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The 21309 E/C3 is a double-row spherical roller bearing with a 45mm bore and 100mm outer diameter, crafted from robust chrome steel. It handles combined loads up to 29000 lbf and operates smoothly at speeds up to 8500 RPM.
Its open design and C3 radial clearance allow for easy lubrication, while the steel cage ensures durability under heavy loads. The bearing performs reliably in temperatures ranging from -30°C to 200°C.
This model is interchangeable with SKF bearings, making it a practical choice for replacements. Suitable for applications like industrial gearboxes or heavy machinery where combined loads are common.
Weighing 0.98kg, it offers a sturdy build for demanding environments. Compliant with RoHS and REACH standards for safe and sustainable use.
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Performance Features of 21309 E/C3 Bearing
21309 E/C3 Bearing is built with chrome steel rings and rollers, offering strong 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, reducing stress on the bearing.
With a maximum speed of 8500 rpm, it maintains efficiency even under demanding conditions.
21309 E/C3 Bearing operates in temperatures from -30° to 200°C, making it suitable for varied environments.
The C3 radial clearance provides optimal performance under thermal expansion and heavy loads.
Steel cage construction ensures durability and keeps rollers aligned for smooth operation.
Its open design simplifies lubrication, helping to extend maintenance intervals.
Industrial Uses of 21309 E/C3 Bearing
The 21309 E/C3 Bearing is commonly used in heavy machinery like conveyors and crushers, where its double-row design handles both radial and axial loads efficiently.
Its spherical roller construction allows for slight misalignment, making it suitable for rugged industrial environments.
Where Is 21309 E/C3 Bearing Used?
You’ll often find 21309 E/C3 Bearing in mining equipment, where its high dynamic load capacity ensures reliable performance under tough conditions.
The C3 radial clearance also helps accommodate thermal expansion in high-speed applications.
Built for Heavy-Duty Use: 21309 E/C3 Bearing
21309 E/C3 Bearing excels in paper mills and steel plants, where its chrome steel rollers withstand continuous heavy loads.
The open design simplifies lubrication, extending service life in dusty or humid environments.
Automotive vs Aerospace: Applications of 21309 E/C3 Bearing
In automotive systems, 21309 E/C3 Bearing supports gearboxes and drivetrains, offering durability under combined loads.
For aerospace ground equipment, its temperature range (-30° to 200°C) ensures stability in varying weather conditions.
Essential Roles of 21309 E/C3 Bearing
21309 E/C3 Bearing is vital in wind turbines, where its spherical rollers compensate for shaft deflections.
The steel cage provides robust support, even during prolonged operation at high speeds.
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