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The S639 is a compact miniature ball bearing with a 9mm bore and 30mm outer diameter, crafted entirely from stainless steel for durability. It supports radial loads up to 802 lbf and spins efficiently at speeds up to 21,600 RPM.
Its open design simplifies lubrication, while the stainless steel cage ensures smooth operation. With a radial clearance of 0.002mm to 0.013mm, it offers reliable performance in precise applications.
This bearing is ideal for small machinery or instruments where space is limited but performance is key. It operates well in temperatures from -30°C to 110°C, making it versatile for various environments.
Weighing just 36.2g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards, it’s a safe and practical choice for radial load applications.
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How Does S639 Bearing Reduce Friction?
S639 Bearing uses stainless steel rings and balls, ensuring smooth operation with minimal friction.
Its ABEC1 tolerance class provides consistent performance, ideal for precision applications.
The open design allows for easy lubrication, maintaining efficiency over time.
With a maximum speed of 21,600 rpm, it delivers reliable performance in high-speed scenarios.
S639 Bearing’s radial clearance of 0.002mm to 0.013mm ensures optimal fit and reduced wear.
The stainless steel cage keeps the balls aligned, enhancing durability and longevity.
Common Applications of S639 Bearing
S639 Bearing is widely used in industrial equipment like small conveyor rollers and precision machinery, where its compact size and stainless steel construction offer reliable performance. The open design allows for easy lubrication, extending its service life in dusty environments.
In automotive applications, S639 Bearing fits well in electric motors and gear mechanisms, providing smooth rotation under radial loads. Its ABEC1 tolerance ensures consistent operation without excessive noise or vibration.
For medical devices such as dental drills or lab centrifuges, S639 Bearing’s stainless steel materials resist corrosion and maintain hygiene standards. The lightweight design also helps reduce overall equipment weight.
Automation systems benefit from S639 Bearing in robotic arms and 3D printers, where precise movement is essential. Its high-speed capability (up to 21,600 rpm) makes it suitable for dynamic tasks.
In household appliances like electric fans or printers, S639 Bearing ensures quiet and efficient operation. The low-maintenance design is ideal for devices used daily.
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