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-3309-A-Dimensions.webp)
The 3309 A is a double-row angular contact ball bearing with a 45mm bore and 100mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 16875 lbf and operates smoothly at speeds reaching 6700 RPM.
Its open design simplifies lubrication, while the stainless steel cage enhances durability. The bearing performs reliably in temperatures ranging from -30°C to 110°C.
This model is compatible with SKF bearings, offering a practical alternative for replacements. Suitable for machinery requiring angular contact support, such as pumps or gear systems.
Weighing 1.25kg, it balances strength and manageability. Compliant with RoHS and REACH standards for safe and eco-friendly use.
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Performance Features of 3309 A Bearing
3309 A Bearing is built with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 16875 lbf, ensuring reliable performance in demanding conditions.
The double-row design provides better load distribution, enhancing stability during operation.
With a maximum speed of 6,700 rpm, it balances durability and efficiency for various applications.
Why Choose 3309 A Bearing for Precision Tasks?
3309 A Bearing’s P6 tolerance class ensures high precision, making it suitable for accurate machinery.
The stainless steel cage maintains ball alignment, reducing friction and extending service life.
Its angular contact design handles combined loads effectively, improving operational reliability.
Lubrication is optimised for smooth performance, even at high speeds.
Engineered for Reliability: 3309 A Bearing
3309 A Bearing operates efficiently within a temperature range of -30° to 110°C, adapting to various environments.
The chrome steel construction resists wear, ensuring long-lasting performance under heavy loads.
Its open design allows for easy lubrication, reducing maintenance requirements.
The precise chamfer dimensions (1.5 mm) ensure seamless integration into assemblies.
Steel vs Ceramic Bearings: Strengths of 3309 A Bearing
3309 A Bearing’s chrome steel components provide excellent durability and load-bearing capacity.
Compared to ceramic options, it offers a cost-effective solution without compromising performance.
The stainless steel cage enhances corrosion resistance, making it suitable for harsh conditions.
With a static radial load of 11925 lbf, it delivers reliable support in demanding applications.
Industrial Uses of 3309 A Bearing
3309 A Bearing is commonly used in industrial machinery, especially in applications that require handling combined radial and axial loads, such as pumps and gearboxes. Its double-row design provides stability and reduces the need for frequent adjustments.
In automotive applications, 3309 A Bearing supports components like wheel hubs and transmissions, where its angular contact capability ensures smooth performance. The chrome steel construction also enhances durability under varying load conditions.
For automation systems, 3309 A Bearing is ideal for robotic arms and conveyor belts, thanks to its high-speed capability and precise tolerance. The stainless steel cage further ensures long-lasting performance in demanding environments.
Where Is 3309 A Bearing Used?
You’ll often find 3309 A Bearing in heavy-duty equipment like compressors and industrial fans, where its robust design handles high loads effortlessly. The open seal type allows for easy lubrication, extending its service life.
In medical imaging devices, 3309 A Bearing provides reliable performance due to its precise angular contact and smooth operation. The P6 tolerance class ensures consistent accuracy, which is crucial for diagnostic equipment.
Built for Heavy-Duty Use: 3309 A Bearing
3309 A Bearing excels in construction machinery, where its double-row design manages heavy radial and axial loads without compromising performance. The wide temperature range makes it suitable for outdoor applications.
In 3D printers, 3309 A Bearing ensures precise movement of print heads, thanks to its high tolerance and smooth operation. The lubricated design reduces friction, enhancing print quality and longevity.
Automotive vs Aerospace: Applications of 3309 A Bearing
In automotive systems, 3309 A Bearing is often used in transmissions and differentials, where its angular contact design handles varying loads efficiently. The metric sizing ensures compatibility with global vehicle standards.
For aerospace applications, 3309 A Bearing supports auxiliary systems like fuel pumps, where reliability and precision are critical. The chrome steel rings and stainless steel cage provide durability in extreme conditions.
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-3309-A-Drawing.webp)