S7010 CB/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7010 CB/HCP4A
Basic Information
System of measurement
Metric
Weight
0.28 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.006mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.007mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
5.556 mm
Ball quantity
27
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2239 lbf
Radial static load rating
1755 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:
$ 351.61
/ each
In Stock
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S7010 CB/HCP4A Bearing Product Overview & Core Advantages
The S7010 CB/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and rigidity. This single-row bearing features a 15° contact angle and is supplied with a preload, making it ideal for setups where high stiffness and minimal axial/radial deflection are critical. Its construction with ceramic balls and a phenolic cage contributes to superior high-speed performance, reduced weight, and extended service life. This bearing is pre-lubricated and sealed for immediate use and long-term reliability in precision machinery.
S7010 CB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| C | 15° nominal contact angle |
| B | Enhanced internal design for higher stiffness and precision |
| HC | Hybrid Ceramic (Silicon Nitride balls with steel rings) |
| P4 | High precision tolerance class (ABEC-7) |
S7010 CB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The combination of a 15° contact angle, preload, and optimized internal geometry provides exceptional system stiffness, crucial for minimizing deflection under load in precision spindles.
- Superior High-Speed Capability: The hybrid ceramic construction (ceramic balls and steel rings) reduces centrifugal forces, lowers operating temperature, and enables a high limiting speed. The lightweight phenolic cage further enhances dynamic stability at high RPM.
- Extended Service Life and Reliability: Ceramic balls are harder, smoother, and electrically resistant, leading to reduced wear, longer fatigue life, and protection against electrical erosion. The integral seals retain lubrication and protect against contamination.
- Ready-to-Install Convenience: The bearing is pre-lubricated and sealed at the factory, ensuring optimal performance from the start and reducing maintenance requirements.
S7010 CB/HCP4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring utmost precision and rigidity.
- High-Speed Motors and Drives: Where low friction, high limiting speed, and long life are essential.
- Precision Robotics: In arm joints and rotary actuators demanding high accuracy and responsiveness.
- Aerospace and Semiconductor Equipment: For critical components operating at high speeds in demanding environments.
