305SZZG
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
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305SZZG Bearing Product Overview & Core Advantages
The 305SZZG is a single row deep groove ball bearing engineered for exceptional performance in demanding applications. This metric bearing is designed to primarily accommodate high radial loads, offering reliable operation and long service life. Its key advantages include a shielded design for contaminant protection, high precision ABEC 1 (ISO P0) tolerance for smooth running, and a robust construction using chrome steel for all critical components. This combination makes it an ideal, cost-effective solution for a wide range of industrial machinery requiring dependable radial support.
305SZZG Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning | Benefit |
|---|---|---|
| 305 | Standard bore diameter code (25 mm) | Indicates standard sizing for easy interchangeability and sourcing. |
| SZZ | Designates shielded construction on both sides | Protects the bearing interior from dust and other contaminants, enhancing reliability. |
| G | Indicates the use of a chrome steel cage | Provides high strength and durability, suitable for demanding applications and higher speeds. |
305SZZG Bearing Structural Features & Performance Benefits
- Shielded Design: The non-contact steel shields (SZZ) effectively retain the factory-applied grease and exclude larger particulate contaminants, contributing to maintenance-free operation and extended bearing life in dirty environments.
- High Load Capacity: The deep groove raceway and chrome steel construction enable a high radial dynamic load rating of 5148 lbf and a radial static load rating of 3507 lbf, making it suitable for applications with significant radial forces.
- Optimized for Speed: The robust chrome steel cage (G suffix) provides excellent dimensional stability and strength, supporting a limiting speed of 13,000 rpm.
- Precision & Stability: Manufactured to ABEC 1 (ISO P0) tolerance class with a standard CN radial internal clearance, this bearing ensures smooth, low-vibration, and low-noise operation, which is critical for general machinery and motor applications.
305SZZG Bearing Typical Application Areas
The 305SZZG deep groove ball bearing is versatile and finds use in numerous sectors, including:
- Electric Motors and Gearboxes
- Material Handling Equipment (e.g., conveyor rollers)
- Agricultural Machinery
- Industrial Fans and Blowers
- General Industrial Machinery requiring reliable radial support
