511/750 M
51100 & 51000 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
511/750 M
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
155 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
750 mm
Bore diameter tolerance
-0.075mm to 0
Outside diameter
900 mm
Outside diameter tolerance
-0.1mm to 0
Width
120 mm
Width tolerance
+0.07mm to -0.75mm
Chamfer dimension
4 mm
Ball & Washer Dimensions
Housing washer inner diameter
755 mm
Shaft washer outer diameter
895 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
227250 lbf
Axial static load rating
1946250 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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511/750 M Bearing Product Overview & Core Advantages
The 511/750 M is a metric thrust ball bearing engineered for heavy-duty axial load applications. This open-type bearing is characterized by its large bore diameter of 750 mm and robust construction, designed to accommodate unidirectional thrust loads with high precision and reliability. Its high axial static load rating of 1,946,250 lbf makes it suitable for demanding industrial environments requiring exceptional load-carrying capacity and dimensional stability.
511/750 M Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation | Technical Significance |
|---|---|---|
| 511 | Thrust Ball Bearing Series | Designates a single-direction thrust ball bearing with a flat seating surface. |
| 750 | Bore Diameter | Specifies the 750 mm bore diameter, a key bearing dimension for shaft mounting. |
| M | Stainless Steel Cage | Indicates the use of a stainless steel cage, offering high strength and corrosion resistance for the cage component. |
511/750 M Bearing Structural Features & Performance Benefits
- High Load Capacity: Manufactured from 52100 Chrome Steel for both rings and balls, this bearing delivers an exceptional axial static load rating and axial dynamic load rating, making it ideal for applications with significant unidirectional thrust forces.
- Precision Tolerances: Features strict dimensional tolerances (e.g., bore diameter: -0.075mm to 0) ensuring precise fit and stable operation, critical for maintaining application accuracy.
- Robust Cage Design: The stainless steel cage provides superior durability and guidance for the balls, contributing to reliable performance under heavy loads.
- Wide Temperature Range: Operates effectively within a temperature range of -30°C to 110°C, accommodating various industrial operating conditions.
- Compliant Materials: The bearing is ROHS and REACH compliant, meeting international environmental and safety standards.
511/750 M Bearing Typical Application Areas
This thrust ball bearing is designed for machinery and systems requiring management of high axial loads. Common applications include:
- Heavy-duty industrial gearboxes and power transmission systems
- Large vertical pumps and compressors
- Cranes and hoisting equipment
- Marine propulsion systems and stern tubes
- Industrial fans and blowers with significant axial thrust
