7026 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7026 CD/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
15 °
Ball & Washer Dimensions
Ball diameter
22.225 mm
Ball quantity
21
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
33300 lbf
Radial static load rating
35100 lbf
Limiting speed
13 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:
$ 1647.13
/ each
In Stock
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7026 CD/HCP4A Bearing Product Overview & Core Advantages
The 7026 CD/HCP4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and speed capability. Featuring a 15° contact angle and P4 (ABEC-7) tolerance class, this bearing is designed to handle significant axial loads in one direction while supporting combined radial and axial loads. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and reduced rotational inertia. The bearing is supplied pre-lubricated and is available with a preload for enhanced system rigidity and precise shaft positioning.
7026 CD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| CD | Indicates a high-precision, duplex bearing configuration. In this context, it signifies a preloaded, single bearing optimized for high rigidity and minimal axial/radial runout. |
| HC | Denotes the use of Hybrid Ceramic balls (Silicon Nitride), which provide benefits such as lower density, higher stiffness, and superior performance at high speeds and temperatures. |
| P4A | Specifies the tolerance class P4 (ABEC-7) with additional geometrical tolerances (suffix 'A') for exceptional dimensional and running accuracy, crucial for precision spindle applications. |
7026 CD/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed Capability: The combination of ceramic balls and a lightweight phenolic resin cage significantly reduces centrifugal forces and friction, enabling a high limiting speed of 13,000 rpm.
- High Rigidity & Precision: Manufactured to P4A tolerance class and available with preload, this bearing ensures minimal deflection under load, providing exceptional rotational accuracy and system stiffness.
- Optimized Load Capacity: The 15° contact angle is engineered to efficiently support substantial axial loads in one direction, as well as combined loads, making it ideal for applications with demanding load requirements.
- Hybrid Ceramic Advantages: Ceramic balls offer lower thermal expansion, electrical insulation, and extended service life due to superior wear resistance and the ability to operate with minimal lubrication.
7026 CD/HCP4A Bearing Typical Application Areas
This high-precision angular contact bearing is ideally suited for applications demanding high speed, rigidity, and accuracy, including:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Medical Equipment (Dental handpieces, laboratory centrifuges)
- Aerospace & Defense Systems (Gyroscopes, radar systems)
- High-Frequency Motors and Spindles
- Semiconductor Manufacturing Equipment
