51160 M
51100 & 51000 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
51160 M
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
17.5 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
300 mm
Bore diameter tolerance
-0.035mm to 0
Outside diameter
380 mm
Outside diameter tolerance
-0.04mm to 0
Width
62 mm
Width tolerance
+0.04mm to -0.4mm
Chamfer dimension
2 mm
Ball & Washer Dimensions
Housing washer inner diameter
304 mm
Shaft washer outer diameter
376 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
81900 lbf
Axial static load rating
396000 lbf
Limiting speed
1.2 X 1000 rpm
Materials
Ring material
52100 Chrome Steel
Ball material
52100 Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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51160 M Bearing Product Overview & Core Advantages
The 51160 M is a metric thrust ball bearing engineered for demanding applications requiring exceptional axial load capacity and precision. This bearing is designed to accommodate thrust loads in a single direction, featuring a robust construction with high-grade components. Its key advantages include a high axial dynamic load rating of 81,900 lbf and an impressive axial static load rating of 396,000 lbf, making it suitable for heavy-duty applications. The open design allows for versatile lubrication options, while the precision tolerances ensure reliable performance in high-precision assemblies.
51160 M Bearing Model Code Explained, Specifications & Naming Convention
The model designation "51160 M" provides specific technical information:
- 51160: Indicates the standard thrust ball bearing series with a 300 mm bore diameter.
- M: Signifies that the bearing is manufactured from copper-plated carbon steel for enhanced corrosion resistance during storage and handling. The cage is typically made from machined brass in bearings with this suffix.
51160 M Bearing Structural Features & Performance Benefits
- High Load Capacity: The bearing's design, utilizing 52100 Chrome Steel for both rings and balls, provides exceptional resistance to deformation under high thrust loads.
- Precision & Rigidity: Tight dimensional tolerances on the bore diameter and outside diameter ensure precise shaft and housing fits, contributing to system rigidity and accurate axial positioning.
- Durable Cage: The stainless steel cage ensures reliable ball guidance and is suitable for the specified temperature range of -30° to 110 °C, offering good resistance to corrosion.
- Optimized Geometry: With a chamfer dimension of 2 mm, the bearing facilitates easier installation and minimizes stress concentrations.
51160 M Bearing Typical Application Areas
This thrust ball bearing is ideally suited for machinery and systems subjected to significant axial forces, including:
- Heavy-duty industrial gearboxes
- Vertical pumps and compressors
- Cranes and hoisting equipment
- Machine tool tables and indexing heads
- Marine propulsion systems
