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The 681x is a compact miniature ball bearing with a 1.5mm bore and 4mm outer diameter, measuring just 1.2mm in width. Made from chrome steel, it’s designed for radial loads up to 21 lbf and spins smoothly at speeds up to 100,000 RPM.
Its open design and stainless steel cage ensure durability, while the ABEC1 tolerance class provides reliable performance. The bearing operates well in temperatures from -30°C to 110°C.
This model is ideal for small, precision applications like miniature motors or delicate instruments. Its lightweight design, at just 0.1g, makes it easy to integrate into compact devices.
Compliant with RoHS and REACH standards, it’s a safe choice for various industries. Regular lubrication is recommended to maintain optimal performance.
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Why Choose 681x Bearing for Precision Tasks?
681x Bearing is crafted with chrome steel rings and balls, ensuring high precision in radial load applications.
Its compact size of 1.5 mm×4 mm×1.2 mm makes it ideal for miniature devices requiring reliable performance.
The stainless steel cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 100,000 rpm, it delivers smooth operation in high-speed environments.
681x Bearing operates efficiently within a temperature range of -30° to 110 °C.
Its ABEC1 tolerance class ensures consistent performance for precision tasks.
Practical Applications of 681x Bearing
The 681x Bearing is commonly used in small electric motors, such as those found in handheld fans or miniature pumps, due to its compact size and smooth radial load handling. Its open design simplifies lubrication, ensuring long service life in continuous operation.
Where Is 681x Bearing Used?
You’ll often spot 681x Bearing in precision instruments like dental drills or watch mechanisms, where its ABEC1 tolerance provides consistent performance. The chrome steel construction also makes it suitable for environments requiring corrosion resistance.
Built for Versatility: 681x Bearing
This bearing fits well in 3D printers, particularly in extruder assemblies where low friction and high-speed capability matter. The lightweight design (just 0.1g) helps reduce moving part inertia for better print accuracy.
Medical vs Industrial: Where 681x Bearing Excels
In medical devices like insulin pumps, 681x Bearing offers quiet operation crucial for patient comfort. Meanwhile, its 100,000 rpm rating makes it equally viable for industrial sensors or small robotics.
Perfect Fit for Automation: 681x Bearing
The 681x Bearing works reliably in automated camera lenses, supporting precise focus adjustments. Seven evenly spaced balls distribute loads effectively, reducing wear even with frequent directional changes.
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