S7202 CD/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7202 CD/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
15 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
10
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1667 lbf
Radial static load rating
754 lbf
Limiting speed
48 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:
$ 94.4
/ each
In Stock
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S7202 CD/P4A Bearing Product Overview & Core Advantages
The S7202 CD/P4A is a high-precision angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and rigidity. As a single-row bearing, it is optimized to support combined loads, handling significant radial loads alongside thrust loads in one direction. Its P4 (ABEC-7) tolerance class ensures ultra-precise running accuracy, making it ideal for high-speed spindles and other precision machinery. The bearing comes preloaded and pre-lubricated from the factory, simplifying installation and ensuring immediate, reliable performance.
S7202 CD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S | Designates a super-precision bearing. |
| 7202 | Standard bearing series designation indicating a 15mm bore, 35mm OD, and 11mm width. |
| CD | Specifies a 15° contact angle and a specific internal design optimized for high rigidity and speed. |
| P4A | Indicates the P4 (ABEC-7) tolerance class for running accuracy, with specific dimensional and running accuracy limits. |
S7202 CD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4 tolerance with a 15° contact angle, this bearing provides exceptional running accuracy and stiffness, minimizing deflection under load for superior performance in precision applications.
- Optimized Load Capacity: The angular contact design enables it to efficiently support combined radial and axial loads. The radial dynamic load rating of 1667 lbf and static load rating of 754 lbf ensure reliable operation under demanding conditions.
- Superior High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, contributing to a high limiting speed of 48,000 rpm. The standard pre-lubrication further enhances high-speed capability and initial startup reliability.
- Durable Construction: Components made from chrome steel offer high wear resistance and long service life. The sealed design protects against contamination, preserving performance.
S7202 CD/P4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Medical and Dental Equipment
- Aerospace Instrumentation
