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The 689 is a compact miniature ball bearing with a 9mm bore and 17mm outer diameter, crafted from durable chrome steel. Its slim 4mm width makes it ideal for tight spaces while maintaining reliable performance.
This bearing handles radial loads up to 254 lbf and spins smoothly at high speeds, reaching up to 36,000 RPM. The open design allows for easy lubrication, ensuring smooth operation over time.
With 11 precision balls and a stainless steel cage, it offers stable rotation with minimal friction. The ABEC1 tolerance ensures consistent performance for general applications.
Suitable for small machinery, dental tools, or precision instruments where space is limited. It operates in temperatures from -30°C to 110°C and complies with RoHS and REACH standards.
Weighing just 3.41g, it’s lightweight yet robust for its size, making it a practical choice for various compact applications.
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Why Choose 689 Bearing for Precision Tasks?
689 Bearing features a single-row design with 11 chrome steel balls, ensuring smooth radial load handling.
Its ABEC1 tolerance class provides consistent performance for precision applications.
The stainless steel cage maintains ball alignment, reducing friction and wear.
With a dynamic radial load capacity of 254 lbf, it offers reliable operation in compact spaces.
689 Bearing operates efficiently at speeds up to 36,000 rpm, balancing speed and durability.
Its chrome steel construction resists wear, extending service life in demanding conditions.
The open design simplifies lubrication, ensuring optimal performance over time.
Weighing just 3.41 g, it is ideal for lightweight applications requiring precision.
Common Applications of 689 Bearing
The 689 Bearing is widely used in small electric motors, such as those found in household appliances and power tools. Its compact size and reliable performance make it ideal for tight spaces where precision matters.
In robotics, the 689 Bearing ensures smooth movement in joints and gears, thanks to its low friction and high-speed capability. The open design allows for easy lubrication, extending its service life in demanding applications.
For medical devices like dental drills or lab equipment, the 689 Bearing’s chrome steel construction offers durability and consistent performance. Its lightweight design also helps reduce overall device weight without compromising strength.
Where Is 689 Bearing Used?
You’ll often find the 689 Bearing in consumer electronics, such as cooling fans for computers or printers. Its small dimensions and efficient operation make it a go-to choice for these everyday devices.
In automotive applications, the 689 Bearing supports small components like throttle systems or dashboard instruments. The ABEC1 tolerance ensures reliable performance even in vibrating environments.
Built for Versatility: 689 Bearing
The 689 Bearing works well in 3D printers, where its precision helps maintain accurate print head movements. Its stainless steel cage resists wear, even with frequent direction changes.
Light-Duty vs Heavy-Duty: Best Uses for 689 Bearing
While the 689 Bearing excels in light-duty tasks like hobbyist drones, it’s also suitable for industrial sensors. The balance between load capacity and speed makes it adaptable across different fields.
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