7030 ACD/P4A
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7030 ACD/P4A Bearing Product Overview & Core Advantages
The 7030 ACD/P4A is a single-row angular contact ball bearing designed for applications demanding high precision and superior rigidity. Engineered to a P4 (ABEC-7) tolerance class, it is optimized to handle significant combined loads, accommodating both high radial loads and thrust loads in one direction. Its 25° contact angle provides excellent axial load capacity, making it an ideal choice for high-speed spindles and other precision machinery where accuracy and reliability are paramount. The bearing is supplied with preload for enhanced system stiffness and rotational accuracy.
7030 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Interpretation | Technical Significance |
|---|---|---|
| 7030 | Basic Bearing Number | Defines the standard metric dimensions: 150mm bore, 225mm OD, 35mm width. |
| A | Contact Angle | Specifies a 30° contact angle (Note: This is a common designation; the provided spec is 25°). |
| C | Design/Internal Clearance | Indicates a specific internal design and clearance suitable for preload and high-precision applications. |
| D | Preload | Denotes that the bearing is supplied with a light preload for immediate high rigidity. |
| P4A | Tolerance Class | Signifies an ultra-P4 (ABEC-7) precision grade, ensuring minimal runout and vibration for superior performance. |
7030 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Preload: The single-row angular contact design, combined with the supplied preload (designated by "D"), ensures maximum system stiffness, minimizing deflection under load for exceptional positional accuracy.
- Superior Load Capacity: The 25° contact angle and robust construction enable the bearing to support high radial dynamic load ratings of 36,675 lbf and static load ratings of 40,500 lbf, as well as substantial one-direction axial loads.
- High-Speed Capability: The lightweight and durable phenolic resin cage minimizes centrifugal forces, contributing to a high limiting speed of 8,000 rpm. The open design allows for efficient lubrication management.
- Precision Performance: Manufactured to P4 tolerance with tight dimensional control on the bore diameter, outside diameter, and width, this bearing guarantees smooth, quiet, and vibration-free operation.
- Material Quality: Components made from high-grade chrome steel offer excellent wear resistance and durability, ensuring a long service life under demanding conditions.
7030 ACD/P4A Bearing Typical Application Areas
The 7030 ACD/P4A is engineered for high-performance applications where precision, speed, and rigidity are non-negotiable. Key industries and machinery include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes: Robotics, aerospace, and automotive transmission systems.
- High-Frequency Motors & Spindles: PCB drilling, dental handpieces, and small tool spindles.
- Pumps & Compressors: High-speed centrifugal pumps and compressor shafts.
- Medical Equipment: MRI scanners, centrifuges, and other diagnostic machinery.
