618/1000 MA
618 & 619 Series Thin Section Bearings
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618/1000 MA Bearing Product Overview & Core Advantages
The 618/1000 MA is a single row deep groove ball bearing designed for applications requiring exceptional precision and reliability. This metric series bearing features an open design and is manufactured to a P6 tolerance class, ensuring high running accuracy. Its robust construction, utilizing chrome steel rings and balls with a stainless steel cage, provides excellent durability and consistent performance under radial loads. With a substantial bore diameter of 1000 mm and a high static load rating, it is engineered for heavy-duty applications where space and load capacity are critical factors.
618/1000 MA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Interpretation |
|---|---|
| 618 | Series designation for extra-light series, deep groove ball bearings. |
| /1000 | Indicates a bore diameter of 1000 mm. |
| M | Designates a machined brass cage (Note: Specification indicates Stainless Steel cage, "M" may refer to a specific cage type or manufacturer designation). |
| A | Internal design suffix, which can indicate specific internal clearances or optimized internal geometry. |
618/1000 MA Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Manufactured to P6 tolerance class with a CN radial internal clearance, this bearing ensures precise shaft guidance and high operational stability, minimizing vibration and run-out.
- Superior Load Capacity: The deep groove raceway and robust construction enable it to handle high radial dynamic load ratings (143,203 lbf) and exceptionally high radial static load ratings (404,656 lbf).
- Optimized Cage Design: The stainless steel cage provides high strength and corrosion resistance, contributing to reliable performance and extended service life.
- Wide Temperature Range: Suitable for operating temperatures from -30°C to 120°C, making it versatile for various industrial environments.
- Open Design for Custom Lubrication: The open seal type allows for the application of specific lubricants tailored to the application's speed and environmental conditions, though the limiting speed is 0.6 x 1000 rpm.
618/1000 MA Bearing Typical Application Areas
This large-bore, high-precision bearing is ideally suited for heavy machinery and industrial equipment, including:
- Large Industrial Gearboxes
- Mining and Construction Equipment
- Vibrating Screens and Heavy-Duty Conveyors
- Wind Turbine Main Shafts
- Paper Mill and Steel Mill Machinery
