Premium Quality: The High Speed Blower Bearing 693ZZ is designed for superior performance, ensuring smooth operation and for your computer fans and other applications. Compact Size: Measuring at 3x8x4mm, this High Speed Blower Bearing is perfect for tight spaces, making it an ideal choice for electronic devices including computer fans. Enhanced Efficiency: With its high-speed capability, the High Speed Blower Bearing 693ZZ reduces friction and heat buildup, resulting in increased efficiency for your cooling systems. Versatile Applications: This Computer Fan Ball Bearing is not only suitable for blower applications but also versatile enough for use in other small motors and machinery requiring reliable bearings. Easy Installation: The user-friendly design of the High Speed Blower Bearing 3x8x4mm allows for quick and hassle-free installation, making it a convenient option for DIY enthusiasts and professionals alike. Colour:Silver Material:Bearing steel Package Contents: 20PCS x Hair dryer bearing Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.