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The NJ 221 ECJ is a single row cylindrical roller bearing with a 105mm bore and 190mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 67500 lbf and runs smoothly at speeds up to 4000 RPM.
Its open design allows easy lubrication with grease or oil, while the steel cage ensures stable performance. The bearing operates well in temperatures from -30°C to 110°C.
This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial gearboxes or machinery where radial and axial loads are present.
Weighing 4kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.
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Performance Features of NJ 221 ECJ Bearing
NJ 221 ECJ Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 67500 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage keeps the rollers centred, reducing wear and extending service life.
With a maximum speed of 4000 rpm, it balances durability and efficiency for various industrial uses.
NJ 221 ECJ Bearing operates in temperatures from -30° to 110°C, making it suitable for diverse environments.
Its open design allows for easy lubrication with grease or oil, simplifying maintenance.
The precise dimensions and tolerances ensure smooth operation and easy integration into existing systems.
This bearing is interchangeable with SKF models, providing flexibility in replacements and upgrades.
Common Applications of NJ 221 ECJ Bearing
NJ 221 ECJ Bearing is widely used in industrial machinery, especially in gearboxes and large electric motors where combined radial and axial loads are common. Its robust chrome steel construction ensures reliable performance even in demanding environments.
In automotive applications, NJ 221 ECJ Bearing can be found in heavy-duty transmissions and drivetrains, handling high speeds and loads with ease. The open design allows for efficient lubrication, extending service life.
For automation systems, NJ 221 ECJ Bearing supports precision movements in robotic arms and conveyor belts. The steel cage design helps maintain roller alignment, ensuring smooth operation over time.
NJ 221 ECJ Bearing also fits well in wind turbine generators, where its ability to handle misalignment and heavy loads is crucial. The metric dimensions make it compatible with various European and Asian equipment standards.
In paper manufacturing machinery, NJ 221 ECJ Bearing’s durability shines, withstanding constant use and high temperatures. The grease or oil lubrication options provide flexibility for different operating conditions.
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