6304-2RSL
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6304-2RSL Bearing Product Overview & Core Advantages
The 6304-2RSL is a sealed single row deep groove ball bearing engineered for reliable performance in demanding applications. This metric bearing features a 20 mm bore diameter and is designed primarily to handle radial loads efficiently. Its key advantages include robust construction with chrome steel rings and balls, a durable stainless steel cage, and integrated contact seals (2RS) that effectively retain lubrication and exclude contaminants. Pre-lubricated with grease, it offers a wide operating temperature range and is ready for immediate installation, making it an excellent choice for applications requiring low maintenance and long service life.
6304-2RSL Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning | Benefit |
|---|---|---|
| 6304 | Standard designation for a single row deep groove ball bearing with a 20mm bore and 52mm OD. | Defines the core bearing dimensions and type for interchangeability. |
| 2RS | Signifies two integral contact seals, one on each side. | Provides superior protection against contamination and retains lubricant effectively, enhancing reliability. |
| L | Indicates the bearing is pre-lubricated with a standard grease. | Ensures immediate operation and simplifies maintenance requirements. |
6304-2RSL Bearing Structural Features & Performance Benefits
- Optimized Raceway and Ball Design: The deep groove geometry allows for smooth operation and efficient handling of radial loads and moderate axial loads in both directions.
- Superior Sealing with 2RS: The low-friction contact seals provide an effective barrier against dust, moisture, and other contaminants, significantly extending the bearing's operational life in harsh environments.
- Stainless Steel Cage: The cage ensures stable ball guidance and separation, contributing to quiet operation and suitability for higher speeds up to the limiting speed of 15,000 rpm.
- Precision P6 Tolerance: Manufactured to a tighter tolerance class (P6), this bearing offers enhanced running accuracy, reduced vibration, and is ideal for applications requiring precise shaft guidance.
- Robust Material Construction: Made from high-quality chrome steel for rings and balls, the bearing provides a high dynamic load rating of 3777 lbf and a static load rating of 1754 lbf, ensuring durability and resistance to wear.
6304-2RSL Bearing Typical Application Areas
The 6304-2RSL is a versatile component widely used across various industries due to its reliability and sealed design. Common applications include:
- Electric Motors and Small Gearboxes
- Industrial Pumps and Compressors
- Material Handling Equipment (e.g., Conveyors)
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
- General Machinery requiring sealed bearings for protection
