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The 639 is a compact metric ball bearing with a 9mm bore and 30mm outer diameter, crafted from sturdy chrome steel. It supports radial loads up to 891 lbf and spins smoothly at speeds up to 24,000 RPM.
Its open design allows for easy lubrication, while the stainless steel cage ensures durability. The bearing operates well in temperatures ranging from -30°C to 110°C.
With a radial clearance of 0.002mm to 0.013mm, it offers reliable performance for precision applications. Ideal for small machinery or tools where smooth rotation is key.
Weighing just 36.2g, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe use.
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How Does 639 Bearing Reduce Friction?
639 Bearing features a single-row design with chrome steel rings and balls, ensuring smooth radial load handling.
Its precision-engineered construction minimises friction, allowing for efficient operation at speeds up to 24,000 rpm.
The stainless steel cage maintains ball alignment, reducing wear and extending the bearing’s lifespan.
With a dynamic radial load capacity of 891 lbf, it offers reliable performance in various applications.
Optimised for low-noise operation, 639 Bearing is ideal for precision instruments and small machinery.
Its open design simplifies lubrication, ensuring consistent performance over time.
Common Applications of 639 Bearing
The 639 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 a go-to choice for lightweight applications.
Where Is 639 Bearing Used?
You’ll often spot the 639 Bearing in office equipment like printers and scanners, where smooth rotation is essential. Its open design allows for easy lubrication, ensuring long-lasting performance in everyday devices.
Built for Versatility: 639 Bearing
This bearing fits well in hobbyist projects, from RC cars to DIY gadgets, thanks to its balanced load capacity. The chrome steel construction ensures durability without adding unnecessary weight.
Automotive vs Industrial: Applications of 639 Bearing
In automotive auxiliaries like cooling fans, the 639 Bearing handles moderate speeds with ease. Meanwhile, in light industrial machinery, its ABEC1 tolerance provides sufficient precision for consistent operation.
Perfect Fit for Automation: 639 Bearing
The 639 Bearing works seamlessly in small robotic arms and conveyor systems, where precision and reliability are key. Its stainless steel cage helps reduce friction, making it ideal for repetitive motions.
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