6305-RS1
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Performance
Materials
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6305-RS1 Bearing Product Overview & Core Advantages
The 6305-RS1 is a single row deep groove ball bearing designed for exceptional performance in demanding applications. This metric bearing features an integrated RS1 contact seal, providing superior protection against contamination. Engineered with P6 tolerance and CN radial clearance, it delivers high running accuracy and reliable operation. Its robust construction from chrome steel enables it to handle significant radial dynamic loads up to 5261 lbf, making it an ideal choice for applications requiring high reliability and long service life.
6305-RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6305 | Basic bearing designation indicating a medium series, single row deep groove ball bearing with a 25mm bore diameter. |
| RS1 | Signifies a synthetic rubber contact seal on one side. This provides excellent sealing effectiveness against dust, moisture, and other contaminants. |
6305-RS1 Bearing Structural Features & Performance Benefits
- Sealed Design: The RS1 contact seal is manufactured from synthetic rubber (NBR) and is in light contact with the inner ring. This design offers superior sealing performance compared to non-contact shields, significantly extending bearing life in contaminated environments.
- High Precision: Manufactured to P6 tolerance class, this bearing ensures high dimensional and running accuracy, contributing to reduced vibration and smoother operation in precision machinery.
- Robust Load Capacity: The deep groove raceway and high-quality chrome steel construction enable it to support high radial dynamic loads and moderate axial loads in both directions.
- Stainless Steel Cage: The stainless steel cage provides high strength and excellent corrosion resistance, ensuring reliable guidance of the balls at the specified limiting speed of 7,500 rpm.
- Maintenance-Free Operation: The combination of the effective seal and the pre-greased condition (as indicated by the sealed construction) allows for long-term, maintenance-free operation.
6305-RS1 Bearing Typical Application Areas
The 6305-RS1 is versatile and finds use in a wide range of industries and equipment, including:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (e.g., conveyor systems)
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
