S7001 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7001 CD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.018 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
12 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
28 mm
Outside diameter tolerance
-0.005mm to 0
Width
8 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
10
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1010 lbf
Radial static load rating
428 lbf
Limiting speed
80 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:
$ 81.01
/ each
In Stock
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S7001 CD/HCP4A Bearing Product Overview & Core Advantages
The S7001 CD/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and speed capability. This single-row bearing features a 15° contact angle, enabling it to support combined radial and axial loads simultaneously. Manufactured to ABEC-7 / P4 tolerance class, it guarantees minimal runout and vibration. Its core advantages include superior high-speed performance facilitated by a phenolic cage and ceramic balls, along with a factory-applied lubricant for immediate operation within a wide temperature range.
S7001 CD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| S7001 | Series designation for a high-precision, 15° contact angle angular contact bearing. | Defines the bearing's fundamental geometry and performance family. |
| CD | Indicates a duplex pair with a specific preload. | Provides high rigidity and precise shaft positioning. |
| HC | Hybrid Ceramic: Signifies ceramic balls with steel rings. | Enables higher speeds, reduced weight, longer life, and non-conductive operation. |
| P4 | Tolerance class equivalent to ABEC-7. | Ensures ultra-precision with tight dimensional and running accuracy tolerances. |
S7001 CD/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, lowers operating temperature, and extends service life, making it ideal for high-speed applications up to 80,000 rpm.
- Phenolic Resin Cage: This lightweight and robust cage material offers excellent dimensional stability and low friction at high rotational speeds, contributing to the bearing's exceptional limiting speed.
- Preloaded Duplex Design (CD): The bearing is supplied as a matched set with a controlled preload. This eliminates internal clearance, resulting in greatly increased system rigidity and superior rotational accuracy.
- Pre-Lubricated & Sealed: Factory-applied lubricant and integrated seals protect against contamination, ensuring consistent performance and reducing maintenance requirements.
S7001 CD/HCP4A Bearing Typical Application Areas
This precision bearing is specifically designed for high-performance machinery, including:
- High-Frequency Spindles for CNC machining centers and PCB drilling
- Precision Instrumentation and medical devices
- High-speed Robotic Drives and servo motors
- Advanced Aerospace and defense systems
