S7003 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7003 CD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.033 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
35 mm
Outside diameter tolerance
-0.006mm to 0
Width
10 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
5.556 mm
Ball quantity
12
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1521 lbf
Radial static load rating
731 lbf
Limiting speed
60 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:
$ 101.4
/ each
In Stock
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S7003 CD/HCP4A Bearing Product Overview & Core Advantages
The S7003 CD/HCP4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. This single-row bearing features a 15° contact angle and is supplied with a preload, ensuring high system rigidity and minimal axial/radial runout. Its construction with ceramic balls and a phenolic cage enables superior high-speed capabilities and reduced rotational inertia. The bearing is pre-lubricated and sealed for immediate use and long-term reliability in demanding environments.
S7003 CD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S7003 | Standard metric series, 17mm bore, 35mm OD, 10mm width. |
| C | 15° contact angle design. |
| D | High-precision preload specification. |
| HC | Hybrid Ceramic construction (Ceramic balls with steel rings). |
| P4 | ABEC-7 / ISO P4 tolerance class for exceptional dimensional and running accuracy. |
| A | Standard contact angle designation. |
S7003 CD/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The use of ceramic balls significantly reduces friction, heat generation, and wear, enabling a limiting speed of 60,000 rpm. This construction also provides electrical insulation and superior performance in lubricant-starved conditions.
- High Rigidity & Accuracy: The preload eliminates internal clearance, resulting in high system stiffness and precise shaft positioning, which is critical for applications like machine tool spindles.
- Optimized for High Speeds: The lightweight phenolic cage offers excellent strength-to-weight ratio and guidance, contributing to smooth operation and stability at ultra-high rotational speeds.
- Sealed & Lubricated for Life: The integral seals protect against contamination, and the factory-applied lubrication ensures consistent performance across the specified temperature range (-30° to 110 °C), making it a maintenance-free solution.
- Superior Load Capacity: With a dynamic load rating of 1521 lbf and a static load rating of 731 lbf, this bearing reliably handles combined radial and axial loads.
S7003 CD/HCP4A Bearing Typical Application Areas
This high-precision, high-speed bearing is ideally suited for:
- Machine Tool Spindles (High-speed milling, grinding, and drilling)
- Precision Robotics (Arm joints, spindle drives)
- High-Frequency Motors and Spindles
- Medical and Dental Equipment (Handpieces, centrifuges)
- Aerospace Instrumentation and Gyroscopes
- Semiconductor Manufacturing Equipment
