The 3311 ATN9 is a double row angular contact ball bearing with a 55mm bore and 120mm outer diameter, crafted from sturdy chrome steel. It supports radial loads up to 25200 lbf and operates smoothly at speeds up to 5300 RPM.
Its open design and nylon cage reduce friction, while the double row construction enhances stability under angular loads. The bearing performs reliably in temperatures from -30°C to 110°C.
This model is interchangeable with SKF bearings, offering a practical replacement option. Suitable for applications like pumps or gearboxes where combined radial and axial loads are present.
Weighing 2.65kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.
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Performance Features of 3311 ATN9 Bearing
3311 ATN9 Bearing is built with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 25200 lbf, ensuring reliable performance in demanding conditions.
The nylon cage helps reduce friction and noise, making it suitable for precision applications.
With a maximum speed of 5,300 rpm, it balances durability and efficiency.
How Does 3311 ATN9 Bearing Reduce Friction?
3311 ATN9 Bearing’s double-row design distributes loads evenly, minimising friction during operation.
The chrome steel construction ensures smooth movement, even under heavy radial loads.
Its nylon cage further reduces friction, contributing to quieter performance.
This makes it ideal for applications where low noise and smooth operation are essential.
Engineered for Precision: 3311 ATN9 Bearing
3311 ATN9 Bearing features a P6 tolerance class, ensuring high precision in angular contact applications.
The double-row construction provides stability, making it suitable for complex load conditions.
Its chrome steel components enhance durability, while the nylon cage reduces maintenance needs.
With a temperature range of -30° to 110°C, it performs reliably in various environments.
Why Choose 3311 ATN9 Bearing for Precision Tasks?
3311 ATN9 Bearing’s precision-engineered design ensures accurate performance in angular contact applications.
The double-row setup offers better load distribution, reducing wear over time.
Its nylon cage minimises noise, making it ideal for sensitive machinery.
With a static radial load capacity of 18338 lbf, it handles demanding tasks with ease.
Structural Advantages of 3311 ATN9 Bearing
3311 ATN9 Bearing’s double-row angular contact design enhances load-bearing capacity.
The chrome steel construction ensures long-lasting performance in tough conditions.
Its 49.2 mm width provides stability, while the 2 mm chamfer simplifies installation.
This bearing is ideal for applications requiring both radial and axial load support.
Industrial Uses of 3311 ATN9 Bearing
3311 ATN9 Bearing is commonly used in machine tools, where its double-row design handles combined radial and axial loads efficiently. The open seal type simplifies lubrication, ensuring smooth operation in demanding industrial environments.
In automotive applications, 3311 ATN9 Bearing supports wheel hubs and transmissions, thanks to its high dynamic radial load capacity. The metric sizing and P6 tolerance make it a reliable choice for precision automotive components.
For automation systems, 3311 ATN9 Bearing’s nylon cage reduces friction in robotic arms and conveyor belts. Its angular contact design ensures stability during high-speed movements, making it ideal for repetitive tasks.
In medical imaging devices, 3311 ATN9 Bearing’s chrome steel construction offers durability and precision. The lubricated design ensures quiet operation, which is essential for sensitive diagnostic equipment.
Household appliances like washing machines benefit from 3311 ATN9 Bearing’s balanced load distribution. The temperature range of -30° to 110°C makes it suitable for various domestic applications.
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