1219-K C/3
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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1219-K C/3 Bearing Product Overview & Core Advantages
The 1219-K C/3 is a double row angular contact ball bearing engineered for demanding industrial applications requiring high precision and robust performance. This metric bearing features a tapered bore (1:12) for precise mounting and secure shaft fixation. Its double row design provides exceptional rigidity and enables it to accommodate significant combined loads, including substantial radial forces. Manufactured with chrome steel rings and balls, along with a stainless steel cage, it delivers reliable operation and long service life. The bearing is pre-lubricated and comes with a standard CN radial internal clearance, making it a ready-to-install solution for high-reliability systems.
1219-K C/3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1219-K | Indicates the basic bearing designation with a tapered bore (1:12). |
| C/3 | Specifies the radial internal clearance group. C3 denotes a clearance greater than the standard CN group, making it suitable for applications with higher operational temperatures or where interference fits are used. |
1219-K C/3 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball bearing construction provides superior stiffness and stability, allowing it to handle heavy radial loads and moderate axial loads from both directions simultaneously.
- Precision Tapered Bore: The 1:12 taper enables precise axial positioning and a secure, interference fit on a tapered shaft adapter, eliminating inner ring creep and ensuring optimal performance.
- Optimized Cage Design: The stainless steel cage ensures low friction, excellent guidance of the balls, and contributes to the bearing's high limiting speed of 5000 rpm.
- Pre-Lubricated & Ready for Use: Factory-applied lubrication reduces initial setup time and provides immediate protection, suitable for the specified operating temperature range.
- Superior Material: Components made from chrome steel offer high load ratings and durability, while the stainless steel cage provides corrosion resistance.
1219-K C/3 Bearing Typical Application Areas
- Machine Tool Spindles
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Vibrating Screens and Other Heavy Machinery
- Agricultural and Construction Equipment
