51432
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
51432
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
51.2 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
160 mm
Bore diameter tolerance
-0.025mm to 0
Outside diameter
320 mm
Outside diameter tolerance
-0.04mm to 0
Width
130 mm
Width tolerance
+0.025mm to -0.4mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
191537 lbf
Axial static load rating
541790 lbf
Limiting speed
0.39 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
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51432 Bearing Product Overview & Core Advantages
The 51432 is a metric thrust ball bearing engineered to accommodate unidirectional axial loads with exceptional reliability. This open-type bearing is manufactured from high-grade 52100 Chrome Steel, providing robust performance in demanding applications. Its key advantages include a high axial static load rating of 541,790 lbf and a substantial dynamic capacity, making it suitable for heavy-duty thrust applications where space constraints and precise axial positioning are critical. The design ensures consistent operation within a defined temperature range and requires appropriate lubrication for optimal service life.
51432 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation | Technical Significance |
|---|---|---|
| 51432 | Basic Model Number | Defines the bearing dimensions: 160mm bore, 320mm OD, 130mm width. |
| (No Suffix) | Open, Unsealed | Indicates a standard open design, allowing for custom lubrication schemes but requiring protection from contaminants. |
51432 Bearing Structural Features & Performance Benefits
- High Load Capacity: The bearing's construction is optimized to handle significant axial dynamic and static loads, ensuring durability under heavy thrust conditions.
- Precision Tolerances: Tight dimensional tolerances on the bore diameter and outside diameter facilitate precise mounting and accurate axial positioning within an assembly.
- Robust Material Construction: The use of 52100 Chrome Steel for the rings, balls, and cage provides high hardness, wear resistance, and long-term dimensional stability.
- Lubrication Flexibility: As an open bearing, it offers flexibility in lubrication selection, allowing engineers to choose a lubricant that best suits the specific application's speed and temperature requirements.
51432 Bearing Typical Application Areas
This thrust ball bearing is ideally suited for heavy machinery and industrial systems requiring robust axial support, including:
- Heavy-Duty Industrial Gearboxes
- Vertical Pumps and Compressors
- Cranes and Hoisting Equipment
- Large Mining and Construction Machinery
- Marine Propulsion Systems
