S7005 CE/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7005 CE/P4A
Basic Information
System of measurement
Metric
Weight
0.077 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.006mm to 0
Width
12 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° to 110 °C
Radial dynamic load rating
1872 lbf
Radial static load rating
934 lbf
Limiting speed
46 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:
$ 146.67
/ each
In Stock
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S7005 CE/P4A Bearing Product Overview & Core Advantages
The S7005 CE/P4A is a single-row angular contact ball bearing engineered for applications demanding exceptional precision and high-speed performance. Operating under P4 (ABEC-7) tolerance class, it guarantees superior running accuracy. Its key advantage lies in its ability to support combined loads, handling significant radial loads and axial loads in one direction simultaneously. The 15° contact angle and phenolic cage are optimized for high rotational speeds, making it an ideal solution for high-precision spindles and machinery where high rigidity and reliability are critical.
S7005 CE/P4A Bearing Model Code Explained, Specifications & Naming Convention
The model designation S7005 CE/P4A provides detailed technical specifications:
- S: Denotes a bearing from a high-precision series.
- 7005: Standard size designation (25mm bore, 47mm OD, 12mm width).
- C: Indicates a 15° contact angle.
- E: Signifies an optimized internal design for high-speed operation.
- P4A: Defines the tolerance class and preload specification.
- - P4: Corresponds to ABEC-7, indicating very high precision.
- - A: Specifies a light preload for enhanced rigidity and precise shaft positioning.
S7005 CE/P4A Bearing Structural Features & Performance Benefits
- High-Speed Capability: The combination of a phenolic resin cage and a 15° contact angle minimizes friction and centrifugal forces, enabling a high limiting speed of 46,000 rpm. The internal design (E-suffix) is further optimized for such demanding conditions.
- High Rigidity & Precision: Manufactured to P4 precision class with a specified light preload (A), this bearing provides superior shaft support, reduces deflection under load, and ensures exceptional running accuracy.
- Superior Load Capacity: The angular contact design allows it to carry substantial radial dynamic loads (1872 lbf) and one-direction axial loads simultaneously, making it suitable for combined load applications.
- Ready-to-Install & Sealed: The bearing comes sealed and pre-lubricated, protecting it from contamination during handling and storage, and is ready for immediate installation.
S7005 CE/P4A Bearing Typical Application Areas
The S7005 CE/P4A is ideally suited for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Drives: High-frequency motors and spindles.
- Robotics: Articulated arm joints and precision gearboxes.
- Aerospace & Defense Systems: Gyroscopes, radar equipment, and control surface actuators.
