7006 ACE/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7006 ACE/P4A Bearing Product Overview & Core Advantages
The 7006 ACE/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. This P4 (ABEC-7) tolerance class bearing is designed to accommodate high combined loads, primarily thrust loads in one direction, while simultaneously supporting significant radial loads. Its optimized internal geometry, including a 25° contact angle, ensures superior performance in demanding, high-speed environments. The bearing is pre-lubricated for immediate use and features an open design for application-specific lubrication management, making it an ideal solution for machine tool spindles and other precision machinery.
7006 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7006 | Basic bearing series and size designation (30mm bore, 55mm OD, 13mm width) |
| ACE | Internal design code indicating optimized internal geometry and a 25° contact angle for high thrust capacity |
| P4A | Tolerance class designation, equivalent to ABEC-7, signifying very high running accuracy |
7006 ACE/P4A Bearing Structural Features & Performance Benefits
High Rigidity & Precision: Manufactured to P4 tolerance class standards, this bearing ensures minimal runout and vibration, which is critical for applications requiring high positional accuracy. The phenolic resin cage contributes to smooth operation at high speeds.
Superior Load Capacity: The 25° contact angle and robust construction enable the bearing to handle significant combined loads, offering excellent performance where high radial and one-directional axial loads are present.
Optimized High-Speed Performance: The lightweight phenolic cage and precision-ground chrome steel components allow for a high limiting speed of 54,000 rpm, making it suitable for demanding spindle applications.
Versatile Lubrication: The open seal type allows for flexibility in lubrication systems, enabling the use of oil mist, oil jet, or grease replenishment as required by the specific application.
7006 ACE/P4A Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles (milling, grinding, and lathe spindles)
- High-Speed Motors and Spindle Drives
- Precision Gearboxes
- Medical Equipment (high-speed dental handpieces, centrifuges)
- Aerospace Actuation Systems
