51405
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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51405 Bearing Product Overview & Core Advantages
The 51405 is a high-precision thrust ball bearing designed for applications requiring exceptional axial load capacity and reliable performance. Engineered with 52100 Chrome Steel rings and balls, it delivers superior durability and wear resistance. This bearing is characterized by its ability to accommodate unidirectional axial loads with high efficiency, making it an ideal choice for compact assemblies where space is at a premium. Its open seal type allows for easy re-lubrication and maintenance, while the strict dimensional tolerances ensure precise fit and operation in demanding environments.
51405 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51405 | Basic model number indicating a metric thrust ball bearing with specific dimensions |
| Open | No seals or shields, allowing for high-speed operation and easy maintenance access |
51405 Bearing Structural Features & Performance Benefits
High Load Capacity: The 51405 thrust ball bearing features optimized raceway geometry and high-quality 52100 Chrome Steel construction, enabling it to handle substantial axial dynamic loads up to 9518 lbf and axial static loads up to 15075 lbf.
Precision Engineering: Manufactured with tight dimensional tolerances (bore diameter tolerance: -0.01mm to 0, outside diameter tolerance: -0.015mm to 0), this bearing ensures precise alignment and smooth operation in high-precision applications.
High-Speed Capability: The stainless steel cage provides excellent guidance and stability, contributing to the bearing's limiting speed of 5000 rpm while maintaining operational reliability.
Temperature Resistance: With an operating temperature range of -30° to 110 °C, the 51405 maintains consistent performance across various environmental conditions.
51405 Bearing Typical Application Areas
- Automotive Systems: Steering mechanisms, clutch release bearings
- Industrial Machinery: Machine tool spindles, vertical pumps, and compressors
- Material Handling Equipment: Lifting systems, conveyor thrust assemblies
- Aerospace Components: Actuation systems and control mechanisms
- Precision Instruments: Medical equipment and testing apparatus requiring axial load support
