51409
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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51409 Bearing Product Overview & Core Advantages
The 51409 metric thrust ball bearing is engineered for high-precision axial load applications requiring exceptional rigidity and dimensional accuracy. This thrust bearing features open design for maximum speed capability and is manufactured from premium 52100 chrome steel for superior durability. Its precision-ground raceways and stainless steel cage ensure smooth operation under heavy thrust loads, making it ideal for applications demanding reliable axial load support with minimal friction.
51409 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51 | Thrust ball bearing series |
| 409 | Standard dimension series (45mm bore × 100mm OD × 39mm width) |
| Open | No seals or shields for maximum speed capability |
51409 Bearing Structural Features & Performance Benefits
High Rigidity Design: Precision-ground raceways and matched components provide exceptional axial stiffness for accurate positioning under heavy thrust loads.
Superior Load Capacity: Engineered to handle axial dynamic loads up to 27,900 lbf and axial static loads up to 54,000 lbf, ensuring reliable performance in demanding applications.
Optimized High-Speed Performance: The stainless steel cage and open design enable limiting speeds of 3,000 rpm, suitable for high-velocity applications.
Premium Material Construction: Manufactured from 52100 chrome steel for raceways and balls with stainless steel cage, providing excellent wear resistance and corrosion protection.
Precision Tolerances: Tight dimensional controls with bore tolerance of -0.012mm to 0 ensure precise fit and optimal performance in high-accuracy applications.
51409 Bearing Typical Application Areas
- Machine tool spindles and positioning systems
- Industrial pumps and compressor assemblies
- Automotive steering systems and transmission components
- Material handling equipment and lifting mechanisms
- Precision instrumentation and testing equipment
- Aerospace control systems and actuation mechanisms
