1212 ETN9/C3
1200 Series Self Aligning Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
1212 ETN9/C3
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
0.9 kg
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.015mm to 0
Bore type
Cylindrical
Outside diameter
110 mm
Outside diameter tolerance
-0.015mm to 0
Width
22 mm
Width tolerance
-0.15mm to 0
Chamfer dimension
1.5 mm
Inner Ring Dimensions
Shoulder diameter inner ring
78 mm
Outer Ring Dimensions
Shoulder diameter outer ring
95.6 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
7020 lbf
Radial static load rating
2745 lbf
Limiting speed
8 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
No drawings available at the moment, will be launched soon
Price:
$ 63.76
/ each
In Stock
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1212 ETN9/C3 Bearing Product Overview & Core Advantages
The 1212 ETN9/C3 is a double row angular contact ball bearing engineered for applications demanding high rigidity and reliable performance under combined loads. Its metric design features an open construction, enabling it to simultaneously handle significant radial loads and bidirectional axial loads. Manufactured with chrome steel rings and balls, and a lightweight Nylon cage, this precision bearing offers an optimized balance of strength, speed capability, and operational stability, making it an ideal choice for compact, high-performance assemblies.
1212 ETN9/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| E | Optimized internal design | Enhanced load capacity and performance. |
| TN9 | Nylon (Polyamide) cage, glass fiber reinforced | Reduced friction, excellent for high-speed operation, and good acceleration characteristics. |
| C3 | Greater radial internal clearance than normal | Accommodates thermal expansion, suitable for applications with higher operational temperatures or where fits create preload. |
1212 ETN9/C3 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row construction provides superior radial and moment stiffness, enabling the bearing to support substantial combined loads (radial and axial acting simultaneously) without sacrificing precision.
- Optimized High-Speed Performance: The lightweight TN9 Nylon cage minimizes centrifugal forces and ensures smooth operation, contributing to the high limiting speed of 8,000 rpm. The open design facilitates efficient lubrication management for sustained high-speed running.
- Precision & Durability: Components made from chrome steel offer high wear resistance and fatigue life. The cylindrical bore with strict diameter tolerances ensures precise shaft fits and reliable rotational accuracy.
- Operational Versatility: The specified C3 clearance provides operational flexibility in environments with thermal gradients or where interference fits are used, preventing premature failure due to excessive preload.
1212 ETN9/C3 Bearing Typical Application Areas
This bearing is suited for a wide range of industrial machinery requiring robust performance and high reliability. Common applications include:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
