S7206 ACD/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7206 ACD/P4A
Basic Information
System of measurement
Metric
Weight
0.2 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.007mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
13
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
5265 lbf
Radial static load rating
3442 lbf
Limiting speed
20 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:
$ 206.62
/ each
In Stock
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S7206 ACD/P4A Bearing Product Overview & Core Advantages
The S7206 ACD/P4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. As a single-row bearing with a 25° contact angle, it is optimized to handle high combined loads, including significant axial loads in one direction. Manufactured to the stringent P4 (ABEC-7) tolerance class, it ensures minimal runout and superior rotational accuracy. Its preload availability allows for enhanced system stiffness, making it an ideal choice for high-speed spindles and other high-precision machinery where reliability is paramount.
S7206 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| D | Indicates a high-precision, high-rigidity design. |
| P4A | Denotes a P4 (ABEC-7) tolerance class with specific running accuracy requirements. |
S7206 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single-row angular contact design, coupled with a 25° contact angle and availability of preload, provides exceptional system stiffness and precise shaft positioning, critical for minimizing deflection under load.
- Superior Load Capacity: Engineered to support high combined radial and axial loads. The optimized internal geometry and use of chrome steel for rings and balls contribute to its high dynamic (5265 lbf) and static (3442 lbf) load ratings.
- Optimized High-Speed Performance: The lightweight phenolic cage ensures stability and reduces centrifugal forces, enabling a high limiting speed of 20,000 rpm. The standard lubrication is formulated for stable performance across the operating temperature range.
- Sealed and Lubricated for Life: The sealed design protects the bearing from contaminants and retains lubricant, offering a maintenance-free solution for the designed service life in clean environments.
S7206 ACD/P4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Instrumentation
