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The 628/4-2Z is a compact single-row deep groove ball bearing, measuring just 4mm by 9mm by 3.5mm. Made from chrome steel, it’s designed for radial loads up to 95 lbf and can handle speeds up to 70,000 RPM.
Its shielded design keeps grease in and dirt out, making it low-maintenance. The stainless steel cage adds durability, ensuring smooth operation even under stress.
This bearing works well in temperatures from -30°C to 120°C, suitable for various environments. It’s interchangeable with SKF models, offering a reliable replacement option.
Ideal for small machinery or precision tools where space is limited but performance is key. Compliant with RoHS and REACH standards for safe use.
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Why Choose 628/4-2Z Bearing for Precision Tasks?
628/4-2Z Bearing features a single row deep groove design, ideal for handling radial loads with precision.
Its shielded construction protects against contaminants, ensuring smooth operation in various environments.
The chrome steel rings and balls in 628/4-2Z Bearing offer durability and resistance to wear.
With a maximum speed of 70,000 rpm, it delivers reliable performance in high-speed applications.
628/4-2Z Bearing operates efficiently within a temperature range of -30° to 120°C.
Its compact size of 4 mm×9 mm×3.5 mm makes it suitable for space-constrained applications.
The stainless steel cage in 628/4-2Z Bearing maintains ball alignment, reducing friction.
This design ensures long service life and minimal maintenance requirements.
Common Applications of 628/4-2Z Bearing
In small electric motors, 628/4-2Z Bearing is a go-to choice due to its compact size and shielded design, which keeps dust out while maintaining smooth rotation. Its high-speed capability makes it ideal for precision devices like dental tools or miniature fans.
Industrial Uses of 628/4-2Z Bearing
This bearing works well in conveyor belt rollers, where its radial load capacity handles consistent movement without overheating. The grease lubrication ensures long-term performance even in dusty factory environments.
Where Is 628/4-2Z Bearing Used?
You’ll often spot 628/4-2Z Bearing in optical equipment like microscopes, where its P6 tolerance provides the necessary precision. The chrome steel construction also makes it reliable for continuous use in laboratory settings.
Built for Versatility: 628/4-2Z Bearing
From cooling fans in computers to delicate instrument mechanisms, this bearing’s 4mm bore fits neatly into tight spaces. The stainless steel cage prevents corrosion, extending its lifespan in humid conditions.
Automotive vs Aerospace: Applications of 628/4-2Z Bearing
In cars, 628/4-2Z Bearing might appear in dashboard instruments or small actuators, while drone manufacturers value it for lightweight propeller systems. Both benefit from its 70,000 rpm maximum speed rating.
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