1220-K-M-C3
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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1220-K-M-C3 Bearing Product Overview & Core Advantages
The 1220-K-M-C3 is a metric double row angular contact ball bearing engineered for demanding industrial applications requiring high precision and reliability. Featuring a 1:12 tapered bore for secure shaft mounting, this bearing delivers exceptional performance in handling radial loads while maintaining dimensional stability. Its double row design provides high rigidity and excellent running accuracy, making it ideal for applications where precise shaft positioning is critical. The bearing comes pre-lubricated and features optimized internal geometry for smooth operation across its specified temperature range.
1220-K-M-C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1220 | Basic bearing designation indicating size series and bore diameter |
| K | Tapered bore with 1:12 taper ratio for precise mounting |
| M | Brass cage providing excellent strength and wear resistance |
| C3 | Radial internal clearance greater than normal for thermal expansion compensation |
1220-K-M-C3 Bearing Structural Features & Performance Benefits
Double Row Design: The double row angular contact configuration provides high rigidity and superior load distribution, enabling the bearing to maintain precision under demanding operating conditions.
Optimized Material Selection: Constructed from chrome steel for both rings and balls, combined with a brass cage, ensures excellent durability and consistent performance across the operating temperature range of -30°C to 110°C.
Tapered Bore Advantage: The 1:12 tapered bore facilitates precise mounting and dismounting while ensuring secure shaft fixation, minimizing slippage and maintaining positional accuracy.
Enhanced Load Capacity: With a dynamic load rating of 15,502 lbf and static load rating of 6,750 lbf, this bearing delivers reliable performance in applications requiring substantial radial load support.
C3 Clearance Benefits: The greater than normal radial internal clearance accommodates thermal expansion in high-speed applications, contributing to stable operation and extended service life.
1220-K-M-C3 Bearing Typical Application Areas
The 1220-K-M-C3 double row angular contact ball bearing is particularly suited for:
- Industrial Gearboxes and power transmission systems
- Machine Tool Spindles requiring high precision and rigidity
- Material Handling Equipment with demanding load requirements
- Pump and Compressor Systems where reliable performance is essential
- Industrial Fans and Blowers operating at moderate to high speeds
- Agricultural Machinery components requiring robust bearing solutions
