The W 638/8 R-2Z is a compact flanged deep groove ball bearing with an 8mm bore and 16mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 161 lbf and spins smoothly at speeds up to 45,000 RPM.
Its shielded design keeps out dust while retaining grease, making it low-maintenance. The flange adds stability, preventing slippage during operation.
This bearing suits small machinery or instruments where space is limited but reliability is key. It performs well in temperatures from -30°C to 120°C.
Weighing just 5.1 grams, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards, it’s interchangeable with SKF bearings for easy replacement.
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What Makes W 638/8 R-2Z Bearing Suitable for High-Speed Applications?
W 638/8 R-2Z Bearing is crafted with stainless steel rings and balls, ensuring smooth operation at high speeds.
Its shielded design protects against contaminants, maintaining performance in various environments.
The dynamic radial load capacity of 161 lbf allows for reliable use in radial load applications.
With a maximum speed of 45,000 rpm, it is ideal for high-speed machinery.
W 638/8 R-2Z Bearing’s compact size and lightweight design make it easy to install and integrate.
The grease lubrication ensures long-lasting performance with minimal maintenance.
The flange outer dia of 18 mm provides additional stability, preventing misalignment during operation.
Its temperature range of -30° to 120 °C ensures adaptability in diverse working conditions.
Practical Applications of W 638/8 R-2Z Bearing
W 638/8 R-2Z Bearing is commonly used in small electric motors, such as those found in household appliances like blenders or fans. Its compact size and shielded design help keep dust out while maintaining smooth rotation.
In automation systems, W 638/8 R-2Z Bearing fits well in compact robotic joints or conveyor guides where space is limited. The stainless steel construction ensures reliable performance even in humid or washdown environments.
For medical devices, W 638/8 R-2Z Bearing works nicely in small imaging equipment or dental tools where precision and corrosion resistance matter. The flange provides extra stability during high-speed operation.
You’ll also spot W 638/8 R-2Z Bearing in office equipment like printers, where its low-noise operation keeps things running quietly. The grease lubrication means it requires minimal maintenance over time.
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