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The 684 2rs is a small, sealed ball bearing with a 4mm bore and 9mm outer diameter, made from sturdy chrome steel. It handles radial loads up to 123 lbf and spins smoothly at speeds up to 53,000 RPM.
Its double rubber seals keep dirt out and grease in, making it low-maintenance. The stainless steel cage ensures durability, even in demanding conditions.
This bearing is ideal for small devices like electric motors or hobbyist projects where space is limited. It works well in temperatures from -30°C to 110°C.
Weighing just 1g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a reliable choice for various applications.
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Why Choose 684 2rs Bearing for Precision Tasks?
684 2rs Bearing features a sealed design with nitrile rubber shields, protecting against dust and moisture.
Its chrome steel construction ensures durability and smooth operation in radial load applications.
With a dynamic radial load capacity of 123 lbf, it handles precise movements efficiently.
The ABEC1 tolerance class guarantees consistent performance for miniature applications.
Operating at speeds up to 53,000 rpm, it balances speed and reliability.
Its compact size (4 mm×9 mm×4 mm) makes it ideal for space-constrained designs.
Common Applications of 684 2rs Bearing
In small electric motors, 684 2rs Bearing is a reliable choice due to its compact size and sealed design, which keeps dust out. Its chrome steel construction ensures smooth rotation, making it ideal for low-power devices like cooling fans.
How Does 684 2rs Bearing Improve Performance?
For miniature machinery, 684 2rs Bearing reduces friction with its precision ball design, enhancing efficiency. The nitrile rubber seals also help maintain lubrication, extending the bearing’s lifespan in continuous-use applications.
Ideal for Precision: 684 2rs Bearing
In medical devices like dental tools, 684 2rs Bearing offers quiet and vibration-free operation. Its ABEC1 tolerance ensures consistent performance, crucial for sensitive equipment.
Automotive vs Aerospace: Applications of 684 2rs Bearing
In automotive dash instruments, 684 2rs Bearing provides reliable movement for gauges and small actuators. While not suited for high-stress aerospace use, it excels in lightweight, precision applications.
Where Is 684 2rs Bearing Used?
You’ll often find 684 2rs Bearing in consumer electronics, such as computer cooling fans or printer rollers. Its small dimensions and sealed design make it perfect for tight spaces and dusty environments.
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