGA/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACD | Angular Contact Design with 25° contact angle | Optimized for combined radial and axial loads |
| GA | Extra Light Preload (Class A) | Reduced friction, ideal for high-speed operation |
| P4 | Super Precision Tolerance Class | Exceptional running accuracy and dimensional stability |
71805 ACDGA/P4 Bearing Structural Features & Performance Benefits
High-Precision Construction: Manufactured to P4 tolerance standards with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional dimensional accuracy and consistent performance.
Optimized Load Capacity: The 25° contact angle and precision geometry enable effective handling of combined radial and axial loads, with dynamic load rating of 878 lbf and static load rating of 686 lbf.
High-Speed Capability: The phenolic resin cage and precision-balanced design support limiting speeds of 103,000 rpm, making it suitable for high-rotation applications.
Universal Matching Design: Designed as Universal Matchable (SU), allowing precise bearing arrangements in sets of three for optimal preload and stiffness control.
Premium Material Selection: Chrome steel rings and balls with phenolic cage provide excellent durability and thermal stability within the operating temperature range of -30°C to 110°C.
71805 ACDGA/P4 Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring P4 accuracy
- High-Speed Motors: Electric spindle motors and high-frequency applications
- Precision Instruments: Measuring equipment and laboratory instruments demanding exceptional accuracy
- Aerospace Components: Guidance systems and flight control mechanisms
- Medical Equipment: Dental handpieces and surgical tool drives
- Robotics: Precision joints and servo motor applications
