This low-cost ceramic bearing 40x20mm fan is superior to the conventional ball bearing and economical sleeve bearing types of fans. While the average life span of a ball bearing fan is 50,000 Hr a ceramic equivalent model has a 300,000 Hr life expectancy and at a lower cost! So you can save money with the confidence of a reliable product.

Ceramic bearings run more smoothly and quieter than their steel equivalents. They also have a better life expectancy by a factor of six!