S7009 ACE/HCP4BVG275
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7009 ACE/HCP4BVG275
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
25 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
21
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2722 lbf
Radial static load rating
1834 lbf
Limiting speed
29 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:
$ 301.4
/ each
In Stock
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S7009 ACE/HCP4BVG275 Bearing Product Overview & Core Advantages
The S7009 ACE/HCP4BVG275 is a precision angular contact ball bearing designed for demanding applications requiring exceptional performance. This single-row bearing features a 25° contact angle and is supplied with a preload, delivering superior high rigidity and running accuracy. Its construction with ceramic balls and a phenolic cage enables outstanding high-speed performance, making it ideal for machine tool spindles and other high-precision, high-RPM equipment. The bearing is sealed and pre-lubricated for long-term, maintenance-free operation.
S7009 ACE/HCP4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S7009 | Basic bearing series and size designation (45mm bore, 75mm OD). |
| ACE | Indicates a 25° contact angle and the application of a specific preload for enhanced rigidity. |
| HC | Signifies the use of Hybrid Ceramic components (ceramic balls with steel rings). |
| P4 | Denotes a high-precision tolerance class (ABEC-7 / ISO P4). |
| BVG275 | Likely references a specific internal sealing and greasing specification for high-speed operation. |
S7009 ACE/HCP4BVG275 Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The 25° contact angle and applied preload minimize axial and radial deflection under load, providing exceptional stability for precise positioning and machining.
- Superior High-Speed Capability: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic resin cage significantly lowers friction and inertia, enabling a high limiting speed of 29,000 rpm.
- Hybrid Ceramic Advantages: Ceramic balls offer increased stiffness, lower thermal expansion, and electrical insulation properties compared to standard steel balls, enhancing performance in challenging environments.
- Maintenance-Free Operation: As a sealed and lubricated unit, the bearing is protected from contamination and is ready for installation, ensuring long service life without relubrication.
S7009 ACE/HCP4BVG275 Bearing Typical Application Areas
The S7009 ACE/HCP4BVG275 is engineered for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors and Spindles: Where extreme rotational speeds are required.
- Medical and Dental Equipment: High-speed handpieces and scanners.
- Aerospace Actuators and Instrumentation: Demanding applications requiring reliability and precision.
