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The SMR84zz is a compact miniature ball bearing, measuring just 4mm by 8mm by 3mm, crafted entirely from stainless steel for durability. It handles radial loads up to 68 lbf and spins smoothly at speeds up to 50,400 RPM.
Its shielded design keeps dust out while maintaining easy access for lubrication, and the stainless steel cage ensures long-lasting performance. The bearing operates well in temperatures from -30°C to 110°C.
With an ABEC1 tolerance class, it offers reliable precision for small-scale applications. Ideal for uses like small motors, drones, or precision instruments where space is limited.
Weighing only 0.56g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe and versatile use.
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Why Choose SMR84zz Bearing for Precision Tasks?
SMR84zz Bearing features a shielded design with stainless steel rings and balls, ensuring smooth radial operation.
Its compact size of 4mm×8mm×3mm makes it ideal for miniature applications where space is limited.
With a dynamic radial load capacity of 68 lbf, SMR84zz Bearing handles light to moderate loads efficiently.
The ABEC1 tolerance class ensures consistent precision, suitable for high-speed applications up to 50,400 rpm.
Stainless steel construction provides corrosion resistance, extending the bearing’s lifespan in various environments.
The shielded design helps retain lubrication while keeping contaminants out, reducing maintenance needs.
Common Applications of SMR84zz Bearing
SMR84zz Bearing is widely used in small electric motors, such as those found in cooling fans or handheld devices, thanks to its compact 4mm bore and shielded design. The stainless steel construction ensures durability in humid or corrosive environments.
In robotics, SMR84zz Bearing provides smooth rotation for joints and miniature gear trains, where its low friction and ABEC1 tolerance balance performance with cost-efficiency. The 50,000 rpm speed rating makes it suitable for high-speed automation tasks.
For medical devices like dental tools or insulin pumps, SMR84zz Bearing’s precision movement and clean stainless steel materials meet hygiene requirements. Its lightweight design (0.56g) prevents unnecessary strain on delicate mechanisms.
Around the home, SMR84zz Bearing often appears in appliance motors, from electric toothbrushes to printer rollers. The shielded design helps keep out dust while maintaining quiet operation during daily use.
Hobbyists frequently choose SMR84zz Bearing for RC cars and drones, where its 8mm outer diameter fits tight spaces without sacrificing radial load capacity. The MC3 clearance provides just enough play for thermal expansion during intense use.
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