51480
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
51480
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
438.5 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
400 mm
Bore diameter tolerance
-0.04mm to 0
Outside diameter
710 mm
Outside diameter tolerance
-0.075mm to 0
Width
243 mm
Width tolerance
+0.04mmm to -0.5mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
405555 lbf
Axial static load rating
2311036 lbf
Limiting speed
0.32 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
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In Stock
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51480 Bearing Product Overview & Core Advantages
The 51480 is a metric thrust ball bearing engineered for applications requiring high-capacity axial load support. This open-type bearing is designed to accommodate heavy thrust loads in a single direction, making it an ideal solution for heavy machinery and industrial equipment where space and load capacity are critical. Its robust construction from 52100 Chrome Steel ensures durability and reliable performance under demanding conditions. The bearing's large dimensions and high load ratings provide a highly rigid and stable platform for axial force transmission.
51480 Bearing Model Code Explained, Specifications & Naming Convention
The model number 51480 follows a standard thrust ball bearing designation. Key specifications derived from the product data are:
- 51480: Standard model number for a metric thrust ball bearing.
- Seal Type: Open: The bearing is supplied without seals or shields, allowing for customized lubrication solutions and facilitating heat dissipation in high-load applications.
- For Load Direction: Thrust: Specifically designed to handle axial loads.
51480 Bearing Structural Features & Performance Benefits
The performance of the 51480 is defined by its structural design and material selection.
- High Load Capacity: With an axial dynamic load rating of 405,555 lbf and an axial static load rating of 2,311,036 lbf, this bearing is built to withstand extreme thrust forces.
- Robust Construction: The rings, balls, and cage are all manufactured from 52100 Chrome Steel, providing high hardness, wear resistance, and long service life.
- Precision Dimensions: The tight tolerances on the bore diameter (400 mm), outside diameter (710 mm), and width (243 mm) ensure precise fitment and reliable operation within the assembly.
- Application-Specific Limiting Speed: The limiting speed of 0.32 x 1000 rpm indicates this bearing is optimized for low to moderate speed, high-load applications.
51480 Bearing Typical Application Areas
The 51480 thrust ball bearing is suited for a range of heavy-duty industrial applications, including:
- Vertical Pumps and Turbines
- Heavy-Duty Machine Tool Spindles
- Industrial Gearboxes
- Cranes and Lifting Equipment
- Marine Propulsion Systems
- Presses and Extrusion Machinery
