S7201 CDGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7201 CDGA/P4A
Basic Information
System of measurement
Metric
Weight
0.038 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
12 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
32 mm
Outside diameter tolerance
-0.004mm to 0
Width
10 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
5.556 mm
Ball quantity
10
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
1316 lbf
Radial static load rating
574 lbf
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
No drawings available at the moment, will be launched soon
In Stock
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S7201 CDGA/P4A Bearing Product Overview & Core Advantages
The S7201 CDGA/P4A is a single-row angular contact ball bearing engineered for applications demanding ultra-high precision and exceptional running accuracy. Operating under the stringent P4A tolerance class, it is designed to handle combined loads with a consistent 15° contact angle. Its extra light preload (Class A) minimizes deflection and ensures smooth, quiet operation at high speeds. This bearing is Universal Matchable (SU), allowing for precise axial clearance control when mounted in pairs, making it an ideal solution for high-rigidity, high-reliability spindles and precision machinery.
S7201 CDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
The model designation S7201 CDGA/P4A provides detailed technical specifications:
- S7: Indicates a series of high-precision angular contact ball bearings.
- 201: Denotes the standard size series with a 12mm bore diameter.
- C: Specifies a 15° contact angle.
- DG: Signifies that the bearing is Universal Matchable (SU) and supplied as a matched set of 2 bearings.
- A: Denotes an Extra light preload (Class A).
- P4A: Represents an ultra-precision tolerance class exceeding ABEC 7 standards.
S7201 CDGA/P4A Bearing Structural Features & Performance Benefits
- Ultra-High Precision & Rigidity: Manufactured to P4A tolerance class with extremely tight dimensional and running accuracy tolerances. The extra light preload eliminates internal clearance, providing maximum system rigidity and precise rotational performance.
- Superior High-Speed Capability: The lightweight phenolic resin cage ensures excellent dimensional stability and low friction, contributing to lower operating temperatures and higher limiting speeds.
- Optimized Load Capacity: The 15° contact angle is optimally designed to support significant combined radial and axial loads simultaneously.
- Precision Matching: As a Universal Matchable (SU) bearing supplied in a matched set, it guarantees predictable and consistent performance when used in pairs for duplex arrangements.
S7201 CDGA/P4A Bearing Typical Application Areas
This bearing is specifically designed for the most demanding high-precision and high-speed applications, including:
- Machine Tool Spindles
- High-Frequency Machining Centers
- Precision Grinding Spindles
- High-Speed Robotic Drives
- Medical and Dental Equipment Spindles
- Aerospace Navigation Systems
