S7005 CD/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
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S7005 CD/P4A Bearing Product Overview & Core Advantages
The S7005 CD/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a single-row bearing with a 15° contact angle and P4 (ABEC-7) tolerance class, it is engineered to handle combined loads, providing high thrust capacity and excellent high-speed performance. Its preloaded configuration ensures minimal axial and radial play, delivering superior running accuracy and system stiffness for the most demanding precision machinery.
S7005 CD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| C | 15° Contact Angle | Optimized for handling combined radial and axial loads. |
| D | High Preload | Provides maximum rigidity and precise shaft positioning. |
| P4A | P4 (ABEC-7) Tolerance Class | Guarantees ultra-precise dimensions and runout for high-accuracy applications. |
S7005 CD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The combination of a 15° contact angle and a high preload (D) results in a very stiff bearing assembly, critical for minimizing deflection under load and maintaining positioning accuracy in spindles and precision axes.
- Superior High-Speed Capability: The phenolic resin cage is lightweight and possesses excellent sliding properties, contributing to lower friction, reduced heat generation, and stable operation at the high limiting speed of 36,000 rpm.
- Optimized Load Capacity: Manufactured from high-grade chrome steel for both rings and balls, this bearing achieves a high dynamic load rating of 2151 lbf, ensuring long service life under demanding operating conditions.
- Sealed & Lubricated for Life: The sealed design with factory-applied lubrication protects against contamination and retains grease, making it a maintenance-free solution suitable for a wide temperature range of -30°C to 110°C.
S7005 CD/P4A Bearing Typical Application Areas
The S7005 CD/P4A is ideally suited for high-performance applications where precision, speed, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors: Spindles for PCB drilling and dental handpieces.
- Medical Equipment: Centrifuges and precision laboratory apparatus.
- Aerospace & Defense: Gyroscopes, radar systems, and navigation instruments.
