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The W 638/4 R-2Z is a compact flanged deep groove ball bearing, measuring just 4mm by 9mm with a 10.3mm flange. Made entirely from stainless steel, it offers good corrosion resistance and durability.
This shielded bearing handles radial loads up to 82 lbf and can spin at impressive speeds up to 70,000 RPM. Its grease lubrication ensures smooth operation with minimal maintenance.
The flange design helps keep the bearing securely in place during operation, making installation simpler. It’s suitable for temperatures ranging from -30°C to 120°C.
Ideal for small machinery or precision instruments where space is limited. Compliant with RoHS and REACH standards, it’s a reliable choice for various applications.
Weighing only 0.0011kg, it’s incredibly lightweight yet robust for its tiny size. The bearing is interchangeable with SKF models for easy replacement.
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How Does W 638/4 R-2Z Bearing Reduce Friction?
W 638/4 R-2Z Bearing features stainless steel rings and balls, ensuring smooth operation with minimal friction.
Its shielded design helps retain lubrication, further reducing wear and maintaining efficiency.
The single-row construction of W 638/4 R-2Z Bearing ensures consistent performance under radial loads.
With a maximum speed of 70,000 rpm, it is suitable for high-speed applications.
W 638/4 R-2Z Bearing operates efficiently in temperatures ranging from -30° to 120°C.
Its compact size and lightweight design make it ideal for precision instruments.
The flanged outer ring of W 638/4 R-2Z Bearing provides secure mounting, reducing misalignment risks.
This design enhances stability and prolongs the bearing’s service life.
Key Fields for W 638/4 R-2Z Bearing
W 638/4 R-2Z Bearing is commonly used in small electric motors, such as those found in cooling fans or miniature appliances. Its compact size and shielded design help keep dust out while maintaining smooth rotation.
In automation systems, W 638/4 R-2Z Bearing fits well in compact robotic joints or 3D printer components. The stainless steel construction ensures it can handle frequent movement without rusting.
For medical devices, W 638/4 R-2Z Bearing works nicely in dental tools or small diagnostic equipment. The grease lubrication provides quiet operation, which is important in clinical settings.
Around the house, you might find W 638/4 R-2Z Bearing in computer cooling fans or small power tools. The flange design makes installation simpler in tight spaces where standard bearings won’t fit.
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