51216
51200 Series Single Direction Thrust Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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Product Overview and Core Advantages
The 51216 is a metric thrust ball bearing engineered for demanding applications requiring high axial load capacity and precision operation. This bearing is specifically designed to accommodate thrust loads in a single direction, making it an ideal solution for scenarios where axial forces are predominant. Manufactured from high-grade 52100 Chrome Steel for both rings and balls, it delivers exceptional durability and reliable performance. Its compact design, combined with a high axial dynamic load rating of 17,122 lbf, ensures stable operation in high-stress environments, providing a robust and long-lasting component for critical machinery.
51216 Bearing Model Code Explained, Specifications & Naming Convention
The model number 51216 provides key information about the bearing's configuration. Below is a breakdown of its standard designation:
- 5: Indicates a Thrust Ball Bearing.
- 1: Denotes a one-directional design for carrying axial loads.
- 216: Specifies the dimensional series; '2' for the width series and '16' for the bore diameter code (80 mm).
This model features an Open (unsealed) design, allowing for versatile lubrication options but requiring a protected operating environment. The absence of additional suffixes indicates a standard, high-performance configuration.
Structural Features and Performance Benefits
The 51216 thrust ball bearing is characterized by several key structural features that translate directly into performance benefits:
- High Axial Load Capacity: The bearing's geometry and use of chrome steel components are optimized to handle significant axial static load ratings of 46,800 lbf, providing high resistance to deformation under heavy loads.
- Precision and Stability: With tight dimensional tolerances on the bore and outside diameter, this bearing ensures precise shaft and housing fits, contributing to reduced runout and smooth operation.
- Corrosion-Resistant Cage: The stainless steel cage provides excellent strength and corrosion resistance, ensuring reliable ball guidance and extended service life, even in challenging environments.
- High-Speed Capability: The design supports a limiting speed of 3,400 rpm, making it suitable for a range of industrial applications requiring rapid rotation under thrust conditions.
51216 Bearing Typical Application Areas
The 51216 thrust ball bearing is widely used in machinery and equipment where high axial loads are a primary concern. Common application areas include:
- Automotive Systems: Such as clutches and steering mechanisms.
- Industrial Machinery: Including heavy-duty machine tools, presses, and injection molding machines.
- Power Transmission: Applications within gearboxes and pulleys that require management of axial forces.
- Material Handling Equipment: Cranes and hoists that utilize vertical thrust loads.
