51484
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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51484 Bearing Product Overview & Core Advantages
The 51484 metric thrust ball bearing is engineered for heavy-duty axial load applications requiring exceptional reliability. This open-type bearing delivers superior thrust load capacity with an axial dynamic load rating of 427,137 lbf and an axial static load rating of 2,562,822 lbf. Manufactured from 52100 Chrome Steel for both rings and balls, it ensures high durability and consistent performance in demanding industrial environments. Its substantial dimensions (420 mm bore, 730 mm OD) make it ideal for large-scale machinery where precise axial positioning and high load support are critical.
51484 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51484 | Basic model number indicating thrust ball bearing design with specific dimensions |
| Open | No seals or shields, requiring external lubrication system for optimal performance |
| Metric | Manufactured to metric dimensional standards (millimeter measurements) |
51484 Bearing Structural Features & Performance Benefits
Heavy-Duty Construction: The bearing's substantial cross-section (243 mm width) and 52100 Chrome Steel composition provide exceptional structural integrity under extreme thrust loads.
Precision Engineering: Tight dimensional tolerances on bore diameter (-0.045mm to 0) and outside diameter (-0.075mm to 0) ensure precise fit and alignment in heavy machinery applications.
High Load Capacity: Specifically designed for pure thrust applications, delivering reliable performance with axial static load capacity exceeding 2.5 million pounds force.
Temperature Resilience: Operating range of -30° to 110°C accommodates various industrial environments while maintaining dimensional stability.
Compliance Standards: Meets ROHS and REACH environmental regulations, ensuring global compliance for industrial applications.
51484 Bearing Typical Application Areas
- Heavy industrial presses and stamping machinery
- Large vertical pumps and turbine generators
- Mining equipment including crushers and mills
- Marine propulsion systems and steering gears
- Construction machinery such as large cranes and excavators
- Hydraulic systems requiring high axial load support
