S7005 FE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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S7005 FE/HCP4ADGA Bearing Product Overview & Core Advantages
The S7005 FE/HCP4ADGA is a high-precision double row angular contact ball bearing engineered for demanding applications. Its universal matchable (SU) design allows for flexible mounting in any arrangement, providing exceptional operational versatility. A key advantage is its ability to simultaneously support substantial combined loads (radial and bidirectional axial loads) with high accuracy and rigidity. The combination of a ceramic ball and phenolic cage contributes to superior high-speed performance and extended service life, making it an ideal choice for high-reliability, precision machinery.
S7005 FE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
- S7005: Basic series designation for a double row angular contact ball bearing with a 25mm bore.
- FE: Indicates the bearing is supplied with a preload of "Extra light" (Class A).
- HC: Signifies the use of Hybrid Ceramic balls (Silicon Nitride).
- P4A: Denotes a high-precision tolerance class superior to ABEC 7, ensuring minimal runout and vibration.
- DGA: Specifies the phenolic resin cage material, which is ideal for high-speed operation.
S7005 FE/HCP4ADGA Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: The double row design provides a significantly wider effective spread than a single bearing, resulting in a very high rigidity support system. This robust construction enables it to handle demanding combined loads effectively.
Superior High-Speed Performance: The hybrid ceramic balls are lighter and harder than steel, reducing centrifugal forces and wear. Combined with the lightweight, self-lubricating phenolic cage (DGA), this bearing achieves an exceptionally high limiting speed.
Precision and Reliability: Manufactured to a P4A tolerance class, this bearing guarantees minimal running inaccuracies, which is critical for applications requiring high rotational accuracy. The sealed construction with pre-applied grease protects against contamination and ensures long-term, maintenance-free operation within its specified temperature range.
S7005 FE/HCP4ADGA Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications where precision, speed, and rigidity are paramount. Typical uses include:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Aerospace and Defense Systems
- High-Speed Robotic Drives
