S7202 ACD/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7202 ACD/P4A
Basic Information
System of measurement
Metric
Weight
0.044 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
15 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
35 mm
Outside diameter tolerance
-0.006mm to 0
Width
11 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
10
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1609 lbf
Radial static load rating
720 lbf
Limiting speed
43 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:
$ 94.91
/ each
In Stock
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S7202 ACD/P4A Bearing Product Overview & Core Advantages
The S7202 ACD/P4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. This single-row bearing is preloaded and manufactured to a P4 (ABEC-7) tolerance class, ensuring minimal runout and superior rotational precision. Its key advantage lies in its ability to handle high-speed operations while supporting significant combined loads (radial and axial), making it an ideal component for high-performance machinery requiring reliable, long-term operation.
S7202 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Benefit |
|---|---|---|
| ACD | Angular Contact, 25° Contact Angle | Optimized for handling substantial axial loads in one direction along with radial loads. |
| P4A | P4 (ABEC-7) Tolerance Class, Preloaded | Guarantees high running accuracy, reduced vibration, and increased system rigidity for precise applications. |
S7202 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The 25° contact angle and factory-applied preload eliminate internal clearance, resulting in a stiff bearing system that minimizes deflection under load and enhances positional accuracy.
- Superior High-Speed Capability: The lightweight and robust phenolic resin cage ensures stable operation and low centrifugal forces at the limiting speed of 43,000 rpm, reducing friction and heat generation.
- Optimized Load Capacity: Engineered to support high dynamic and static load ratings (1609 lbf / 720 lbf), this bearing reliably manages demanding combined load conditions.
- Sealed and Lubricated for Life: As a sealed and pre-lubricated unit, it is protected from contamination and is maintenance-free within its specified temperature range of -30°C to 110°C.
S7202 ACD/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-speed and high-precision applications, including:
- Machine Tool Spindles
- High-Frequency Spindles for PCB drilling and routing
- Precision Grinding Spindles
- High-Speed Motors and encoders
- Medical and Dental Handpiece Drives
- Robotic Arm Joints requiring high accuracy
