S7005 CE/P4ADBB
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7005 CE/P4ADBB
Basic Information
System of measurement
Metric
Weight
0.15 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.004mm to 0
Width
24 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
14
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3038 lbf
Radial static load rating
1868 lbf
Limiting speed
83 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
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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S7005 CE/P4ADBB Bearing Product Overview & Core Advantages
The S7005 CE/P4ADBB is a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This matched set features a Back-to-Back (DB) arrangement, providing high resistance to moment loads and excellent operational stability. With a P4A tolerance class and light preload (Class B), it is engineered for high-speed performance and precise shaft positioning, making it ideal for high-reliability, high-precision machinery.
S7005 CE/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| CE | Indicates a matched bearing set with specific internal clearances for duplex mounting. |
| P4A | Denotes an ultra-precision tolerance class with enhanced dimensional and running accuracy. |
| DB | Specifies the Back-to-Back duplex arrangement for high rigidity and moment load capacity. |
S7005 CE/P4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Moment Load Capacity: The duplex Back-to-Back (DB) design creates a wide, stable support base, significantly increasing system rigidity and the ability to withstand moment loads.
- Precision Performance: Manufactured to P4A tolerance class standards, this bearing ensures minimal runout and vibration, which is critical for maintaining high positional accuracy.
- Optimized High-Speed Operation: The combination of a phenolic resin cage, 15° contact angle, and light preload minimizes friction and heat generation, enabling a high limiting speed of 83,000 rpm.
- Sealed & Pre-Lubricated: The sealed design with factory-applied grease protects against contamination and provides long-term, maintenance-free operation within the specified temperature range.
S7005 CE/P4ADBB Bearing Typical Application Areas
This bearing is ideally suited for high-precision, high-speed applications, including:
- Machine Tool Spindles
- High-Frequency Machining Centers
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Advanced Robotics and Automation Systems
