7030 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7030 ACD/HCP4A
Basic Information
System of measurement
Metric
Weight
3.44 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
150 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
225 mm
Outside diameter tolerance
-0.011mm to 0
Width
35 mm
Width tolerance
-0.24mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
23.812 mm
Ball quantity
22
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
36675 lbf
Radial static load rating
40500 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 2177.42
/ each
In Stock
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7030 ACD/HCP4A Bearing Product Overview & Core Advantages
The 7030 ACD/HCP4A is a high-precision angular contact ball bearing engineered for applications demanding exceptional accuracy and performance. Its primary advantage lies in its ability to accommodate combined loads—simultaneously handling significant radial and axial forces in one direction. Manufactured to P4 (ABEC-7) tolerance class, it guarantees superior running accuracy and rotational stability. The combination of a ceramic ball material and a phenolic cage contributes to its high-speed capability, low friction, and extended service life, making it an ideal choice for high-reliability and high-rigidity spindle systems.
7030 ACD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Advantage |
|---|---|---|
| A | 25° Contact Angle | Optimized for high axial load capacity while maintaining good radial load performance. |
| CD | High Precision, Duplex Configuration | Indicates a bearing designed for a specific preload and mounting arrangement (in this case, a single bearing ready for a matched pair setup). |
| HC | Hybrid Ceramic | Features ceramic balls, offering benefits like higher speed, reduced weight, and electrical insulation. |
| P4A | P4 (ABEC-7) Tolerance Class | Guarantees extremely tight dimensional and running accuracy for superior performance in precision applications. |
7030 ACD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The 25° contact angle and robust internal geometry are engineered to provide high rigidity, enabling the bearing to effectively support combined radial and axial loads.
- Superior High-Speed Performance: The use of a lightweight phenolic resin cage and low-density ceramic balls significantly reduces centrifugal forces, allowing for a high limiting speed of 10,000 rpm. This results in lower operating temperatures and higher system efficiency.
- Precision and Longevity: Manufactured to a P4 tolerance class, this bearing ensures minimal vibration and precise rotation. The open seal type allows for optimized lubrication management in controlled environments, while the ceramic balls offer increased durability and resistance to wear.
- Preload Availability: The design supports preloading, which eliminates internal clearance and increases system stiffness for applications requiring high positional accuracy.
7030 ACD/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where precision, speed, and rigidity are paramount. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling and routing machines.
- High-Frequency Motors: Spindles for electric vehicles and industrial automation.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and other precision instruments.
