51396
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
51396
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
345.8 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
480 mm
Bore diameter tolerance
-0.045mm to 0
Outside diameter
730 mm
Outside diameter tolerance
-0.075mm to 0
Width
195 mm
Width tolerance
+0.05mm to -0.5mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
379702 lbf
Axial static load rating
2380052 lbf
Limiting speed
0.54 X 1000 rpm
Lubrication
Required
Materials
Ring material
52100 Chrome Steel
Ball material
52100 Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
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51396 Bearing Product Overview & Core Advantages
The 51396 metric thrust ball bearing is engineered for applications demanding high capacity axial load handling in a single direction. This heavy-duty bearing features an open design, requiring lubrication, and is constructed from high-grade 52100 Chrome Steel for exceptional durability and performance. Its key advantages include an extremely high axial static load rating of 2,380,052 lbf, making it suitable for massive thrust forces in industrial machinery. The precise dimensional tolerances ensure reliable integration into critical equipment.
51396 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51396 | The basic model number, defining the bearing's metric dimensions and thrust type. |
| Open (Seal Type) | Indicates the bearing has no integral seals or shields, allowing for higher speed capability and custom lubrication systems, but requiring a clean operating environment. |
51396 Bearing Structural Features & Performance Benefits
- Superior Axial Load Capacity: The thrust ball bearing design is optimized to carry exceptionally high axial dynamic and static loads, with a static rating exceeding 2.3 million pounds-force, providing robust support in heavy-load scenarios.
- High-Grade Material Construction: Manufactured from 52100 Chrome Steel for both rings and balls, ensuring high hardness, wear resistance, and long service life under demanding conditions.
- Precision Engineering: Tight dimensional tolerances on the bore diameter, outside diameter, and width guarantee precise fit and stable operation within the assembly.
- Operating Versatility: A wide temperature range from -30°C to 110°C allows for operation in various industrial environments.
51396 Bearing Typical Application Areas
This bearing is ideal for heavy machinery and industrial systems where significant unidirectional thrust loads are present. Common applications include:
- Vertical Pumps and Compressors
- Heavy-Duty Industrial Gearboxes
- Crane and Hoist Slewing Rings
- Large Presses and Extrusion Machinery
- Mining and Construction Equipment
