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The SR4 is a compact inch-sized miniature ball bearing, measuring 0.25″×0.625″×0.196″, crafted entirely from stainless steel for durability. It handles radial loads up to 255 lbf and spins smoothly at speeds up to 34,200 RPM.
Its open design and ABEC1 tolerance make it easy to maintain, while the stainless steel cage ensures reliable performance. The bearing operates in temperatures from -86°F to 230°F, requiring regular lubrication.
With 8 stainless steel balls and a radial clearance of 0.00008″ to 0.0005″, it offers smooth rotation. Ideal for small machinery, hobby projects, or precision instruments where space is limited.
Weighing just 4.46g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use in various applications.
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Why Choose SR4 Bearing for Precision Tasks?
SR4 Bearing features stainless steel rings and balls, offering reliable performance in precision applications.
Its compact size of 0.25″×0.625″×0.196″ makes it ideal for miniature equipment and tight spaces.
With a dynamic radial load capacity of 255 lbf, SR4 Bearing handles demanding radial loads efficiently.
The open design allows for easy lubrication, ensuring smooth operation and extended service life.
SR4 Bearing operates at speeds up to 34,200 rpm, making it suitable for high-speed applications.
Its ABEC1 tolerance class ensures consistent performance in precision instruments.
Common Applications of SR4 Bearing
SR4 Bearing is widely used in small-scale industrial equipment, such as miniature motors and precision instruments. Its compact size and stainless steel construction make it ideal for environments where corrosion resistance is important.
In the automotive sector, SR4 Bearing can be found in components like fuel pumps and small actuators. The ABEC1 tolerance ensures reliable performance in these critical applications.
For medical devices, SR4 Bearing’s smooth operation is beneficial in tools like dental handpieces and lab equipment. The open design allows for easy lubrication, extending its service life.
Automation and robotics also benefit from SR4 Bearing, particularly in compact robotic arms and 3D printers. Its lightweight design and high-speed capability make it a practical choice for these applications.
In consumer electronics, SR4 Bearing is often used in small fans and power tools. The inch sizing makes it compatible with a variety of American-made devices.
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