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The 21317 E/C3 is a double-row spherical roller bearing with an 85mm bore and 180mm outer diameter, crafted from robust chrome steel. It handles combined loads up to 74412 lbf and operates smoothly at speeds up to 5300 RPM.
Its spherical roller design allows for slight misalignment, while the steel cage ensures durability under heavy loads. The open construction requires regular lubrication for optimal performance.
This bearing suits high-temperature environments, working reliably from -30°C to 200°C. It’s interchangeable with SKF models, making it a practical choice for replacements.
Weighing 5.35kg, it’s sturdy yet manageable for industrial use. Ideal for applications like heavy machinery or conveyor systems where misalignment and heavy loads are common. Compliant with RoHS and REACH standards.
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Performance Features of 21317 E/C3 Bearing
21317 E/C3 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 74,412 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 5,300 rpm, it maintains efficiency even under demanding conditions.
21317 E/C3 Bearing operates in temperatures from -30° to 200°C, suitable for various industrial environments.
The C3 radial clearance provides flexibility, accommodating thermal expansion during operation.
Steel cage construction ensures roller alignment, enhancing durability and reducing wear.
Its open design simplifies lubrication, making maintenance straightforward and cost-effective.
Industrial Uses of 21317 E/C3 Bearing
This 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 C3 clearance ensures reliable performance even under thermal expansion.
In automotive applications, 21317 E/C3 Bearing supports components like truck axles and drivetrains, thanks to its high dynamic load capacity. The chrome steel construction offers durability in demanding conditions.
For wind turbines, 21317 E/C3 Bearing’s spherical roller design accommodates misalignment, making it ideal for rotor shafts. Its lubrication groove simplifies maintenance in hard-to-reach locations.
Where Is 21317 E/C3 Bearing Used?
You’ll often find this bearing in mining equipment, where its robust construction withstands harsh environments. The open seal type allows for easy relubrication during routine checks.
In paper mills, 21317 E/C3 Bearing handles high speeds and heavy loads in rollers and dryers. The steel cage provides extra strength for continuous operation.
Built for Heavy-Duty Use: 21317 E/C3 Bearing
This model excels in construction machinery like cranes and excavators, where shock loads are common. Its wide temperature range (-30° to 200°C) ensures versatility across climates.
The bearing’s lubrication holes help distribute grease evenly, extending service life in conveyor systems. Farmers appreciate its reliability in agricultural equipment like combine harvesters.
Automotive vs Aerospace: Applications of 21317 E/C3 Bearing
While trucks use it for wheel hubs, aerospace applications are limited due to weight constraints. Its metric sizing makes it popular in European industrial equipment.
In food processing lines, 21317 E/C3 Bearing’s steel materials meet hygiene standards. The spherical rollers compensate for minor shaft misalignments during high-speed mixing.
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