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The 638 2rs is a sealed miniature ball bearing with an 8mm bore and 28mm outer diameter, crafted from durable chrome steel. Its compact size (9mm width) makes it suitable for tight spaces while handling radial loads up to 873 lbf.
The double rubber seals keep dirt out and grease in, extending its lifespan. With a maximum speed of 28,000 RPM, it spins smoothly for small, fast-moving applications.
Its stainless steel cage ensures stability, and the ABEC1 tolerance offers reliable performance. The bearing operates in temperatures from -30°C to 110°C.
Ideal for small motors, hobby projects, or light machinery where space is limited. Weighing just 30.3g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards.
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How Does 638 2rs Bearing Reduce Friction?
638 2rs Bearing features a sealed design with nitrile rubber shields, keeping contaminants out and lubrication in.
Its chrome steel construction ensures smooth operation, reducing friction during high-speed rotations.
The stainless steel cage maintains ball alignment, minimising wear and extending the bearing’s lifespan.
With a maximum speed of 28,000 rpm, it delivers reliable performance in compact applications.
Optimised for radial loads, 638 2rs Bearing handles dynamic loads up to 873 lbf.
Its ABEC1 tolerance class ensures consistent precision, making it suitable for miniature machinery.
Common Applications of 638 2rs Bearing
The 638 2rs Bearing is widely used in small electric motors, such as those found in household appliances like fans and blenders. Its sealed design helps keep out dust and moisture, ensuring longer service life.
What Makes 638 2rs Bearing a Preferred Choice?
With its compact size and reliable performance, 638 2rs Bearing is ideal for light-duty machinery and hobbyist projects like 3D printers. The chrome steel construction offers good wear resistance for everyday use.
Perfect Fit for Automation: 638 2rs Bearing
In automated systems, 638 2rs Bearing works well in conveyor rollers and small robotic arms. The ABEC1 tolerance provides sufficient precision for most industrial applications without unnecessary cost.
Medical vs Industrial: Where 638 2rs Bearing Excels
While not suitable for high-load medical devices, 638 2rs Bearing performs reliably in lab equipment and dental tools. Its nitrile rubber seals protect against contamination in clean environments.
Light-Duty vs Heavy-Duty: Best Uses for 638 2rs Bearing
For light loads, 638 2rs Bearing is excellent in office machinery like printers and scanners. The stainless steel cage prevents corrosion in humid office environments.
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