51452
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
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Part No.
Part No.
51452
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
149.5 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
260 mm
Bore diameter tolerance
-0.035mm to 0
Outside diameter
480 mm
Outside diameter tolerance
-0.045mm to 0
Width
175 mm
Width tolerance
+0.04mm to -0.4mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
262802 lbf
Axial static load rating
1115727 lbf
Limiting speed
0.34 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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51452 Bearing Product Overview & Core Advantages
The 51452 is a heavy-duty thrust ball bearing engineered for applications demanding exceptional axial load capacity and robust construction. This metric system bearing is designed to accommodate thrust loads in a single direction, making it ideal for high-stress environments. Its large bore diameter of 260 mm and substantial cross-section provide superior stability and support. Manufactured from high-grade 52100 Chrome Steel for both rings and balls, it ensures excellent durability and wear resistance, suitable for demanding industrial use where reliability is paramount.
51452 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51452 | Basic model number for a thrust ball bearing with specific dimensions. |
| Open (Seal Type) | The bearing is supplied without integral seals or shields, requiring external sealing for contaminated environments. |
| Thrust (Load Direction) | Specifically designed to handle axial loads parallel to the shaft axis. |
51452 Bearing Structural Features & Performance Benefits
- Exceptional Axial Load Capacity: Engineered with a robust single-direction design, this bearing offers an impressive axial dynamic load rating of 262,802 lbf and a massive axial static load rating of 1,115,727 lbf, making it suitable for applications with significant thrust forces.
- Durable Material Construction: The use of 52100 Chrome Steel for the rings, balls, and cage ensures high hardness, excellent resistance to fatigue, and long service life under heavy loads.
- Precision Ground Dimensions: Features tight tolerances on the bore diameter, outside diameter, and width to ensure precise fit and stable operation within the assembly.
- High-Temperature Capability: With a temperature range of -30°C to 110°C, it performs reliably in a wide array of operating conditions. Note that a limiting speed of 0.34 x 1000 rpm requires careful consideration of lubrication and cooling for high-speed operation.
51452 Bearing Typical Application Areas
This thrust ball bearing is ideally suited for heavy machinery and equipment where substantial axial loads are present. Key applications include:
- Heavy-Duty Industrial Gearboxes
- Vertical Pumps and Compressors
- Cranes and Hoisting Equipment
- Large Mining and Construction Machinery
- Marine Propulsion Systems
