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The 21307K is a double-row spherical roller bearing with a 35mm bore and 80mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 17805 lbf and spins smoothly at speeds up to 9500 RPM.
Its open design allows easy lubrication, while the steel cage ensures durability. The tapered bore (1:12) helps with secure fitting, and it operates well in temperatures from -30°C to 200°C.
This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial gearboxes or mining equipment where combined loads are common.
Weighing 0.54kg, it balances strength and manageability. Compliant with RoHS and REACH standards for safe use.
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Why Choose 21307K Bearing for Precision Tasks?
21307K Bearing features a double-row spherical roller design, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and resistance to wear in demanding conditions.
With a dynamic radial load capacity of 17805 lbf, it performs reliably under heavy loads.
The tapered bore design simplifies installation and enhances alignment accuracy.
21307K Bearing operates efficiently at speeds up to 9500 rpm, suitable for high-speed applications.
Its wide temperature range of -30° to 200°C makes it versatile for various environments.
The open seal type allows for easy lubrication, ensuring smooth operation over time.
CN radial clearance provides optimal performance in most industrial applications.
Industrial Uses of 21307K Bearing
21307K Bearing is commonly used in heavy machinery like conveyor systems and industrial fans, where its double-row design handles combined loads efficiently. The spherical roller construction also helps accommodate misalignment, reducing wear in demanding environments.
What Makes 21307K Bearing a Preferred Choice?
In automotive applications, 21307K Bearing works well in gearboxes and axle systems, thanks to its high dynamic radial load capacity. The taper bore design ensures a secure fit, preventing slippage during high-speed operation.
Built for Heavy-Duty Use: 21307K Bearing
For automation equipment, 21307K Bearing provides reliable performance in robotic arms and assembly lines. Its chrome steel rollers and steel cage offer durability, even under continuous use.
Automotive vs Aerospace: Applications of 21307K Bearing
In automotive settings, 21307K Bearing supports drivetrain components, while in aerospace, it’s suited for auxiliary systems requiring precision. The wide temperature range makes it adaptable to various operating conditions.
Where Is 21307K Bearing Used?
You’ll find 21307K Bearing in construction equipment like cranes and excavators, where its robust design handles heavy radial and axial loads. The open seal type allows for easy lubrication, extending service life.
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