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The 21308 EW/C3 is a double-row spherical roller bearing with a 40mm bore and 90mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 24055 lbf and operates smoothly at speeds up to 9500 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 applications like industrial gearboxes or heavy machinery where combined loads are common.
Weighing 0.74kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.
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Performance Features of 21308 EW/C3 Bearing
21308 EW/C3 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity of 24055 lbf ensures reliability in high-stress applications.
The double-row spherical roller design allows for slight misalignment, reducing stress on the bearing.
With a maximum speed of 9500 rpm, it delivers both durability and efficiency.
21308 EW/C3 Bearing operates in temperatures from -30° to 200°C, suitable for varied environments.
The C3 radial clearance provides optimal performance under thermal expansion conditions.
Steel cage construction maintains roller alignment, extending the bearing’s service life.
Lubrication grooves and holes ensure consistent performance with minimal maintenance.
Industrial Uses of 21308 EW/C3 Bearing
The 21308 EW/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 C3 radial clearance ensures smooth operation even under varying temperatures.
What Makes 21308 EW/C3 Bearing a Preferred Choice?
In conveyor systems, 21308 EW/C3 Bearing offers reliable performance due to its spherical roller design, which compensates for misalignment. Its chrome steel construction also provides excellent durability in dusty or high-load environments.
Built for Heavy-Duty Use: 21308 EW/C3 Bearing
For mining equipment, 21308 EW/C3 Bearing’s high dynamic load capacity makes it suitable for extreme conditions. The steel cage enhances stability, ensuring long service life even with frequent lubrication intervals.
Automotive vs Aerospace: Applications of 21308 EW/C3 Bearing
In automotive drivetrains, 21308 EW/C3 Bearing supports high-speed rotations, while its temperature range suits aerospace auxiliary systems. The metric sizing ensures compatibility across various industrial standards.
Perfect Fit for Automation: 21308 EW/C3 Bearing
Robotic arms benefit from 21308 EW/C3 Bearing’s ability to handle combined loads with precision. The open seal design allows for easy re-lubrication, reducing downtime in automated production lines.
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