51444
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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51444 Bearing Product Overview & Core Advantages
The 51444 is a thrust ball bearing engineered for applications demanding high axial load capacity and robust performance. This metric series bearing is designed to accommodate thrust loads in a single direction, making it an ideal solution for heavy-duty industrial machinery. Manufactured from high-grade 52100 Chrome Steel for both rings and balls, it ensures exceptional durability and wear resistance. Its open design allows for versatile lubrication options, catering to specific operational environments and ensuring optimal performance under demanding conditions.
51444 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Code | Technical Meaning |
|---|---|---|
| Basic Designation | 51444 | Identifies the bearing as a thrust ball bearing with specific bearing dimensions (220mm bore, 420mm OD, 160mm width) |
| Seal Type | Open | No integral seals; requires external sealing and regular lubrication for optimal performance |
51444 Bearing Structural Features & Performance Benefits
This bearing's performance is defined by its robust construction and material selection:
- High Axial Load Capacity: Engineered to handle substantial axial dynamic load ratings of 221,437 lbf and exceptional axial static load ratings of 883,499 lbf, making it suitable for heavy thrust applications.
- Durable Material Construction: Utilizes 52100 Chrome Steel for rings, balls, and cage, providing high hardness, excellent wear resistance, and consistent performance.
- Precision Tolerances: Features tight dimensional tolerances on the bore, outside diameter, and width, ensuring precise fit and reliable operation in assembled machinery.
- Wide Temperature Range: Operates effectively within a temperature range of -30°C to 110°C, accommodating various industrial environments.
- Compliance Standards: Meets ROHS and REACH environmental directives, ensuring global regulatory compliance.
51444 Bearing Typical Application Areas
The 51444 thrust ball bearing is specified for machinery and systems requiring high unidirectional axial load support, including:
- Heavy-Duty Industrial Gearboxes
- Vertical Pumps and Compressors
- Crane Hooks and Lifting Systems
- Large Industrial Fans and Blowers
- Presses and Stamping Equipment
- Mining and Construction Machinery
