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The 618/4 is a compact single-row deep groove ball bearing, measuring just 4mm by 9mm by 2.5mm. Made from chrome steel with a stainless steel cage, it’s built to handle radial loads up to 95 lbf.
With a maximum speed of 85,000 RPM, it spins smoothly and efficiently. Its open design allows for easy maintenance and lubrication, making it practical for various uses.
This bearing is interchangeable with SKF models, offering a reliable replacement option. It’s suitable for small devices like electric motors or precision instruments where space is limited.
Weighing only 0.0007kg, it’s lightweight yet durable. Compliant with RoHS and REACH standards, it operates in temperatures from -30°C to 120°C.
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Why Choose 618/4 Bearing for Precision Tasks?
618/4 Bearing features a compact design with dimensions of 4 mm×9 mm×2.5 mm, making it ideal for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under radial loads.
The single row deep groove design allows for high-speed performance, reaching up to 85,000 rpm.
With a static radial load capacity of 26 lbf, it provides reliable support in small-scale machinery.
618/4 Bearing operates efficiently within a temperature range of -30° to 120 °C.
Its stainless steel cage maintains ball alignment, reducing wear and extending service life.
Common Applications of 618/4 Bearing
In small electric motors, 618/4 Bearing is a reliable choice due to its compact size and radial load capacity. The chrome steel construction ensures durability even in continuous operation.
Where Is 618/4 Bearing Used?
You’ll often find 618/4 Bearing in precision instruments like optical devices or small gauges. Its low friction and smooth rotation make it ideal for delicate applications.
Built for Heavy-Duty Use: 618/4 Bearing
Despite its small size, 618/4 Bearing handles radial loads well in tools like dental drills or miniature grinders. The stainless steel cage adds extra resilience in high-speed scenarios.
Automotive vs Aerospace: Applications of 618/4 Bearing
In automotive fuel pumps, 618/4 Bearing ensures smooth operation, while in aerospace models, its lightweight design is perfect for compact mechanisms. The temperature range suits both environments.
Perfect Fit for Automation: 618/4 Bearing
618/4 Bearing works seamlessly in robotic arms or small conveyor systems. Its metric sizing and open design simplify maintenance in automated setups.
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