618/500 MA
618 & 619 Series Thin Section Bearings
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618/500 MA Bearing Product Overview & Core Advantages
The 618/500 MA is a single row deep groove ball bearing engineered for exceptional radial load capacity and precision performance. This metric series bearing features a large 500 mm bore, making it ideal for heavy-duty industrial applications requiring robust support. Manufactured to P6 tolerance class, it delivers high running accuracy and rotational stability. The open design allows for versatile lubrication options, while its stainless steel cage ensures reliable operation. Its superior radial dynamic load rating of 74,637 lbf and static load capacity of 139,382 lbf make it a dependable choice for demanding machinery.
618/500 MA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 618 | Deep groove ball bearing series with maximum capacity design |
| 500 | Bore diameter: 500 mm |
| MA | Machined brass cage, guided by balls |
618/500 MA Bearing Structural Features & Performance Benefits
Optimized Raceway Geometry: The deep groove raceways are precision-engineered to accommodate both radial loads and moderate axial loads in either direction, providing versatile load-carrying capability.
High-Capacity Design: The single row construction with optimized internal geometry maximizes the number and size of balls, significantly enhancing the radial load rating and service life.
Precision Machined Cage: The MA designation indicates a machined brass cage that offers excellent strength and durability, particularly suited for high-speed applications up to the limiting speed of 1,500 rpm.
Superior Material Composition: Constructed from chrome steel for both rings and balls, providing high hardness, wear resistance, and dimensional stability across the operating temperature range of -30°C to 120°C.
Precision Tolerance: Manufactured to P6 tolerance class with CN radial internal clearance, ensuring precise fitment and optimal performance in precision applications.
618/500 MA Bearing Typical Application Areas
- Large Industrial Gearboxes and power transmission systems
- Heavy-Duty Machinery including rolling mills and mining equipment
- Large Electric Motors and generators requiring high radial load capacity
- Material Handling Equipment such as large conveyor systems
- Industrial Pumps and compressors in heavy industrial applications
- Construction Machinery and large agricultural equipment
