618/530 MA
618 & 619 Series Thin Section Bearings
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618/530 MA Bearing Product Overview & Core Advantages
The 618/530 MA is a single row deep groove ball bearing engineered for demanding industrial applications requiring high precision and reliability. This metric bearing features an open design, facilitating direct lubrication and optimal heat dissipation. Its primary strength lies in its exceptional radial load capacity, supported by a high dynamic load rating of 74,637 lbf, making it suitable for supporting substantial loads in a compact envelope. Manufactured to a P6 tolerance class, it ensures superior running accuracy and consistent performance in precision machinery.
618/530 MA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 618 | Series designation for extra light series, deep groove ball bearings. |
| 530 | Bore diameter in millimeters (530 mm). |
| M | Indicates a brass cage (Note: Specification lists Stainless Steel cage, "MA" may denote a specific cage variant or internal design). |
| A | Internal design suffix, potentially indicating specific internal geometry for optimized performance. |
618/530 MA Bearing Structural Features & Performance Benefits
- High Load Capacity & Rigidity: The single row deep groove construction and robust chrome steel rings and balls provide a high radial dynamic load rating and excellent rigidity, ensuring stable operation under significant radial forces.
- Precision Performance: Manufactured to P6 tolerance class with a CN radial internal clearance, this bearing guarantees high running accuracy, low vibration, and consistent performance, which is critical for precision applications.
- Optimized for Speed: The combination of an open design and a stainless steel cage allows for effective lubrication management and contributes to a limiting speed of 1,400 rpm, suitable for various high-speed operations.
- Durability & Corrosion Resistance: The use of a stainless steel cage enhances corrosion resistance and cage durability. The chrome steel components provide high hardness and wear resistance for a long service life.
- Broad Temperature Range: Capable of operating within a temperature range of -30°C to 120°C, offering versatility for different environmental conditions.
618/530 MA Bearing Typical Application Areas
The 618/530 MA is ideally suited for heavy-duty machinery and precision equipment where high radial load capacity and accuracy are paramount. Key application areas include:
- Large Electric Motors and Generators
- Industrial Gearboxes
- Vibrating Screens and Heavy Conveyors
- Large Pumps and Compressors
- Construction and Mining Equipment
- Paper and Steel Mill Machinery
