71802 ACDGA/P4
71800 Series Super Precision Angular Contact Ball Bearings
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71802 ACDGA/P4 Bearing Product Overview & Core Advantages
The 71802 ACDGA/P4 is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and performance. Manufactured to P4 tolerance class, this metric bearing features a 15 mm bore and compact 5 mm width, making it ideal for space-constrained, high-speed arrangements. Its 25° contact angle and Extra Light (Class A) preload are optimized to handle combined radial and axial loads simultaneously, ensuring smooth operation and high rigidity in precision machinery.
71802 ACDGA/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with 25° contact angle |
| DGA | Universal Matchable (SU) - bearings can be paired in universal arrangement |
| P4 | High Precision Tolerance Class - superior dimensional and running accuracy |
71802 ACDGA/P4 Bearing Structural Features & Performance Benefits
Precision Engineering: The 71802 ACDGA/P4 achieves exceptional running accuracy through P4 tolerance class manufacturing, with tight bore and outside diameter tolerances of -0.004mm to 0.
High-Speed Capability: Featuring a phenolic resin cage and optimized 17-ball configuration with 2.381 mm diameter balls, this bearing supports limiting speeds up to 95,000 rpm while maintaining stability.
Superior Rigidity & Load Capacity: The 25° contact angle and Extra Light preload provide excellent stiffness, enabling the bearing to handle combined loads with radial dynamic load rating of 486 lbf and static rating of 315 lbf.
Universal Matching Design: As a Universal Matchable (SU) bearing, it can be paired with another identical bearing to form a matched set capable of handling bidirectional axial loads and moment loads.
71802 ACDGA/P4 Bearing Typical Application Areas
- High-Speed Machine Tool Spindles - Precision grinding and milling applications
- Precision Instrumentation - Medical devices and measuring equipment
- Aerospace Components - Guidance systems and control mechanisms
- Robotics & Automation - High-precision robotic joints and positioning systems
- Semiconductor Manufacturing Equipment - Wafer handling and processing machinery
