S7009 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7009 CE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.23 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.006mm to 0
Outside diameter
75 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
7.144 mm
Ball quantity
21
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2925 lbf
Radial static load rating
1912 lbf
Limiting speed
32 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:
$ 301.34
/ each
In Stock
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S7009 CE/HCP4A Bearing Product Overview & Core Advantages
The S7009 CE/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional speed capability and rigidity. This sealed bearing features a single-row design with a 15° contact angle, optimized to handle combined radial and axial loads simultaneously. Manufactured to P4 (ABEC-7) tolerance class, it delivers superior running accuracy. The combination of a ceramic ball and phenolic cage enables outstanding high-speed performance, while the integral seals and factory-applied lubrication ensure long-term, maintenance-free operation. Its compact bearing dimensions (45mm bore, 75mm OD, 16mm width) make it an ideal solution for space-constrained, high-performance assemblies.
S7009 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The S7009 CE/HCP4A model number provides detailed technical specifications:
- S7009: Base series designation for a high-precision angular contact ball bearing.
- C: Denotes a 15° contact angle, optimized for high-speed applications.
- E: Indicates an optimized internal design (internal clearance/preload).
- HCP4A: A composite suffix where:
- HC: Signifies the use of Hybrid Ceramic balls (steel rings with ceramic balls).
- P4: Specifies the P4 tolerance class (ABEC-7), indicating ultra-precision.
- A: Indicates a specific preload level for enhanced rigidity.
S7009 CE/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The ceramic balls (typically Silicon Nitride) significantly reduce centrifugal forces and friction, enabling higher limiting speeds (32,000 rpm) and reduced operating temperatures compared to all-steel bearings. They also offer superior resistance to wear and electrical arcing.
- High Rigidity & Preload: The bearing is supplied with a defined preload, which eliminates internal clearance. This results in superior system rigidity, precise shaft positioning, and reduced vibration, which is critical for high-precision machining and spindles.
- Phenolic Resin Cage: The lightweight and robust phenolic cage is ideal for high-speed operation. It offers excellent dimensional stability, low friction, and operates effectively with minimal lubrication.
- Sealed & Lubricated for Life: The integral seals protect against contamination and retain the high-performance grease. This lubrication within the specified temperature range (-30° to 110°C) ensures long service life without maintenance.
- High Load Capacity: With a dynamic load rating of 2925 lbf and a static load rating of 1912 lbf, the bearing is capable of handling significant combined loads.
S7009 CE/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where speed, precision, and reliability are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- High-Frequency Motors & Spindles: Electric motor spindles for PCB drilling and precision engraving.
- Precision Instrumentation: Medical and laboratory equipment requiring smooth, quiet, and accurate rotation.
- Aerospace & Defense Systems: Gyroscopes, navigation systems, and other critical rotating assemblies.
- Robotics: High-precision robotic arm joints and servo motors.
