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The MR85zz is a compact miniature ball bearing with a 5mm bore and 8mm outer diameter, crafted from sturdy chrome steel. Its shielded design keeps dust out while allowing smooth rotation at speeds up to 53,000 RPM.
With a dynamic radial load capacity of 42 lbf, this single-row bearing is built for small yet demanding applications. The stainless steel cage and shields ensure durability in temperatures from -30°C to 110°C.
Its slim 2.5mm width makes it ideal for tight spaces, like small motors or precision instruments. The bearing requires lubrication for optimal performance but offers reliable operation once maintained.
Weighing just 0.34g, it’s lightweight without sacrificing strength. Compliant with RoHS and REACH standards, it’s a practical choice for both industrial and hobbyist projects.
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How Does MR85zz Bearing Reduce Friction?
MR85zz Bearing features a shielded design with chrome steel rings and balls, ensuring smooth operation with minimal friction.
Its dynamic radial load capacity of 42 lbf makes it suitable for small yet demanding applications.
The stainless steel cage maintains ball alignment, reducing wear and enhancing longevity.
With a maximum speed of 53,000 rpm, it offers reliable performance in high-speed scenarios.
MR85zz Bearing operates efficiently within a temperature range of -30° to 110°C.
Its compact size of 5 mm×8 mm×2.5 mm makes it ideal for miniature applications.
Common Applications of MR85zz Bearing
MR85zz Bearing is widely used in small electric motors, such as those found in cooling fans or handheld devices, thanks to its compact size and reliable performance. The shielded design helps keep out dust, making it suitable for environments where cleanliness matters.
In automation systems, MR85zz Bearing fits well in miniature robotic arms or precision-guided mechanisms, where smooth rotation is key. Its chrome steel construction ensures durability even with frequent movement.
For consumer electronics like printers or small appliances, MR85zz Bearing provides quiet operation and long service life. The ABEC1 tolerance class offers a good balance of precision and affordability for everyday use.
Medical devices, such as dental tools or lab equipment, benefit from MR85zz Bearing’s consistent performance and resistance to wear. The stainless steel cage adds an extra layer of protection against corrosion in sterile environments.
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