7026 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7026 ACD/HCP4A
Basic Information
System of measurement
Metric
Weight
2.67 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
130 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
200 mm
Outside diameter tolerance
-0.011mm to 0
Width
33 mm
Width tolerance
-0.24mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
22.225 mm
Ball quantity
21
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
31500 lbf
Radial static load rating
33750 lbf
Limiting speed
12 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:
$ 1647.08
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7026 ACD/HCP4A Bearing Product Overview & Core Advantages
The 7026 ACD/HCP4A is a high-precision angular contact ball bearing engineered for applications demanding exceptional accuracy and performance. Its core advantage lies in its ability to handle combined loads—significant radial and axial loads in one direction—simultaneously. Manufactured to a P4 (ABEC-7) tolerance class and featuring a phenolic cage and ceramic balls, this bearing is optimized for high-speed operation and offers superior rigidity and long-term reliability in demanding environments.
7026 ACD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7026 | Basic bearing designation indicating a metric series bearing with a 130 mm bore, 200 mm OD, and 33 mm width. |
| AC | Angular Contact design, optimized for combined loads. |
| D | Signifies a high contact angle of 25°, providing enhanced axial load capacity. |
| HC | Indicates the use of Hybrid Ceramic balls (ceramic balls with steel rings), offering advantages in speed, stiffness, and service life. |
| P4A | Denotes a P4 tolerance class (equivalent to ABEC-7), representing very high precision levels for running accuracy. |
7026 ACD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design with a 25° contact angle and robust construction provides high rigidity, enabling the bearing to support substantial combined radial and axial loads.
- Superior High-Speed Performance: The combination of a lightweight phenolic cage and low-density, hard ceramic balls reduces centrifugal forces and friction, allowing for a high limiting speed of 12,000 rpm.
- Enhanced Durability and Life: Hybrid ceramic construction offers superior wear resistance, reduced thermal expansion, and extended service life compared to all-steel bearings, especially in high-speed and potentially dry-running scenarios.
- Precision Engineering: The P4 tolerance and tight dimensional tolerances on the bore, outside diameter, and width ensure exceptional running accuracy, minimal vibration, and predictable performance in precision machinery.
7026 ACD/HCP4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Motors and Spindles
- Precision Grinding Equipment
- Aerospace Actuation Systems
- High-Speed Pumps and Compressors
