7014 ACB/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7014 ACB/HCP4A
Basic Information
System of measurement
Metric
Weight
0.63 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.008mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
28
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
4095 lbf
Radial static load rating
3510 lbf
Limiting speed
28 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:
$ 510.07
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7014 ACB/HCP4A Bearing Product Overview & Core Advantages
The 7014 ACB/HCP4A is a high-precision angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and rigidity. As a single row bearing with a 25° contact angle and P4 (ABEC-7) tolerance class, it is optimized to handle combined loads, particularly high axial loads in one direction. Its core advantages stem from the use of ceramic balls and a phenolic cage, which contribute to high-speed capability, reduced weight, and superior performance in demanding operational environments. The bearing is supplied prelubricated and is available with a preload for enhanced stiffness.
7014 ACB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Standard bearing series designation, indicating a 70mm bore, 110mm OD, and 20mm width. |
| AC | Angular Contact design, optimized for combined radial and axial loads. |
| B | Indicates a 40° contact angle (Note: Specification lists 25°, please verify the exact designation with the manufacturer). |
| HCP4A | A manufacturer-specific suffix. P4 confirms the P4 (ABEC-7) precision tolerance. The full suffix typically denotes features like a phenolic cage, ceramic balls, and a specific preload or internal clearance. |
7014 ACB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The angular contact design and the availability of preload provide high system stiffness, enabling precise positioning and excellent resistance to deflection under combined loads.
- Superior High-Speed Performance: The combination of a lightweight phenolic cage and low-density ceramic (Si3N4) balls significantly reduces centrifugal forces, allowing for a limiting speed of 28,000 rpm. This also results in lower operating temperatures and reduced wear.
- Extended Service Life: Ceramic balls are harder and more wear-resistant than steel, and they provide superior corrosion resistance. Their electrically insulating properties help prevent damage from electrical arcing.
- Precision Engineering: Manufactured to P4 tolerance class, this bearing ensures minimal runout and vibration, which is critical for applications requiring high rotational accuracy.
7014 ACB/HCP4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-performance machinery where speed, accuracy, and reliability are paramount. Key application areas include:
- Machine Tool Spindles
- High-Frequency Motors and Spindles
- Precision Grinding Equipment
- Aerospace and Defense Systems
- Robotic Drives and Actuators
