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The W 638 is a stainless steel deep groove ball bearing with an 8mm bore and 28mm outer diameter, designed for radial loads. It measures 9mm in width, making it compact yet sturdy for its size.
This bearing handles dynamic radial loads up to 892 lbf and can spin at speeds up to 40,000 RPM. Its open design allows for easy lubrication and maintenance when needed.
Made entirely from stainless steel, it resists corrosion and works well in temperatures from -30°C to 120°C. The single-row construction ensures smooth operation under radial loads.
Ideal for applications like small motors or food processing equipment where hygiene and durability matter. Weighing just 0.027kg, it’s lightweight and compliant with RoHS and REACH standards.
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Why Choose W 638 Bearing for Precision Tasks?
W 638 Bearing is crafted from stainless steel, offering excellent resistance to corrosion and wear.
Its compact size of 8 mm×28 mm×9 mm makes it ideal for applications where space is limited.
The single-row design ensures smooth radial load handling, with a dynamic radial load capacity of 892 lbf.
With a maximum speed of 40,000 rpm, it delivers reliable performance in high-speed operations.
W 638 Bearing operates efficiently in temperatures ranging from -30° to 120 °C.
Its open design simplifies maintenance, while the stainless steel cage enhances durability.
Common Applications of W 638 Bearing
W 638 Bearing is a versatile choice for small electric motors, often found in household appliances like fans and blenders. Its stainless steel construction ensures resistance to corrosion, making it suitable for damp environments.
In automation systems, W 638 Bearing supports lightweight robotic arms and conveyor belts, where smooth rotation is essential. The open design allows for easy lubrication, extending its service life in continuous operations.
For medical devices, W 638 Bearing’s precision and cleanliness make it ideal for lab equipment and diagnostic tools. The P0 tolerance class ensures reliable performance in sensitive applications.
Where Is W 638 Bearing Used?
You’ll often spot W 638 Bearing in office printers, where its compact size and radial load capacity keep paper feeds running smoothly. The high-speed capability (up to 40,000 rpm) suits it for precision tasks.
In food processing equipment, W 638 Bearing’s stainless steel build meets hygiene standards while handling light loads. Its easy maintenance makes it a practical pick for washdown areas.
Built for Versatility: W 638 Bearing
W 638 Bearing shines in 3D printers, providing quiet and precise movement for print heads. The single-row design offers a good balance between load capacity and space efficiency.
For DIY power tools, W 638 Bearing’s durability handles intermittent high-speed use without overheating. The metric sizing ensures compatibility with most European and Asian tool designs.
Light-Duty vs Heavy-Duty: Best Uses for W 638 Bearing
In light-duty applications like camera gimbals, W 638 Bearing delivers smooth motion control with minimal friction. The stainless steel balls reduce wear over time.
For heavier small-scale uses like model turbines, W 638 Bearing manages radial loads effectively. Its temperature range (-30° to 120°C) covers most operational environments.
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