512/850-M
51200 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
512/850-M
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
608.4 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
850 mm
Bore diameter tolerance
-0.1mm to 0
Outside diameter
1120 mm
Outside diameter tolerance
-0.125mm to 0
Width
212 mm
Width tolerance
+0.08mm to -1mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
418819 lbf
Axial static load rating
3339312 lbf
Limiting speed
0.4 X 1000 rpm
Lubrication
Required
Materials
Ring material
52100 Chrome Steel
Ball material
52100 Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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512/850-M Bearing Product Overview & Core Advantages
The 512/850-M is a metric thrust ball bearing engineered for applications requiring exceptional axial load capacity and robust construction. This bearing is specifically designed to accommodate unidirectional thrust loads with high precision and reliability. Its large bore diameter of 850 mm makes it suitable for heavy-duty industrial machinery where substantial axial forces are present. Manufactured from high-grade 52100 Chrome Steel, it ensures durability and long service life under demanding operating conditions.
512/850-M Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| 512 | Indicates a thrust ball bearing series with a flat seat washer. |
| 850 | Specifies the bore diameter of 850 mm. |
| M | Denotes copper alloy cage material (as per common industry designation), providing strength and thermal stability. |
512/850-M Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: With an axial static load rating of 3,339,312 lbf and a dynamic rating of 418,819 lbf, this bearing is built to withstand extreme thrust forces in heavy machinery.
- Robust Construction: Components including rings, balls, and cage are manufactured from 52100 Chrome Steel, ensuring high hardness, wear resistance, and dimensional stability.
- Precision Tolerances: Tight dimensional tolerances on bore, outside diameter, and width enable precise mounting and reliable performance in high-accuracy applications.
- Open Design: The open seal type allows for custom lubrication solutions tailored to specific operational needs, though it requires proper lubrication for optimal performance.
512/850-M Bearing Typical Application Areas
- Heavy-Duty Industrial Machinery: Such as large vertical pumps, industrial gearboxes, and heavy presses.
- Power Generation Equipment: Including hydroelectric turbines and large generator thrust assemblies.
- Marine Propulsion Systems: For thrust bearing applications in ship propeller shafts.
- Mining and Construction Equipment: Where high axial loads are encountered in large rotating assemblies.
