1211 EKTN9
1200 Series Self Aligning Ball Bearings
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Part No.
Part No.
1211 EKTN9
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
0.71 kg
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.015mm to 0
Width
21 mm
Width tolerance
-0.15mm to 0
Chamfer dimension
1.5 mm
Inner Ring Dimensions
Shoulder diameter inner ring
70.3 mm
Outer Ring Dimensions
Shoulder diameter outer ring
86.5 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
6210 lbf
Radial static load rating
2385 lbf
Limiting speed
9 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Nylon
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 27.21
/ each
In Stock
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1211 EKTN9 Bearing Product Overview & Core Advantages
The 1211 EKTN9 is a double row angular contact ball bearing designed for applications requiring high precision and reliable performance. This precision bearing excels at simultaneously handling combined loads, supporting significant radial forces and bidirectional axial loads. Its compact design, featuring a 55 mm bore and 100 mm outside diameter, offers a space-saving solution without compromising performance. Manufactured from high-grade chrome steel and equipped with a nylon cage, it is engineered for demanding operational environments.
1211 EKTN9 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| EK | Optimized internal design for enhanced load capacity and stiffness. |
| TN9 | Nylon (polyamide) cage, glass fiber reinforced. Contributes to high-speed performance, lower friction, and quieter operation. |
1211 EKTN9 Bearing Structural Features & Performance Benefits
- High Rigidity: The double row construction provides superior radial and axial stiffness, ensuring stable shaft support and precise positioning under combined loads.
- Load Capacity: Engineered to handle substantial radial dynamic loads (6210 lbf) and bidirectional axial loads efficiently, making it suitable for complex loading conditions.
- High-Speed Performance: The lightweight TN9 cage and optimized internal geometry enable a high limiting speed of 9,000 rpm, qualifying it as a high-speed bearing.
- Pre-Lubricated & Ready-to-Use: Comes pre-lubricated for immediate installation and initial operation, suitable for the specified temperature range of -30°C to 110°C.
1211 EKTN9 Bearing Typical Application Areas
This bearing is ideally suited for a wide range of industrial machinery, including:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment
- Precision Agricultural Machinery
