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The 3308 A is a double-row angular contact ball bearing, measuring 40mm in bore diameter and 90mm in outer diameter, with a width of 36.5mm. Made from chrome steel, it’s built to handle both radial and angular loads efficiently.
With a dynamic radial load capacity of 14738 lbf, it can spin at speeds up to 7500 RPM. The open design allows for easy lubrication, while the stainless steel cage ensures durability.
Its double-row construction provides stability, making it suitable for heavy-duty applications. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.
Ideal for machinery like pumps or gearboxes, it’s interchangeable with SKF bearings for easy replacement. Compliant with RoHS and REACH standards, it’s a reliable choice for industrial use. Weighing 0.93kg, it balances strength and practicality.
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Performance Features of 3308 A Bearing
3308 A Bearing is built with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 14,738 lbf, ensuring reliable performance in demanding applications.
The double-row design of 3308 A Bearing provides better load distribution, reducing stress on individual components.
With a maximum speed of 7,500 rpm, it balances durability and efficiency for high-speed operations.
3308 A Bearing’s stainless steel cage keeps the balls aligned, minimising wear and extending service life.
Its P6 tolerance class ensures precision, making it suitable for applications requiring high accuracy.
The open seal design of 3308 A Bearing allows for easy lubrication, reducing maintenance needs.
It operates efficiently in temperatures ranging from -30° to 110°C, adapting to various working conditions.
Industrial Uses of 3308 A Bearing
3308 A 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, ideal for high-speed spindle applications.
In automotive systems, 3308 A Bearing supports wheel hubs and transmissions, offering stability under varying load conditions. Its P6 tolerance class ensures precise alignment in demanding driving scenarios.
For robotics, 3308 A Bearing’s angular contact design provides smooth motion in articulated arms and joints. The chrome steel construction balances durability with consistent performance in repetitive movements.
Where Is 3308 A Bearing Used?
You’ll find 3308 A Bearing in conveyor systems, where its width accommodates heavy material handling. The stainless steel cage resists wear from continuous operation in dusty environments.
In printing machinery, 3308 A Bearing maintains registration accuracy due to its tight tolerances. The lubricated design reduces friction during high-speed paper feeding processes.
Built for Heavy-Duty Use: 3308 A Bearing
3308 A Bearing excels in industrial fans, handling both thrust and radial loads from airflow. Its 90mm outer diameter provides a stable footprint for vibration-prone applications.
In packaging equipment, 3308 A Bearing’s 36.5mm width supports rapid cyclic loading. The chrome steel balls withstand constant starts and stops without compromising smoothness.
Automotive vs Aerospace: Applications of 3308 A Bearing
In cars, 3308 A Bearing suits differential systems where space constraints demand compact designs. For aircraft, its temperature range (-30° to 110°C) covers typical operational extremes.
The bearing’s 7.5krpm limit works well for automotive alternators, while aerospace actuators benefit from its ABEC-3 precision during high-G maneuvers.
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