7016 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7016 CD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.71 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
80 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
125 mm
Outside diameter tolerance
-0.009mm to 0
Width
22 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
14.288 mm
Ball quantity
20
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
14625 lbf
Radial static load rating
13725 lbf
Limiting speed
20 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:
$ 706.03
/ each
In Stock
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7016 CD/HCP4A Bearing Product Overview & Core Advantages
The 7016 CD/HCP4A is a high-precision angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and rigidity. This single bearing features a 15° contact angle and is supplied with a preload, enabling it to handle combined radial and axial loads simultaneously. Manufactured to a P4 (ABEC-7) tolerance class, it guarantees minimal runout and superior performance in high-speed, high-rigidity scenarios. The combination of a ceramic ball and phenolic cage contributes to its high limiting speed and reduced weight, making it an ideal choice for advanced machinery.
Model Code Breakdown
| Suffix Code | Technical Meaning |
|---|---|
| CD | Indicates a duplex bearing set with a specific contact angle and preload level, optimized for high rigidity and precise axial positioning. |
| HC | Signifies the use of Hybrid Ceramic balls (ceramic balls with steel rings), which reduce friction, weight, and heat generation, enabling higher speeds. |
| P4 | Denotes a super-precision tolerance class (equivalent to ABEC-7), ensuring extremely tight dimensional and running accuracy for critical applications. |
| A | Specifies a 30° contact angle (Note: Product data shows 15°. This may indicate a specific internal design variant. The 15° contact angle is a key performance feature). |
7016 CD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The duplex (CD) design and application of preload eliminate internal clearance, resulting in a very stiff bearing system that minimizes deflection under load and maintains precise shaft positioning.
- Superior High-Speed Capability: The hybrid ceramic construction (steel rings with ceramic balls) and lightweight phenolic cage significantly reduce centrifugal forces, lower operating temperatures, and allow for a high limiting speed of 20,000 rpm.
- Excellent Load Capacity: The 15° contact angle is optimized to support substantial combined loads, offering a high dynamic load rating of 14,625 lbf and a static load rating of 13,725 lbf.
- Optimized for Performance: The open seal type allows for customized lubrication schemes, while the P4 tolerance ensures smooth, quiet, and vibration-free operation essential for precision equipment.
7016 CD/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring utmost precision and rigidity.
- High-Frequency Spindles: In PCB drilling and precision engraving machines.
- Advanced Robotics: Particularly in the joints and arms of high-speed, precision robots.
- Aerospace & Defense Systems: In gyroscopes, avionics, and other critical rotating mechanisms.
- Medical Equipment: For high-speed dental handpieces and imaging device rotors.
