51206
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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51206 Bearing Product Overview & Core Advantages
The 51206 metric thrust ball bearing is engineered for high-precision axial load applications. Designed exclusively to handle thrust loads in a single direction, it features an open design for optimal lubrication access and heat dissipation. Manufactured from 52100 Chrome Steel for rings and balls with a stainless steel cage, it delivers exceptional durability and reliable performance in demanding environments. Its compact dimensions and precise tolerances make it an ideal choice for applications requiring high rigidity and accurate axial positioning.
51206 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51 | Indicates a thrust ball bearing series. |
| 2 | Specifies the dimension series (width and outside diameter). |
| 06 | Denotes a bore diameter of 30 mm (06 x 5 = 30 mm). |
| Open (Seal Type) | No seals or shields, allowing for high-speed operation and direct lubrication. |
51206 Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: The bearing's design is optimized to support substantial thrust loads, with a dynamic load rating of 5648 lbf and a static load rating of 11475 lbf.
- Precision & Rigidity: Manufactured with tight tolerances on the bore diameter and outside diameter, it ensures minimal runout and stable operation under load, contributing to system high rigidity.
- High-Speed Capability: The stainless steel cage and open design enable a limiting speed of 6,700 rpm, making it suitable for applications requiring rapid rotation.
- Durable Material Construction: Components made from 52100 Chrome Steel offer excellent wear resistance and fatigue life, while the stainless steel cage provides corrosion resistance and strength.
- Wide Temperature Range: Operates effectively in temperatures from -30°C to 110°C, ensuring reliability across various environmental conditions.
51206 Bearing Typical Application Areas
This thrust ball bearing is widely used in machinery and systems that require management of heavy axial loads, including:
- Automotive Transmissions and steering systems
- Industrial Gearboxes and power transmission units
- Machine Tool Spindles and indexing heads
- Pumps and Compressors for thrust support
- Agricultural and Construction Machinery
