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The 21320 EK/C3 is a double-row spherical roller bearing with a 100mm bore and 215mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 97342 lbf and operates smoothly at speeds up to 4500 RPM.
Its open design and steel cage ensure durability, while the tapered bore (1:12) simplifies installation. The bearing includes lubrication grooves and holes for easy maintenance.
With a C3 radial clearance, it handles temperature variations from -30°C to 200°C. Ideal for heavy-duty applications like industrial gearboxes or mining equipment.
Weighing 8.95kg, it’s robust yet manageable. Compliant with RoHS and REACH standards, it’s interchangeable with SKF bearings for reliable replacements.
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Performance Features of 21320 EK/C3 Bearing
21320 EK/C3 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 97342 lbf, making it suitable for heavy-duty applications.
The double-row spherical roller design ensures smooth operation even under misalignment conditions.
With a maximum speed of 4500 rpm, it balances performance and durability in demanding environments.
21320 EK/C3 Bearing features a steel cage for better roller alignment and reduced wear.
The C3 radial clearance allows for thermal expansion, ensuring reliable performance at high temperatures.
Industrial Uses of 21320 EK/C3 Bearing
21320 EK/C3 Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row spherical design handles misalignment and heavy radial loads. The tapered bore ensures a secure fit, reducing slippage during high-torque operations.
In automotive applications, 21320 EK/C3 Bearing supports drivetrain components, particularly in commercial vehicles requiring durability under combined loads. Its chrome steel construction withstands the rigours of long-distance haulage.
For wind turbines, 21320 EK/C3 Bearing’s ability to manage variable loads and misalignment makes it a reliable choice for rotor shafts. The C3 radial clearance accommodates thermal expansion during continuous operation.
Where Is 21320 EK/C3 Bearing Used?
You’ll find 21320 EK/C3 Bearing in mining equipment, where its robust design copes with harsh conditions and abrasive dust. The steel cage provides added strength, ensuring longevity even in demanding environments.
In paper mills, 21320 EK/C3 Bearing handles the high speeds and moisture exposure typical of roller systems. The open seal design simplifies relubrication, maintaining performance over extended periods.
Built for Heavy-Duty Use: 21320 EK/C3 Bearing
21320 EK/C3 Bearing excels in construction machinery like cranes and excavators, where shock loads are frequent. Its spherical rollers distribute stress evenly, preventing premature wear.
The bearing’s high-temperature tolerance makes it suitable for industrial ovens and dryers. Lubrication holes ensure even grease distribution, critical for maintaining smooth operation under thermal stress.
Automotive vs Aerospace: Applications of 21320 EK/C3 Bearing
In trucks, 21320 EK/C3 Bearing supports axles and transmissions, prioritising load capacity over weight savings. For aircraft ground equipment, its reliability matters more than extreme lightweighting.
The bearing’s metric sizing suits European industrial standards, while its interchangeability with SKF simplifies maintenance. This versatility makes it a go-to for global supply chains.
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