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The 21308 E is a double-row spherical roller bearing with a 40mm bore and 90mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 24055 lbf and spins smoothly at speeds up to 9500 RPM.
Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates well in temperatures ranging from -30°C to 200°C.
This model is interchangeable with SKF bearings, making it a reliable replacement option. Ideal for heavy-duty applications like industrial gearboxes or mining equipment where robust performance is needed.
Weighing 0.74kg, it offers a balance of strength and manageability. Compliant with RoHS and REACH standards for safe use.
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Performance Features of 21308 E Bearing
21308 E Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 24055 lbf, ensuring reliable performance in heavy-duty applications.
The double-row spherical roller design allows for slight misalignment, reducing stress on the bearing.
With a maximum speed of 9500 rpm, it balances durability and efficiency in demanding conditions.
21308 E Bearing operates in temperatures from -30° to 200°C, making it suitable for varied environments.
The steel cage maintains roller alignment, enhancing longevity and reducing maintenance needs.
Industrial Uses of 21308 E Bearing
21308 E 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 allows for slight misalignment, reducing wear in demanding conditions.
Where Is 21308 E Bearing Used?
You’ll find 21308 E Bearing in conveyor systems and gearboxes, where its high dynamic load capacity ensures reliable performance. The open design simplifies lubrication, making it ideal for high-speed applications.
Built for Heavy-Duty Use: 21308 E Bearing
21308 E Bearing excels in mining equipment, thanks to its robust chrome steel construction and ability to withstand harsh environments. The steel cage adds durability, even under continuous heavy loads.
Automotive vs Aerospace: Applications of 21308 E Bearing
In automotive applications, 21308 E Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems requiring precision. Its temperature range (-30° to 200°C) suits both fields.
Practical Applications of 21308 E Bearing
For industrial fans and pumps, 21308 E Bearing offers smooth operation with minimal maintenance. The metric sizing ensures compatibility with a wide range of machinery across different regions.
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