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The 687 is a compact miniature ball bearing with a 7mm bore and 14mm outer diameter, measuring just 3.5mm wide. Made from chrome steel, it’s designed for radial loads up to 224 lbf and spins smoothly at speeds up to 40,000 RPM.
Its open design and stainless steel cage make it easy to maintain, while the ABEC1 tolerance ensures reliable performance. The bearing operates well in temperatures from -30°C to 110°C.
With a lightweight design at just 2.03g, it’s ideal for small applications like model-making or precision instruments. Compliant with RoHS and REACH standards, it’s a safe and durable choice for various uses.
The bearing requires lubrication for optimal performance, making it simple to keep in good working order. Its small size and high-speed capability make it versatile for many light-duty tasks.
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Why Choose 687 Bearing for Precision Tasks?
687 Bearing is precision-engineered with a tailored raceway design, reducing friction and ensuring smooth operation.
The chrome-plated steel used in 687 Bearing resists corrosion, ensuring a longer service life.
687 Bearing works in humid or dusty environments, thanks to its corrosion-resistant materials.
The durable construction of 687 Bearing makes it reliable, even in heavy-duty applications.
With its easy-to-install design, 687 Bearing lowers maintenance costs.
687 Bearing’s long-lasting design ensures extended service life, reducing replacement costs.
Common Applications of 687 Bearing
In small industrial equipment like precision instruments, 687 Bearing offers reliable radial load support due to its compact 7mm bore and chrome steel construction. The open design allows for easy lubrication, extending its service life in dusty environments.
Where Is 687 Bearing Used?
You’ll often spot 687 Bearing in consumer electronics, particularly in cooling fans and small motors where its 3.5mm width fits tight spaces. Its ABEC1 tolerance ensures smooth rotation at speeds up to 40,000 rpm.
Built for Versatility: 687 Bearing
This bearing works well in automation systems like 3D printers, where its 14mm outer diameter balances space constraints with load capacity. The stainless steel cage prevents corrosion in humid workshop conditions.
Medical vs Industrial: Where 687 Bearing Excels
While suitable for dental handpieces, 687 Bearing truly shines in industrial applications like textile machinery spindles. Its 2mm steel balls handle moderate radial loads without compromising on rotational accuracy.
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