51080 F
51100 & 51000 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
51080 F
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
5.35 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
400 mm
Bore diameter tolerance
-0.04mm to 0
Outside diameter
440 mm
Outside diameter tolerance
-0.045mm to 0
Width
30 mm
Width tolerance
+0.04mm to -0.5mm
Chamfer dimension
1 mm
Ball & Washer Dimensions
Housing washer inner diameter
401.5 mm
Shaft washer outer diameter
438.5 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
27900 lbf
Axial static load rating
202500 lbf
Limiting speed
1.6 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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51080 F Bearing Product Overview & Core Advantages
The 51080 F is a metric thrust ball bearing engineered for demanding applications requiring high axial load capacity and precision operation. This open-type bearing is designed exclusively to accommodate thrust loads along a single axis. Manufactured from high-grade 52100 Chrome Steel for both rings and balls, it delivers exceptional durability and performance. Its key advantages include a high axial static load rating of 202,500 lbf and a robust construction suitable for moderate-speed applications, making it an ideal choice for high-reliability industrial environments.
51080 F Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51080 | Standard bearing series designation, defining the core dimensions (400mm bore, 440mm OD). |
| F | Indicates a precision ground bearing, ensuring tight dimensional tolerances for accurate positioning and smooth operation. |
51080 F Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: The bearing's geometry and use of chrome steel components are optimized to handle significant axial dynamic and static loads (27,900 lbf and 202,500 lbf respectively), providing robust support in thrust applications.
- Precision Ground Surfaces: The "F" suffix signifies that the bearing's raceways and surfaces are precision-ground. This results in smooth rolling motion, reduced vibration, and enhanced operational accuracy.
- Stainless Steel Cage: The inclusion of a stainless steel cage ensures superior corrosion resistance and mechanical strength, contributing to the bearing's longevity and stable performance at the limiting speed of 1,600 rpm.
- Wide Temperature Range: The bearing is capable of operating effectively within a temperature range of -30°C to 110°C, offering versatility for various industrial climates.
- Compliant Design: The bearing is compliant with ROHS and REACH regulations, making it suitable for use in environmentally conscious industries.
51080 F Bearing Typical Application Areas
This thrust ball bearing is ideally suited for machinery and systems where high unidirectional axial loads are present. Common applications include:
- Heavy-Duty Thrust Applications: Such as vertical pumps, industrial gearboxes, and crane hooks.
- Power Transmission Systems: Used in applications like screw down systems in rolling mills and positioning tables.
- General Industrial Machinery: Including machine tools, pulverizers, and other equipment requiring precise axial location and high thrust capacity.
