51276 F
51200 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
51276 F
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
73 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
380 mm
Bore diameter tolerance
-0.04mm to 0
Outside diameter
520 mm
Outside diameter tolerance
-0.05mm to 0
Width
112 mm
Width tolerance
+0.04mm to -0.5mm
Chamfer dimension
4 mm
Ball & Washer Dimensions
Housing washer inner diameter
385 mm
Shaft washer outer diameter
515 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
163800 lbf
Axial static load rating
933750 lbf
Limiting speed
0.7 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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51276 F Bearing Product Overview & Core Advantages
The 51276 F is a metric thrust ball bearing engineered for demanding applications requiring high axial load capacity and precision operation. This open-type bearing is designed to accommodate thrust loads in a single direction, featuring exceptional axial dynamic and static load ratings. Manufactured from high-grade 52100 Chrome Steel for its rings and balls, it ensures superior durability and performance in industrial environments. Its robust construction and compliance with ROHS and REACH standards make it a reliable and environmentally conscious choice for high-capacity machinery.
51276 F Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51276 | Basic bearing designation, indicating a thrust ball bearing with specific bearing dimensions (380mm bore, 520mm OD). |
| F | Suffix indicating a machined brass cage. This design offers high strength, excellent guidance, and is suitable for high-stress applications. |
| (No Seal Suffix) | The absence of a seal suffix denotes an open bearing design, optimized for easy re-lubrication and application in clean environments or where external sealing is provided. |
51276 F Bearing Structural Features & Performance Benefits
- High Load Capacity: Engineered with 52100 Chrome Steel components, this bearing delivers an exceptional axial static load rating of 933,750 lbf and a dynamic load rating of 163,800 lbf, making it ideal for supporting heavy thrust loads.
- Robust Cage Design: The stainless steel cage (F suffix) ensures precise ball guidance, reduces friction, and enhances operational stability, contributing to the bearing's reliability under high-stress conditions.
- Precision Tolerances: Features tight dimensional tolerances on the bore diameter and outside diameter, ensuring precise fit and optimal performance in the assembly.
- Wide Temperature Range: Operates effectively within a temperature range of -30°C to 110°C, providing versatility for various industrial climates and processes.
51276 F Bearing Typical Application Areas
This high-capacity thrust ball bearing is ideally suited for heavy-duty machinery and equipment, including:
- Vertical Pumps and Compressors
- Heavy-Duty Industrial Gearboxes
- Crane Hooks and Lifting Systems
- Large Valves and Actuators
- Marine Propulsion Systems
