7205 CD/P4ADGC
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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7205 CD/P4ADGC Bearing Product Overview & Core Advantages
The 7205 CD/P4ADGC is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing supplied in a moderate preload (Class C) matched set, it excels in handling combined radial and axial loads simultaneously. Manufactured to the stringent P4A tolerance class, it ensures superior running accuracy and is ideally suited for high-speed, high-reliability machinery where precise shaft positioning is critical.
7205 CD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
- 7205: Basic series designation (25mm bore, 52mm OD)
- C: 15° contact angle
- D: Indicates a matched set of two bearings
- P4A: High precision tolerance class (exceeding ABEC 7)
- DGC: Combination code indicating specific internal geometry and moderate preload (Class C)
7205 CD/P4ADGC Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The 15° contact angle and universal matchable (SU) design enable the bearing pair to support significant combined loads while providing rigid shaft support. The moderate preload eliminates internal clearance, enhancing system stiffness and positioning accuracy.
High-Speed Performance: The lightweight phenolic cage minimizes centrifugal forces, contributing to the impressive limiting speed of 100,500 rpm. The bearing comes pre-lubricated for immediate operation.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore/OD tolerance: -0.004mm to 0), this bearing delivers exceptional running accuracy and low vibration levels essential for precision applications.
7205 CD/P4ADGC Bearing Typical Application Areas
The 7205 CD/P4ADGC is ideally suited for:
- Machine Tool Spindles
- High-Speed Precision Grinders
- Medical Equipment Spindles
- Aerospace Control Systems
- High-Frequency Motor Applications
