1212-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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1212-K C/3 Bearing Product Overview & Core Advantages
The 1212-K C/3 is a metric double row angular contact ball bearing engineered for applications requiring high rigidity and precise operation. Featuring a tapered bore (1:12 ratio), it is designed to handle significant combined loads, including radial and bidirectional axial forces, simultaneously. Its compact design and high load-carrying capacity make it an ideal choice for demanding industrial environments where reliability and performance are critical. The bearing comes pre-lubricated and is optimized for efficient operation within a broad temperature range.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 1212 | Standard bearing series designation, indicating the basic bearing dimensions (60mm bore, 110mm OD). |
| K | Indicates a tapered bore with a 1:12 ratio, allowing for precise mounting and clearance adjustment on a tapered shaft adapter. |
| C/3 | Specifies the radial internal clearance group. C3 denotes a clearance greater than normal (CN), suitable for applications with thermal expansion or where interference fits are used. |
1212-K C/3 Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row ball complement and angular contact design provide superior stiffness, enabling the bearing to support substantial combined loads (radial and axial) with minimal deflection.
Precision Tapered Bore: The 1:12 tapered bore facilitates accurate and secure mounting on a tapered shaft, allowing for precise axial positioning and control over the internal clearance.
Optimized Cage & Speed: The nylon cage ensures smooth operation at the specified limiting speed of 8,000 rpm, contributing to low friction and reduced heat generation.
Pre-Lubricated & Ready-to-Use: The bearing is supplied with initial lubrication, ensuring immediate operational readiness and protection during the run-in period.
1212-K C/3 Bearing Typical Application Areas
This precision bearing is commonly specified in applications requiring robust performance and high rigidity, such as:
- Industrial Gearboxes and power transmission systems
- Agricultural Machinery (e.g., tractor gearboxes)
- Material Handling Equipment
- Pump and Compressor shafts
- Machinery utilizing tapered shaft adapters for mounting
