51340 M
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
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Part No.
Part No.
51340 M
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
44.5 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
200 mm
Bore diameter tolerance
-0.03mm to 0
Outside diameter
340 mm
Outside diameter tolerance
-0.04mm to 0
Width
110 mm
Width tolerance
+0.03mm to -0.4mm
Chamfer dimension
4 mm
Ball & Washer Dimensions
Housing washer inner diameter
205 mm
Shaft washer outer diameter
335 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
140400 lbf
Axial static load rating
585000 lbf
Limiting speed
0.9 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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51340 M Bearing Product Overview & Core Advantages
The 51340 M is a metric thrust ball bearing engineered for demanding applications requiring exceptional axial load capacity. This precision bearing is designed exclusively to handle heavy thrust loads in a single direction, offering high rigidity and reliable performance. Its robust construction, featuring chrome steel components and a stainless steel cage, ensures durability and consistent operation. The open design allows for versatile lubrication options, making it suitable for high-load, moderate-speed environments where reliability is paramount.
51340 M Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51340 | Basic bearing designation, indicating a thrust ball bearing with a 200 mm bore and 340 mm outside diameter. |
| M | Signifies the use of a stainless steel cage, providing enhanced corrosion resistance and durability. |
51340 M 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 140,400 lbf and axial static load ratings of 585,000 lbf, making it ideal for heavy-duty thrust applications.
- Durable Material Construction: Composed of 52100 Chrome Steel for rings and balls, ensuring high hardness and wear resistance, combined with a stainless steel cage for improved corrosion resistance and cage integrity.
- Precision Engineering: Features tight dimensional tolerances on the bore diameter and outside diameter for precise fit and stable operation within assemblies.
- Open Seal Design: The open seal type allows for custom lubrication schemes, enabling optimization for specific speed and temperature conditions within the operating range of -30°C to 110°C.
51340 M Bearing Typical Application Areas
- Heavy Machinery: Thrust supports in large gearboxes, industrial presses, and extruders.
- Power Generation: Vertical pumps, turbines, and wind turbine pitch control systems.
- Marine & Offshore: Steering gears, thrusters, and deck machinery requiring high axial load capacity.
- Construction Equipment: Cranes, hoists, and other machinery with significant axial force components.
