HIGH QUALITY - These miniature bearings are made of high quality steel for low noise and long service life,and they are double rubber sealed to avoid contaminants entering and save lubricant.
SIZE - Bearings have a 3mm inner diameter, a 10mm outer diameter, and a 4mm thickness.
WIDE RANGE OF APPLICATION - These are great for 3mm shaft/rod projects such as mechanical equipment,electrical instruments, toys.
WIDE TEMPERATURE RANGE - 20 to 120.
GUARANTEE - We are confident the quality of our product is 100% qualified. If there is any question, feel to contact us. We will offer the best service for you.