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The 21309 EK/C3 is a double-row spherical roller bearing with a 45mm bore and 100mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 29000 lbf and reaches speeds of 8500 RPM.
Its spherical roller design allows for slight misalignment, while the steel cage ensures durability. The open construction and lubrication groove make maintenance straightforward.
This bearing operates in temperatures from -30°C to 200°C and fits tapered shafts (1:12 ratio). It’s interchangeable with SKF models, ideal for heavy machinery or industrial gearboxes.
Weighing 0.98kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for demanding environments.
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Performance Features of 21309 EK/C3 Bearing
21309 EK/C3 Bearing is built with chrome steel rings and rollers, offering excellent resistance to combined loads.
Its dynamic radial load capacity reaches 29000 lbf, ensuring reliable performance in heavy-duty applications.
The double-row spherical roller design allows for slight misalignment, maintaining smooth operation.
With a maximum speed of 8500 rpm, it delivers both durability and efficiency.
21309 EK/C3 Bearing operates in temperatures from -30° to 200°C, suitable for various industrial environments.
The C3 radial clearance provides optimal performance under varying thermal conditions.
Its tapered bore design simplifies installation, reducing setup time and effort.
The steel cage ensures proper roller alignment, extending the bearing’s service life.
Lubrication grooves and holes in 21309 EK/C3 Bearing facilitate easy maintenance.
This design helps distribute lubricant evenly, reducing wear and improving reliability.
Industrial Uses of 21309 EK/C3 Bearing
21309 EK/C3 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 ensures smooth operation even under misalignment conditions.
In automotive applications, 21309 EK/C3 Bearing supports components such as differential systems and wheel hubs, providing durability under high stress. Its tapered bore design simplifies installation and enhances stability in dynamic environments.
For industrial fans and blowers, 21309 EK/C3 Bearing’s high-speed capability and temperature resistance make it a reliable choice. The open seal design allows for easy lubrication, extending service life in demanding conditions.
What Makes 21309 EK/C3 Bearing a Preferred Choice?
21309 EK/C3 Bearing stands out in conveyor systems due to its ability to handle heavy loads and misalignment. The chrome steel rollers and cage ensure long-lasting performance in harsh industrial settings.
Its compatibility with metric systems makes it versatile for global applications, from European machinery to Asian manufacturing lines. The C3 radial clearance also accommodates thermal expansion, ideal for high-temperature environments.
Built for Heavy-Duty Use: 21309 EK/C3 Bearing
21309 EK/C3 Bearing excels in mining equipment, where its robust construction withstands extreme loads and vibrations. The lubrication groove design ensures consistent performance even in dusty conditions.
In paper mill machinery, this bearing’s high dynamic load capacity reduces downtime and maintenance costs. The steel cage provides added strength, making it suitable for continuous operation.
Automotive vs Aerospace: Applications of 21309 EK/C3 Bearing
In automotive systems, 21309 EK/C3 Bearing is trusted for drivetrain components, offering reliability under high torque. Its tapered bore ensures precise fitment in wheel assemblies.
For aerospace ground equipment, this bearing’s temperature range and load capacity make it suitable for auxiliary systems. The metric dimensions align with international standards, simplifying replacements.
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