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The SF689 is a small, single-row radial ball bearing with a 9mm bore and 17mm outer diameter, crafted entirely from stainless steel for durability. It supports radial loads up to 228 lbf and spins at speeds up to 32,400 RPM, making it suitable for high-speed applications.
Its open design requires lubrication but allows for easy maintenance, while the stainless steel cage ensures smooth operation. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.
With a lightweight design at just 3.85g, it’s ideal for compact devices like small motors or precision instruments. The flange adds stability, helping it stay securely in place during use. Compliant with RoHS and REACH standards, it’s a reliable choice for various industrial and electronic applications.
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How Does SF689 Bearing Reduce Friction?
SF689 Bearing is crafted with stainless steel rings and balls, ensuring smooth radial movement with minimal friction.
Its precision design includes 11 balls, optimised for even load distribution and reduced wear.
The open seal type allows for easy lubrication, maintaining performance at high speeds up to 32,400 rpm.
With a dynamic radial load capacity of 228 lbf, it delivers reliable operation in various applications.
SF689 Bearing operates efficiently within a temperature range of -30° to 110°C, suitable for diverse environments.
Its lightweight construction at just 3.85 g makes it ideal for compact and precision-driven systems.
Common Applications of SF689 Bearing
SF689 Bearing is widely used in small electric motors, such as those found in cooling fans and power tools. Its compact size and stainless steel construction make it ideal for environments where corrosion resistance is important.
In automation systems, SF689 Bearing supports precise movements in devices like 3D printers and robotic arms. The high-speed capability ensures smooth operation even during rapid directional changes.
For medical devices, SF689 Bearing’s low friction and quiet performance are beneficial in equipment like dental handpieces. The open design allows for easy lubrication, maintaining long-term reliability.
Where Is SF689 Bearing Used?
You’ll often find SF689 Bearing in household appliances like blenders and food processors. Its lightweight design and durability make it a practical choice for daily use.
In industrial settings, SF689 Bearing works well in conveyor systems and small machinery. The ABEC1 tolerance provides sufficient precision for most general applications.
Built for Versatility: SF689 Bearing
SF689 Bearing performs reliably in both high-speed and low-load scenarios, such as model aircraft motors. The stainless steel balls reduce wear, extending the bearing’s service life.
For electronic devices, SF689 Bearing offers smooth rotation in components like hard drive spindles. Its minimal radial clearance helps maintain accuracy in sensitive equipment.
Light-Duty vs Heavy-Duty: Best Uses for SF689 Bearing
In light-duty applications, SF689 Bearing excels in office equipment like printers and scanners. The small flange outer diameter allows for space-saving installations.
For more demanding tasks, SF689 Bearing can handle moderate loads in industrial sensors. The temperature range ensures consistent performance in various operating conditions.
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