7206 ACDGD/P4A
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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7206 ACDGD/P4A Bearing Product Overview & Core Advantages
The 7206 ACDGD/P4A is a single-row angular contact ball bearing designed for applications demanding high precision and exceptional rigidity. Engineered with a 25° contact angle and Heavy preload (Class D), this bearing excels at handling combined radial and axial loads in one direction. Its P4A tolerance class ensures ultra-precise rotational accuracy, making it ideal for high-speed spindles and precision machinery requiring minimal runout and vibration.
7206 ACDGD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| 7206 | Basic designation: 30mm bore, 62mm OD, 16mm width |
| AC | Angular Contact design with 25° contact angle |
| DGD | Heavy preload (Class D) for maximum rigidity |
| P4A | Ultra-precision tolerance class exceeding ABEC 7 standards |
7206 ACDGD/P4A Bearing Structural Features & Performance Benefits
High Rigidity & Precision: The Heavy preload (Class D) configuration eliminates internal clearance, providing exceptional stiffness and precise rotational accuracy critical for machining applications. The P4A tolerance class ensures dimensional stability under load.
Optimized Load Capacity: With a 25° contact angle and robust construction featuring 13 chrome steel balls of 9.525mm diameter, this bearing delivers superior combined load capacity (5265 lbf dynamic, 3442 lbf static).
High-Speed Performance: The phenolic cage reduces friction and weight, enabling operation at limiting speeds up to 100,500 rpm. Factory lubrication ensures immediate readiness for high-speed applications.
Universal Matching Capability: Designed as Universal Matchable (SU), these bearings can be mounted in sets of three to create preloaded bearing arrangements without additional adjustment requirements.
7206 ACDGD/P4A Bearing Typical Application Areas
- Machine Tool Spindles - High-speed machining centers and precision grinding machines
- Precision Instrumentation - Measuring equipment and optical devices requiring minimal runout
- High-Speed Motors - Spindle motors and high-RPM industrial drives
- Aerospace Components - Guidance systems and precision actuators
- Medical Equipment - Dental handpieces and surgical tool spindles
