511/850 F
51100 & 51000 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
511/850 F
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
165 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
850 mm
Bore diameter tolerance
-0.1mm to 0
Outside diameter
1000 mm
Outside diameter tolerance
-0.1mm to 0
Width
120 mm
Width tolerance
+0.08mm to -1.00mm
Chamfer dimension
4 mm
Ball & Washer Dimensions
Housing washer inner diameter
855 mm
Shaft washer outer diameter
995 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
238500 lbf
Axial static load rating
2137500 lbf
Limiting speed
0.5 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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511/850 F Bearing Product Overview & Core Advantages
The 511/850 F is a metric thrust ball bearing engineered for heavy-duty axial load applications. This open-type bearing excels in handling unidirectional thrust loads with exceptional reliability. Its robust construction, utilizing 52100 Chrome Steel for rings and balls, ensures high durability and performance in demanding environments. Designed with a large bore diameter of 850 mm, it is ideal for applications requiring substantial axial load capacity and precise axial positioning.
511/850 F Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 511 | Basic model designation for a thrust ball bearing. |
| 850 | Nominal bore diameter in millimeters (850 mm). |
| F | Suffix indicating a precision-machined, ground thrust bearing for high running accuracy. |
| Open (Seal Type) | No integral seals, allowing for higher speed capability and custom lubrication solutions. |
511/850 F Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: Engineered with a large contact angle and robust construction to support substantial axial dynamic load ratings of 238,500 lbf and axial static load ratings of 2,137,500 lbf.
- Precision Ground Components: The shaft and housing washers are precision-ground to ensure smooth operation and accurate axial positioning, critical for heavy machinery.
- Stainless Steel Cage: The stainless steel cage provides excellent strength and corrosion resistance, ensuring reliable ball guidance and cage integrity.
- Optimized for Low-Speed, High-Load Applications: With a limiting speed of 0.5 x 1000 rpm, this bearing is designed for applications where high axial load takes precedence over rotational speed.
- Wide Temperature Range: Operational from -30°C to 110°C, making it suitable for various industrial environments.
511/850 F Bearing Typical Application Areas
- Heavy-Duty Industrial Machinery: Such as large vertical pumps, industrial gearboxes, and heavy press machines.
- Power Transmission Systems: Including thrust applications in wind turbine gearboxes and large marine propulsion systems.
- Construction and Mining Equipment: Used in applications like crane slewing rings and excavator swing mechanisms requiring high axial load support.
- Large Valves and Actuators: For precise axial positioning and load handling in large-scale fluid control systems.
