1206 C3
1200 Series Self Aligning Ball Bearings
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Part No.
Part No.
1206 C3
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
0.22 kg
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.01mm to 0
Bore type
Cylindrical
Outside diameter
62 mm
Outside diameter tolerance
-0.013mm to 0
Width
16 mm
Width tolerance
-0.12mm to 0
Chamfer dimension
1 mm
Inner Ring Dimensions
Shoulder diameter inner ring
40.3 mm
Outer Ring Dimensions
Shoulder diameter outer ring
51.9 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
3510 lbf
Radial static load rating
1046 lbf
Limiting speed
15 X 1000 rpm
Lubrication
Lubricated
Radial internal clearance
C3
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Nylon
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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1206 C3 Bearing Product Overview & Core Advantages
The 1206 C3 is a double row deep groove ball bearing designed for robust performance in demanding applications. This metric bearing excels at handling significant radial loads and offers a compact design, making it ideal for applications requiring high reliability in a confined space. Its defining feature is the specified C3 radial internal clearance, which accommodates thermal expansion and interference fits, ensuring stable operation under varying thermal conditions and heavy loads.
1206 C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 1206 | Basic Bearing Code | Indicates a metric series bearing with a 30mm bore, 62mm OD, and 16mm width. |
| C3 | Radial Internal Clearance | Specifies a greater-than-normal radial internal clearance. This is critical for applications with thermal expansion, heavy loads, or where shaft and housing fits create a reduction in operational clearance. |
1206 C3 Bearing Structural Features & Performance Benefits
- High Load Capacity & Rigidity: The double row ball bearing construction provides superior radial load rating and rigidity compared to single-row designs, offering stable support for shafts and reducing deflection.
- Optimized for Challenging Conditions: The specified C3 clearance is a key performance feature. It prevents bearing seizure or excessive preload that can occur from thermal expansion or tight fitting practices, thereby enhancing operational reliability and service life.
- Lightweight & Efficient Operation: The Nylon cage ensures smooth operation at high speeds with minimal friction and excellent guidance for the balls. This contributes to the bearing's limiting speed of 15,000 rpm.
- Pre-lubricated & Ready-to-Use: The bearing comes lubricated from the factory, simplifying installation and providing immediate protection against wear.
- Precision Dimensions: Manufactured with tight dimensional tolerances on the bore diameter, outside diameter, and width, ensuring precise fit and predictable performance in assemblies.
1206 C3 Bearing Typical Application Areas
This bearing is well-suited for a wide range of industrial machinery where high radial load capacity and accommodation for thermal effects are required. Key applications include:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (conveyors, pulleys)
- Agricultural Machinery
- General machinery with heavy-duty radial loads
