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The 21312 KJ is a double-row spherical roller bearing with a 60mm bore and 130mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 48784 lbf and operates smoothly at speeds up to 6300 RPM.
Its open design and tapered bore ensure easy installation, while the steel cage offers durability. The bearing includes a lubrication groove and hole for easy maintenance.
This model is suitable for heavy-duty applications like industrial gearboxes or mining equipment, where high radial loads are common. It performs reliably in temperatures from -30°C to 200°C.
Weighing 2.05kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a dependable choice for replacements, interchangeable with SKF bearings.
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Performance Features of 21312 KJ Bearing
21312 KJ Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 48784 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 6300 rpm, it balances durability and efficiency in demanding environments.
21312 KJ Bearing operates in temperatures from -30° to 200°C, making it suitable for varied conditions.
The steel cage maintains roller alignment, reducing wear and extending the bearing’s service life.
Lubrication grooves and holes in 21312 KJ Bearing ensure consistent lubrication for optimal performance.
Its tapered bore design simplifies installation, saving time and effort during assembly.
Industrial Uses of 21312 KJ Bearing
21312 KJ Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row spherical design handles misalignment and heavy radial loads effortlessly.
The tapered bore ensures a secure fit on shafts, reducing slippage during high-speed operations.
What Makes 21312 KJ Bearing a Preferred Choice?
In mining equipment, 21312 KJ Bearing’s robust construction withstands harsh conditions, while its chrome steel rollers offer long-lasting performance.
The lubrication groove design simplifies maintenance, making it ideal for hard-to-reach applications.
Built for Heavy-Duty Use: 21312 KJ Bearing
For paper mills and steel plants, 21312 KJ Bearing’s high dynamic load capacity ensures reliable operation under continuous stress.
Its wide temperature range (-30° to 200°C) suits both hot and cold industrial environments.
Automotive vs Aerospace: Applications of 21312 KJ Bearing
In truck wheel hubs, 21312 KJ Bearing provides stability under combined loads, while its precision suits helicopter rotor systems.
The metric sizing aligns with global standards, ensuring easy replacement across industries.
Perfect Fit for Automation: 21312 KJ Bearing
21312 KJ Bearing excels in robotic arms, where its low friction and high-speed capability (6300 rpm) enhance movement accuracy.
The open seal design allows for custom lubrication, adapting to specific automation needs.
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