511/1120 F
51100 & 51000 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
511/1120 F
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
395 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
1120 mm
Bore diameter tolerance
-0.125mm to 0
Outside diameter
1320 mm
Outside diameter tolerance
-0.16mm to 0
Width
160 mm
Width tolerance
+0.1mm to -1.4mm
Chamfer dimension
5 mm
Ball & Washer Dimensions
Housing washer inner diameter
1126 mm
Shaft washer outer diameter
1314 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
344250 lbf
Axial static load rating
3667500 lbf
Limiting speed
0.3 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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Product Overview and Core Advantages
The 511/1120 F is a metric thrust ball bearing engineered for applications requiring exceptional axial load capacity and robust performance. This bearing is specifically designed to accommodate unidirectional thrust loads with high precision and reliability. Its large bore diameter of 1120 mm makes it suitable for heavy-duty industrial machinery where substantial axial forces are present. Manufactured from high-grade 52100 Chrome Steel for both rings and balls, it ensures superior durability and long service life, even under demanding operating conditions.
511/1120 F Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 511 | Indicates a thrust ball bearing series with a flat seating surface |
| 1120 | Specifies the bore diameter of 1120 mm |
| F | Denotes a carbon steel cage (though this specific bearing features a stainless steel cage) |
Structural Features and Performance Benefits
- High Axial Load Capacity: Engineered with precision-ground raceways and balls to handle substantial axial dynamic load ratings of 344,250 lbf and axial static load ratings of 3,667,500 lbf, ensuring reliable performance in heavy-load applications.
- Optimized Material Selection: Rings and balls manufactured from 52100 Chrome Steel provide excellent wear resistance and fatigue life, while the stainless steel cage offers corrosion resistance and dimensional stability.
- Precision Tolerances: Features tight dimensional tolerances (bore: -0.125mm to 0, outside diameter: -0.16mm to 0) for precise fitment and optimal load distribution in high-precision assemblies.
- Robust Construction: With a substantial width of 160 mm and carefully controlled chamfer dimensions, this bearing provides stable operation and enhanced structural integrity.
- Environmental Compliance: Meets ROHS and REACH standards, making it suitable for regulated industrial environments.
511/1120 F Bearing Typical Application Areas
- Heavy Industrial Machinery: Vertical pumps, large compressors, and industrial gearboxes requiring high thrust load capacity
- Power Generation Equipment: Hydroelectric turbines and generator thrust bearings
- Marine Propulsion Systems: Ship propeller shafts and marine thrust blocks
- Mining Equipment: Large crushers, hoists, and other machinery with significant axial loads
- Steel Mill Equipment: Rolling mill stands and other metal processing machinery
