S7009 CD/P4ADGC
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7009 CD/P4ADGC
Basic Information
System of measurement
Metric
Weight
0.47 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
75 mm
Outside diameter tolerance
-0.004mm to 0
Width
32 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
10530 lbf
Radial static load rating
10125 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Grease
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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S7009 CD/P4ADGC Bearing Product Overview & Core Advantages
The S7009 CD/P4ADGC is a precision double row angular contact ball bearing engineered for applications demanding exceptional accuracy, rigidity, and reliability. Operating under a P4A tolerance class, it is designed to simultaneously handle significant combined radial and axial loads from both directions. Its compact design, featuring a universal matchable (SU) configuration, allows for versatile mounting arrangements and provides high system rigidity in a space-saving footprint. Pre-loaded at a moderate (Class C) level, this bearing offers optimized running accuracy and is pre-lubricated with grease for immediate, maintenance-free operation, making it an ideal choice for high-performance spindle systems and precision machinery.
S7009 CD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
The model number S7009 CD/P4ADGC provides detailed technical specifications through its suffixes:
- S7009: Basic series designation for a double row angular contact ball bearing with a 45mm bore.
- C: Indicates a 15° contact angle, optimized for handling high axial loads.
- D: Specifies a moderate preload (Class C) for enhanced rigidity and rotational accuracy.
- P4A: Denotes an extremely high precision tolerance class, exceeding ABEC 7/ISO P4 standards, for applications requiring minimal runout and vibration.
- DGC: Signifies that the bearing is universally matchable (SU) and supplied as part of a pre-configured duplex set of two bearings, ready for installation in a back-to-back (DB), face-to-face (DF), or tandem (DT) arrangement.
S7009 CD/P4ADGC Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The double row design and moderate preload provide superior system stiffness, effectively resisting operational deflection. With a dynamic load rating of 10,530 lbf and a static load rating of 10,125 lbf, it is built to withstand demanding combined loads.
- Precision High-Speed Performance: The phenolic resin cage ensures low weight and excellent performance at high speeds, contributing to a limiting speed of 46,000 rpm. The optimized internal geometry and 15° contact angle further enhance high-speed stability.
- Exceptional Operational Accuracy: Manufactured to a P4A tolerance class with tight bore, OD, and width tolerances, this bearing guarantees minimal runout and vibration, which is critical for achieving high levels of machining and positioning accuracy.
- Maintenance-Free & Long Service Life: As a sealed and pre-greased unit, the bearing is protected from contamination and is lubricated for life under normal operating conditions within its specified temperature range of -30°C to 110°C.
S7009 CD/P4ADGC Bearing Typical Application Areas
The S7009 CD/P4ADGC is ideally suited for high-precision, high-speed applications across various industries, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Drives and Feed Systems: Robotics, linear actuators, and CNC axis drives.
- High-Frequency Motors and Spindles: Where low vibration and high rotational accuracy are paramount.
- Medical and Laboratory Equipment: Centrifuges and precision instruments.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and other critical navigation components.
