S7206 ACDGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7206 ACDGA/P4A
Basic Information
System of measurement
Metric
Weight
0.2 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.004mm 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°C to 110 °C
Radial dynamic load rating
5265 lbf
Radial static load rating
3442 lbf
Limiting speed
100.5 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S7206 ACDGA/P4A Bearing Product Overview & Core Advantages
The S7206 ACDGA/P4A is a metric precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This single bearing features an extra light preload (Class A) and is manufactured to P4A tolerance class, ensuring superior running precision. Its optimized design enables it to handle combined loads efficiently, making it an ideal choice for high-speed spindles and other precision machinery where reliability and performance are critical.
S7206 ACDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| DGA | Universal Matchable (SU) bearing, supplied in a set of 2 for precise matched arrangement. |
| P4A | High precision tolerance class, exceeding ABEC 7 standards for minimal runout and vibration. |
S7206 ACDGA/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4A tolerance class with extremely tight dimensional tolerances on the bore, outside diameter, and width. The extra light preload (Class A) eliminates internal clearance, providing superior shaft positioning accuracy and system stiffness.
- Optimized Load Capacity: The 25° contact angle is engineered to support significant combined radial and axial loads simultaneously. With a dynamic load rating of 5265 lbf and a static load rating of 3442 lbf, it offers reliable performance under demanding conditions.
- High-Speed Capability: The lightweight phenolic cage and optimized internal geometry contribute to a high limiting speed of 100,500 rpm, making it suitable for high-speed applications.
- Sealed and Lubricated for Life: As a sealed bearing, it is pre-lubricated with grease, protecting against contamination and providing maintenance-free operation within its specified temperature range of -30°C to 110°C.
S7206 ACDGA/P4A Bearing Typical Application Areas
This bearing is engineered for high-performance applications, including:
- Machine Tool Spindles
- High-Speed Grinding and Milling Heads
- Precision Robotics and Automation Equipment
- High-Frequency Motors and Spindles
- Medical and Dental Equipment Drives
