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The 21309 is a double-row spherical roller bearing with a 45mm bore and 100mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 29000 lbf and operates smoothly at speeds up to 8500 RPM.
Its open design and steel cage ensure durability, while the lubrication groove simplifies maintenance. The bearing performs reliably in temperatures ranging from -30°C to 200°C.
This model is interchangeable with SKF bearings, offering a practical replacement option. Suitable for heavy-duty applications like industrial gearboxes or mining equipment where combined loads are present.
Weighing 0.98kg, it balances strength and portability. Compliant with RoHS and REACH standards for safe and eco-friendly use.
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Performance Features of 21309 Bearing
21309 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 29000 lbf, ensuring reliable performance in demanding conditions.
The double-row spherical roller design allows for slight misalignment, reducing stress on the bearing.
This makes 21309 Bearing suitable for applications where shaft deflection might occur.
With a maximum speed of 8500 rpm, it balances durability and efficiency.
The steel cage maintains roller alignment, extending the bearing’s service life.
21309 Bearing operates in temperatures from -30° to 200 °C, adapting to various environments.
Its open design simplifies lubrication, ensuring smooth operation over time.
Industrial Uses of 21309 Bearing
21309 Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row design handles combined loads with ease. The chrome steel construction ensures durability even in demanding industrial environments.
What Makes 21309 Bearing a Preferred Choice?
In automotive applications, 21309 Bearing fits well in gearboxes and differential systems, providing reliable performance under high radial loads. Its metric sizing makes it a versatile option for various vehicle models.
Built for Heavy-Duty Use: 21309 Bearing
For automation systems, 21309 Bearing supports robotic arms and conveyor belts, offering smooth operation at high speeds. The open design allows for easy lubrication, extending its service life.
Medical vs Industrial: Where 21309 Bearing Excels
In medical equipment, 21309 Bearing’s precision ensures consistent performance in devices like MRI machines. Its steel cage adds extra stability, making it suitable for high-precision applications.
Essential Roles of 21309 Bearing
21309 Bearing is also found in consumer electronics like printers and fans, where its compact size and reliability are key. The wide temperature range makes it adaptable to various operating conditions.
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