1213-K C/4
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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1213-K C/4 Bearing Product Overview & Core Advantages
The 1213-K C/4 is a metric double row angular contact ball bearing featuring a tapered bore design (1:12 ratio). Engineered for applications requiring high precision and reliability, this bearing excels at handling combined radial and axial loads simultaneously. Its double row construction provides superior rigidity and load capacity in a compact design, making it ideal for demanding industrial environments. The bearing comes pre-lubricated and features a nylon cage optimized for smooth operation.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 1213 | Basic bearing designation indicating dimensions (65mm bore × 120mm OD × 23mm width) |
| K | Tapered bore with 1:12 ratio for precise mounting and adjustment |
| C/4 | Specifies CN radial internal clearance (normal clearance group) |
1213-K C/4 Bearing Structural Features & Performance Benefits
High Rigidity Design: The double row angular contact configuration provides enhanced stiffness and stability under complex loading conditions, reducing deflection in precision applications.
Superior Load Capacity: Engineered to handle significant combined radial and axial loads simultaneously, with a dynamic load rating of 7898 lbf and static load rating of 3150 lbf.
Optimized High-Speed Performance: The nylon cage ensures smooth operation at high rotational speeds, supporting limiting speeds up to 7000 rpm while reducing friction and heat generation.
Precision Tapered Bore: The 1:12 taper ratio enables precise mounting and adjustment on tapered shafts, ensuring optimal fit and performance in demanding applications.
Pre-lubricated Operation: Factory-applied lubrication provides immediate readiness for service and reliable performance across the operating temperature range of -30°C to 110°C.
1213-K C/4 Bearing Typical Application Areas
- Machine Tool Spindles - Precision machining centers requiring high rigidity and accuracy
- Industrial Gearboxes - Power transmission systems demanding reliable bearing performance
- Material Handling Equipment - Conveyor systems and automated handling machinery
- Electric Motors - High-speed motor applications requiring stable bearing operation
- Agricultural Machinery - Heavy-duty equipment needing robust bearing solutions
- Pump Systems - Industrial pumps operating under combined radial and axial loads
