51430 M
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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51430 M Bearing Product Overview & Core Advantages
The 51430 M is a metric thrust ball bearing engineered for applications requiring high axial load capacity and precision. As an open-type bearing, it is designed to handle significant thrust loads in a single direction. Its robust construction, utilizing 52100 Chrome Steel for rings and balls, ensures exceptional durability and performance in demanding environments. This bearing is characterized by its high axial static load rating and dynamic load capacity, making it a reliable choice for heavy-duty industrial applications where space constraints and precise axial positioning are critical.
51430 M Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Interpretation | Technical Significance |
|---|---|---|
| 51430 | Basic Bearing Number | Denotes the standard size series for a metric thrust ball bearing. |
| M | Milling Slot Suffix | Indicates the presence of a milling slot on the housing washer's outer surface. This feature aids in assembly and positioning within the housing. |
51430 M Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: The bearing's design is optimized to support substantial axial dynamic load ratings of 125,775 lbf and exceptionally high axial static load ratings of 441,000 lbf, providing reliable performance under heavy thrust forces.
- Precision Ground Components: Manufactured with tight tolerances on the bore, outside diameter, and width, ensuring precise axial location and smooth operation.
- Durable Material Construction: Rings and balls made from 52100 Chrome Steel offer high hardness and wear resistance. The stainless steel cage provides excellent corrosion resistance and ensures stable ball guidance.
- Open Design for Lubrication: The open seal type allows for versatile lubrication options, enabling optimal performance across its specified temperature range and facilitating maintenance in high-load scenarios.
51430 M Bearing Typical Application Areas
The 51430 M thrust ball bearing is ideally suited for machinery and systems that experience high unidirectional axial loads. Common applications include:
- Heavy-Duty Industrial Gearboxes
- Vertical Pumps and Compressors
- Crane Hooks and Lifting Systems
- Large Valves and Actuators
- Machine Tool Tables and Screw Down Systems
