S7026 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7026 CD/HCP4A
Basic Information
System of measurement
Metric
Weight
2.69 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
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
8 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:
$ 2102.86
/ each
In Stock
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S7026 CD/HCP4A Bearing Product Overview & Core Advantages
The S7026 CD/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and rigidity. This sealed bearing features a single, preloaded arrangement and is manufactured to a P4 (ABEC-7) tolerance class, ensuring minimal runout and superior performance. Its design is optimized to handle combined loads—simultaneously supporting significant radial loads and thrust loads in one direction. The use of ceramic balls and a phenolic cage contributes to its high-speed capability, reduced weight, and extended service life, making it an ideal solution for high-reliability, precision machinery.
S7026 CD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S7026 | Standard bearing series designation. |
| CD | Indicates a 15° contact angle and a specific internal design optimized for high rigidity and precise operation. |
| HC | Signifies the use of Hybrid Ceramic components, specifically ceramic balls, which reduce friction and enable higher speeds. |
| P4 | Denotes the precision tolerance class (ABEC-7), ensuring extremely tight dimensional and running accuracy. |
| A | Indicates the bearing is supplied with a preload for enhanced stiffness and reduced axial/radial deflection under load. |
S7026 CD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The 15° contact angle and preloaded single arrangement provide superior system stiffness, minimizing deflection under combined loads and ensuring precise shaft positioning critical for high-precision applications.
- Enhanced Speed & Durability: The hybrid ceramic design with ceramic balls and a lightweight phenolic resin cage significantly reduces centrifugal forces, allowing for a high limiting speed of 8,000 rpm. This construction also offers excellent wear resistance and a longer operational lifespan.
- Optimized Load Capacity: Engineered with a high dynamic and static load rating (33,300 lbf / 35,100 lbf), this bearing reliably handles demanding radial and one-direction thrust loads.
- Maintenance-Free Operation: The integral seals retain the factory-applied lubricant and effectively shield the precision internals from contaminants, ensuring consistent performance and reducing maintenance needs.
S7026 CD/HCP4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance machinery where precision, speed, and reliability are paramount. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors & Spindles: Where low inertia and high rotational accuracy are required.
- Aerospace & Defense Systems: Gyroscopes, radar platforms, and other precision instrumentation.
- Medical Equipment: High-speed dental handpieces and imaging device rotors.
