1205SK
1200 Series Self Aligning Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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1205SK Bearing Product Overview & Core Advantages
The 1205SK is a metric double row angular contact ball bearing designed for exceptional performance in demanding applications. Featuring a tapered bore (1:12) and open construction, this precision bearing excels at handling significant radial loads. Its double row design provides superior rigidity and stability, making it ideal for applications requiring high rotational accuracy and reliability. Pre-lubricated and manufactured from high-grade chrome steel, it offers a long service life and consistent operation.
1205SK Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1205 | Standard bore diameter code (25 mm) and dimension series. |
| SK | Indicates a tapered bore with a 1:12 ratio, designed for precise mounting and positioning on adapter sleeves or withdrawal sleeves. |
Note: This is an open bearing with a nylon cage and standard CN radial internal clearance.
1205SK Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball bearing construction provides excellent resistance to deflection, supporting high radial loads (Dynamic: 3218 lbf / Static: 900 lbf) and ensuring stable shaft positioning.
- Tapered Bore Design: The 1:12 taper bore allows for precise axial adjustment and secure fitting on a tapered shaft or adapter sleeve, eliminating internal clearance and enhancing system rigidity.
- Optimized for Speed: The lightweight nylon cage and balanced design contribute to a high limiting speed of 18,000 rpm, suitable for high-speed applications.
- Pre-Lubricated & Ready-to-Use: Factory-applied lubrication ensures immediate operation and reduces initial maintenance requirements.
- Material Integrity: Manufactured from chrome steel for both rings and balls, ensuring high durability, wear resistance, and a long operational lifespan within a temperature range of -30°C to 110°C.
1205SK Bearing Typical Application Areas
The 1205SK is engineered for robust performance in a variety of industrial settings, including:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Conveyors
- Agricultural Machinery
- General Machinery requiring a bearing with a tapered bore for secure mounting.
