51417 M
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
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Part No.
Part No.
51417 M
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
9.45 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
85 mm
Bore diameter tolerance
-0.02mm to 0
Outside diameter
180 mm
Outside diameter tolerance
-0.025mm to 0
Width
72 mm
Width tolerance
+0.025mm to -0.3mm
Chamfer dimension
2.1 mm
Ball & Washer Dimensions
Housing washer inner diameter
88 mm
Shaft washer outer diameter
177 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
64350 lbf
Axial static load rating
168750 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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In Stock
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51417 M Bearing Product Overview & Core Advantages
The 51417 M is a metric thrust ball bearing engineered for demanding applications requiring exceptional axial load capacity and precision. This open-type bearing is designed exclusively to accommodate thrust loads in one direction, delivering high reliability and performance. Manufactured from 52100 Chrome Steel for both rings and balls, it ensures superior durability and wear resistance. Its key advantages include a high axial dynamic load rating of 64,350 lbf and an impressive axial static load rating of 168,750 lbf, making it ideal for heavy-duty thrust applications. The bearing's precision tolerances contribute to stable operation and long service life.
51417 M Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51417 | Standard bearing designation number, defining the core dimensions: 85mm bore, 180mm OD. |
| M | Indicates that the bearing is manufactured from copper-free materials, a critical requirement for applications where copper contamination must be avoided. |
51417 M Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: The robust design, featuring hardened 52100 Chrome Steel components, is optimized to handle significant thrust loads, with a very high static load rating for maximum stability in stationary or slow-rotating conditions.
- Precision & Stability: Tight dimensional tolerances on the bore diameter, outside diameter, and width ensure precise fitment and smooth, reliable operation, minimizing runout and vibration.
- Corrosion-Resistant Cage: The stainless steel cage provides excellent corrosion resistance and strength, contributing to the bearing's longevity and consistent performance, even in challenging environments.
- Wide Operating Range: With a temperature range of -30°C to 110°C, this bearing is suitable for a variety of industrial environments. Its open seal type allows for the use of specialized lubricants tailored to specific application needs.
- Compliance & Safety: The bearing is compliant with ROHS and REACH regulations, ensuring it meets international standards for restricted substances.
51417 M 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 Assemblies in industrial gearboxes and power transmission systems
- Vertical Pumps and Compressors for supporting impeller weights and hydraulic thrust
- Machine Tool Tables and positioning systems requiring precise axial guidance
- Cranes and Hoisting Equipment for handling substantial axial forces
- Automotive and Aerospace auxiliary systems requiring reliable thrust support
