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The 21311 E is a double-row spherical roller bearing with a 55mm bore and 120mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 35745 lbf and runs smoothly at speeds up to 7500 RPM.
Its open design and lubrication groove make maintenance straightforward, while the steel cage ensures durability. The bearing operates well in temperatures from -30°C to 200°C.
This model is interchangeable with SKF bearings, offering a reliable replacement option. Ideal for heavy-duty applications like industrial gearboxes or mining equipment where robust performance is needed.
Weighing 1.7kg, it balances strength and manageability. Compliant with RoHS and REACH standards for safe and eco-friendly use.
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Performance Features of 21311 E Bearing
21311 E Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 35745 lbf, ensuring reliable performance in heavy-duty applications.
The double-row spherical roller design allows for slight misalignment, reducing stress on the bearing.
How Is 21311 E Bearing Engineered for Reliability?
21311 E Bearing features a steel cage that maintains roller alignment, enhancing durability.
With a maximum speed of 7500 rpm, it delivers efficient performance under high-speed conditions.
The lubrication groove and holes ensure consistent oil flow, reducing friction and wear.
Designed for Durability: 21311 E Bearing
21311 E Bearing operates in temperatures from -30° to 200 °C, suitable for varied environments.
Its static radial load capacity of 37318 lbf makes it ideal for demanding industrial use.
The spherical roller design compensates for shaft misalignment, prolonging service life.
Steel vs Ceramic Bearings: Strengths of 21311 E Bearing
21311 E Bearing uses chrome steel for both rings and rollers, providing excellent strength and wear resistance.
The open design allows for easy lubrication, ensuring smooth operation over time.
With a weight of 1.7 kg, it balances robustness and practicality for industrial applications.
Industrial Uses of 21311 E Bearing
The 21311 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. Its robust chrome steel construction ensures durability even in demanding industrial environments.
What Makes 21311 E Bearing a Preferred Choice?
With a high dynamic radial load capacity, 21311 E Bearing is ideal for applications like gearboxes and conveyor systems. The spherical roller design also compensates for misalignment, reducing wear and tear over time.
Perfect Fit for Automation: 21311 E Bearing
In automated production lines, 21311 E Bearing supports smooth operation of robotic arms and assembly systems. Its high-speed capability and temperature resistance make it reliable for continuous use.
Automotive vs Aerospace: Applications of 21311 E Bearing
In automotive systems, 21311 E Bearing is often found in wheel hubs and transmissions, offering reliable performance under heavy loads. For aerospace, its precision and durability make it suitable for auxiliary equipment like landing gear mechanisms.
Where Is 21311 E Bearing Used?
You’ll often spot 21311 E Bearing in wind turbines, where its ability to handle misalignment and heavy loads is crucial. The open design allows for easy lubrication, extending its service life in harsh conditions.
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