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The 21318 CJ is a double-row spherical roller bearing with a 90mm bore and 190mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 8835 lbf and runs smoothly at speeds up to 4800 RPM.
Its spherical roller design adapts to misalignment, while the steel cage ensures durability under heavy loads. The open construction allows for easy lubrication, with grooves and holes for efficient maintenance.
This bearing suits high-temperature environments, operating from -30°C to 200°C. It’s interchangeable with SKF models, making it a practical choice for replacements. Ideal for industrial machinery like conveyors or gearboxes where alignment flexibility is needed.
Weighing 6.25kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.
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Performance Features of 21318 CJ Bearing
21318 CJ Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 8835 lbf, ensuring steady performance in heavy-duty applications.
The double-row spherical roller design allows for slight misalignment, reducing stress on the bearing.
This feature enhances durability and extends the service life even under challenging conditions.
With a maximum speed of 4800 rpm, 21318 CJ Bearing balances efficiency and reliability.
The steel cage maintains roller alignment, minimising wear and ensuring smooth operation.
21318 CJ Bearing operates in temperatures from -30° to 200°C, suitable for varied environments.
Its open design simplifies lubrication, keeping maintenance straightforward and cost-effective.
Industrial Uses of 21318 CJ Bearing
21318 CJ Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row design handles both radial and axial loads efficiently. The spherical roller construction also compensates for minor misalignments, reducing wear in demanding environments.
In automotive applications, 21318 CJ Bearing supports components like differential systems and drivetrains, offering reliable performance under high loads. Its chrome steel rollers ensure durability, even in high-speed scenarios.
For industrial fans and blowers, 21318 CJ Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The wide temperature range makes it suitable for both hot and cold working conditions.
Where Is 21318 CJ Bearing Used?
You’ll often find 21318 CJ Bearing in mining equipment, where its robust construction withstands harsh conditions like dust and heavy vibrations. The steel cage adds extra strength, making it a dependable choice for long-term use.
In construction machinery, 21318 CJ Bearing ensures smooth operation in equipment like cranes and excavators. Its combined load capacity makes it versatile for various heavy-duty tasks.
Built for Heavy-Duty Use: 21318 CJ Bearing
21318 CJ Bearing excels in paper mill machinery, where its spherical rollers handle misalignment and heavy loads effortlessly. The lubrication groove design ensures consistent performance, even in high-friction applications.
For wind turbine gearboxes, 21318 CJ Bearing’s high dynamic load rating makes it a reliable component. Its temperature tolerance also ensures stability in fluctuating weather conditions.
Automotive vs Aerospace: Applications of 21318 CJ Bearing
In automotive systems, 21318 CJ Bearing supports drivetrains and axles, where its combined load capacity is essential. The metric sizing ensures compatibility with a wide range of vehicle designs.
For aerospace ground equipment, 21318 CJ Bearing’s high-speed capability and temperature resistance make it a practical choice. Its chrome steel construction also meets stringent industry standards.
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