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The 21308 CKJ 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 reaches speeds of 9500 RPM.
Its open design and tapered bore (1:12) ensure easy installation, while the steel cage enhances durability. The bearing operates smoothly in temperatures from -30°C to 200°C.
This model is interchangeable with SKF bearings, offering a reliable alternative for replacements. Suitable for heavy-duty applications like conveyor systems or industrial gearboxes where combined loads are frequent.
Weighing 0.74kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and sustainable use.
The lubrication groove (5.5mm wide) and hole (3mm diameter) simplify maintenance, keeping performance consistent. Ideal for environments requiring reliable, long-lasting bearing solutions.
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Performance Features of 21308 CKJ Bearing
21308 CKJ Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 24055 lbf, ensuring reliable performance in heavy-duty applications.
The double-row spherical roller design allows for smooth operation even under misalignment conditions.
With a maximum speed of 9500 rpm, it balances durability and efficiency in demanding environments.
21308 CKJ Bearing operates in temperatures from -30° to 200°C, making it suitable for varied industrial uses.
The steel cage maintains roller alignment, reducing wear and extending the bearing’s service life.
Lubrication grooves and holes in 21308 CKJ Bearing ensure consistent lubrication for optimal performance.
Its tapered bore design simplifies installation, saving time and effort during assembly.
Industrial Uses of 21308 CKJ Bearing
21308 CKJ Bearing is commonly used in heavy machinery like conveyor systems and crushers, where its double-row design handles both radial and axial loads efficiently. The tapered bore ensures a secure fit, reducing slippage during high-load operations.
What Makes 21308 CKJ Bearing a Preferred Choice?
In mining equipment, 21308 CKJ Bearing’s spherical roller design accommodates misalignment, making it ideal for harsh environments. Its chrome steel construction also resists wear, extending service life even under constant stress.
Built for Heavy-Duty Use: 21308 CKJ Bearing
For wind turbines, 21308 CKJ Bearing supports rotor shafts, handling dynamic loads and varying speeds. The lubrication groove design ensures consistent performance, even in extreme temperatures.
Automotive vs Aerospace: Applications of 21308 CKJ Bearing
In truck transmissions, 21308 CKJ Bearing manages combined loads, while in aircraft landing gear, its high-speed capability shines. The metric sizing fits seamlessly into both European and Asian engineering standards.
Essential Roles of 21308 CKJ Bearing
Within paper mills, 21308 CKJ Bearing keeps rollers running smoothly, thanks to its robust steel cage. The open seal design allows for easy maintenance, reducing downtime in continuous production lines.
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