7009 CDTP/P4B
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7009 CDTP/P4B
Basic Information
System of measurement
Metric
Weight
0.24 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
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
9.525 mm
Ball quantity
17
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
6435 lbf
Radial static load rating
5040 lbf
Limiting speed
19 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 251.67
/ each
In Stock
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7009 CDTP/P4B Bearing Product Overview & Core Advantages
The 7009 CDTP/P4B is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to a P4 (ABEC-7) tolerance class, it is ideally suited for high-speed spindles and precision machinery. Its key advantage lies in its ability to accommodate combined loads (radial and axial) simultaneously, while the phenolic cage and optimized internal geometry contribute to superior high-speed performance and smooth operation.
7009 CDTP/P4B Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Benefit |
|---|---|---|
| CD | High contact angle (15°) and optimized internal design | Enhanced axial load capacity and rigidity. |
| T | Phenolic (synthetic resin) cage | Reduced friction, suitable for high speeds and acceleration. |
| P | Preload applied | Increased system stiffness and precise shaft positioning. |
| P4B | P4 tolerance class with specific running accuracy requirements | Guarantees ultra-high precision and minimal runout for critical applications. |
7009 CDTP/P4B Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The 15° contact angle and robust construction enable the bearing to support significant combined loads, providing stable and rigid support for spindles.
- Superior High-Speed Performance: The lightweight phenolic cage (T) ensures excellent dimensional stability and low friction at high rotational speeds, contributing to a limiting speed of 19,000 rpm.
- Precision Engineering: Manufactured to P4 tolerance with precise bearing dimensions (45mm bore, 75mm OD, 16mm width), this bearing ensures minimal vibration and high running accuracy.
- Optimized Internal Geometry: With 17 balls of 9.525mm diameter, the internal load distribution is optimized for performance and longevity.
7009 CDTP/P4B Bearing Typical Application Areas
This precision angular contact bearing is critical in high-performance applications, including:
- Machine Tool Spindles: For milling, grinding, and turning centers requiring high speed and rigidity.
- High-Speed Motors and Spindles: In applications where rotational accuracy and minimal runout are paramount.
- Precision Instrumentation: Used in measuring devices and high-accuracy rotary tables.
- Pumps and Compressors: Where reliable performance under combined loads is essential.
