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The SMF74 2RS is a small, sealed ball bearing with a 4mm bore and 7mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 44 lbf and spins at speeds up to 54,000 RPM, making it suitable for high-speed applications.
Its compact design, just 2.5mm wide, includes a nitrile rubber seal to keep dirt out and lubrication in. The stainless steel cage ensures smooth operation and long service life.
This bearing is ideal for small devices like precision instruments or miniature motors where space is limited. It performs well in temperatures from -30°C to 110°C.
Weighing only 0.3g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a reliable choice for various industrial and hobbyist uses.
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How Does SMF74 2rs Bearing Achieve High-Speed Performance?
SMF74 2rs Bearing is crafted with stainless steel rings and balls, ensuring smooth operation at speeds up to 54,000 rpm.
Its sealed design with nitrile rubber shields protects against contaminants, maintaining performance in various environments.
The ABEC1 tolerance class and precise radial clearance of 0.002mm to 0.013mm contribute to its reliable radial load handling.
With a dynamic radial load capacity of 44 lbf, it is suitable for compact, high-speed applications.
Where Is SMF74 2rs Bearing Used?
SMF74 2rs Bearing is commonly found in small electric motors, such as those used in drones or RC cars, where its compact size and sealed design prevent dust ingress. The stainless steel construction ensures longevity even in humid conditions.
In consumer electronics like mini fans or handheld devices, SMF74 2rs Bearing provides smooth rotation thanks to its low friction design. Its high-speed capability makes it ideal for applications requiring quick, reliable movement.
For medical instruments, SMF74 2rs Bearing’s precision and cleanliness are key, especially in devices like blood analyzers. The sealed feature helps maintain hygiene by keeping contaminants out during operation.
Automation systems benefit from SMF74 2rs Bearing in compact robotic arms or small conveyor mechanisms. Its lightweight and durability make it a go-to for repetitive, high-speed tasks.
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