51318
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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51318 Bearing Product Overview & Core Advantages
The 51318 metric thrust ball bearing is engineered for demanding applications requiring exceptional axial load capacity and precision. This thrust bearing is designed to accommodate high thrust loads in a single direction, making it ideal for scenarios where space is constrained and high load support is critical. Manufactured from 52100 Chrome Steel for both rings and balls, it ensures superior durability and performance in industrial environments. Its open design allows for versatile lubrication options, catering to specific operational needs.
51318 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51318 | Standard metric series designation for a thrust ball bearing. |
| Open (Seal Type) | No integral seals or shields, allowing for high-speed operation and custom lubrication schemes. |
51318 Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: With a dynamic load rating of 40,950 lbf and a static load rating of 99,000 lbf, this bearing is built to handle significant thrust forces reliably.
- Precision Ground Components: The tight dimensional tolerances on the bore (-0.02mm to 0) and outside diameter (-0.025mm to 0) ensure precise fit and stable operation in high-precision assemblies.
- Optimized for Speed: The stainless steel cage and open design contribute to a high limiting speed of 2,200 rpm, suitable for various rotational applications.
- Robust Material Construction: Utilizing 52100 Chrome Steel for rolling elements and rings provides excellent wear resistance and fatigue life, while the stainless steel cage offers corrosion resistance and strength.
- Wide Operating Temperature: Capable of operating in temperatures from -30°C to 110°C, ensuring performance across diverse environmental conditions.
51318 Bearing Typical Application Areas
This thrust ball bearing is commonly specified in industries and equipment including:
- Industrial Gearboxes and power transmission systems
- Automotive Transmissions and clutch assemblies
- Heavy-Duty Machinery such as construction and mining equipment
- Pumps and Compressors for handling axial loads
- Aerospace Actuation Systems requiring precise thrust control
