7006 ACDGD/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7006 ACDGD/P4A Bearing Product Overview & Core Advantages
The 7006 ACDGD/P4A is a single-row angular contact ball bearing engineered for applications demanding exceptional precision and rigidity. Designed to accommodate primarily axial loads in one direction, this bearing features a 25° contact angle and Heavy preload (Class D), delivering superior axial stiffness and minimal deflection under load. Manufactured to P4A super-precision tolerance standards, it ensures smooth, quiet operation and high rotational accuracy. Its universal matching capability (SU designation) allows for simplified mounting in pairs to handle combined radial and axial loads, making it an ideal solution for high-precision, high-rigidity spindles and machinery.
7006 ACDGD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| D | Heavy preload (Class D) for maximum rigidity. |
| GD | Grease-filled with a specific lubricant. |
| P4A | Super-precision tolerance class, exceeding ABEC 7 standards. |
7006 ACDGD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The combination of a 25° contact angle and Heavy preload provides exceptional axial stiffness, minimizing shaft displacement and ensuring precise positioning critical for machine tool accuracy.
- Optimized Load Capacity: Engineered to handle significant axial loads in one direction. When mounted in universal matched pairs (SU), the assembly can support combined radial and axial loads efficiently.
- High-Speed Capability: The lightweight phenolic resin cage reduces centrifugal forces, while the precision-ground chrome steel components and optimized internal geometry contribute to a high limiting speed of 71,500 rpm.
- Ready-to-Install & Reliable: The bearing is pre-lubricated, simplifying installation and ensuring immediate, reliable operation within a wide temperature range of -30°C to 110°C.
7006 ACDGD/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC lathes.
- Precision Gearboxes: High-performance transmission systems.
- High-Frequency Motors & Spindles: Motors requiring minimal runout and high rotational accuracy.
- Medical Equipment: High-speed dental handpieces and laboratory centrifuges.
- Robotics: Precision joints and actuators.
