51180 F
51100 & 51000 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
51180 F
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
24 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
400 mm
Bore diameter tolerance
-0.04mm to 0
Outside diameter
480 mm
Outside diameter tolerance
-0.045mm to 0
Width
65 mm
Width tolerance
+0.04mm to -0.5mm
Chamfer dimension
2 mm
Ball & Washer Dimensions
Housing washer inner diameter
404 mm
Shaft washer outer diameter
476 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
90675 lbf
Axial static load rating
513000 lbf
Limiting speed
1 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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51180 F Bearing Product Overview & Core Advantages
The 51180 F is a metric thrust ball bearing engineered for high-capacity axial load applications. This open-type bearing is designed to accommodate heavy thrust loads in a single direction, making it an ideal solution for machinery requiring robust axial support. Its construction from 52100 Chrome Steel for rings and balls ensures exceptional durability and wear resistance. The bearing is characterized by its large bore diameter of 400 mm and substantial axial dynamic load rating of 90,675 lbf, providing reliable performance in demanding industrial environments.
51180 F Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| 51180 | Basic bearing series designation for metric thrust ball bearings. |
| F | Indicates a precision-machined brass or steel cage. In this specific model, the cage material is Stainless Steel, offering excellent strength and corrosion resistance. |
51180 F Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: The robust design, featuring large contact angles and high-quality steel components, enables the bearing to support substantial axial dynamic load ratings (90,675 lbf) and axial static load ratings (513,000 lbf).
- Precision Engineering: Tight dimensional tolerances on the bore diameter and outside diameter ensure a precise fit and stable operation within assemblies.
- Durability & Corrosion Resistance: The use of a Stainless Steel cage minimizes wear and provides enhanced resistance to corrosion, contributing to a longer service life.
- Stable Operation: The open design allows for efficient lubrication management, which is crucial for maintaining performance at the specified limiting speed of 1,000 rpm.
- Compliant Material: The bearing is manufactured with materials that are ROHS and REACH compliant, ensuring they meet international environmental and safety standards.
51180 F Bearing Typical Application Areas
This bearing is specifically designed for applications dominated by heavy axial loads. Common industries and machinery include:
- Heavy-Duty Industrial Gearboxes
- Large Vertical Pumps and Compressors
- Cranes and Lifting Equipment
- Machine Tool Tables and Spindles (for axial positioning)
- Marine Propulsion Systems
- Wind Turbine Pitch Control Systems
