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The 21311 E/C3 is a double-row spherical roller bearing with a 55mm bore and 120mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 35745 lbf and operates smoothly at speeds up to 7500 RPM.
Its open design and C3 radial clearance allow for easy lubrication, while the steel cage ensures durability under heavy use. 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 industrial machinery like gearboxes or pumps where high radial loads are common.
Weighing 1.7kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.
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How Does 21311 E/C3 Bearing Handle Combined Loads?
21311 E/C3 Bearing features a double-row spherical roller design, ideal for handling both radial and axial loads.
Its chrome steel construction ensures strength and durability under high dynamic radial loads of up to 35,745 lbf.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a maximum speed of 7,500 rpm, it performs reliably in demanding industrial applications.
What Makes 21311 E/C3 Bearing Suitable for High-Temperature Applications?
21311 E/C3 Bearing operates efficiently in temperatures ranging from -30° to 200°C.
Its chrome steel rollers and rings resist thermal expansion, maintaining performance under heat stress.
The open design allows for easy lubrication, ensuring smooth operation even in extreme conditions.
This makes it a dependable choice for heavy machinery and high-temperature environments.
Engineered for Precision: 21311 E/C3 Bearing
21311 E/C3 Bearing is crafted with precise tolerances for bore and outer diameters, ensuring accurate fitment.
The spherical roller design compensates for misalignment, enhancing operational stability.
Its C3 radial clearance provides optimal performance under varying load conditions.
This precision engineering makes it suitable for applications requiring high reliability and minimal vibration.
Industrial Uses of 21311 E/C3 Bearing
21311 E/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 type adapts well to misalignment, ensuring reliable performance in tough conditions.
What Makes 21311 E/C3 Bearing a Preferred Choice?
In conveyor systems, 21311 E/C3 Bearing’s high dynamic load capacity keeps operations smooth even under constant stress. Its steel cage and chrome steel rollers offer durability, reducing maintenance needs over time.
Built for Heavy-Duty Use: 21311 E/C3 Bearing
For mining equipment, 21311 E/C3 Bearing’s C3 radial clearance accommodates thermal expansion, making it ideal for high-temperature environments. The lubrication groove design ensures consistent performance in dusty or harsh settings.
Automotive vs Aerospace: Applications of 21311 E/C3 Bearing
In truck wheel hubs, 21311 E/C3 Bearing provides stability under heavy loads, while its metric sizing suits European and Asian vehicle standards. The aerospace industry values its precision for auxiliary systems requiring combined load support.
Essential Roles of 21311 E/C3 Bearing
Wind turbines benefit from 21311 E/C3 Bearing’s ability to handle variable loads and misalignment. The open seal design simplifies relubrication, extending service life in remote or hard-to-access installations.
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