【Good Sealing】Rubber gaskets have a good seal on both sides of the bearing, they prevent lubricant from entering and getting contaminated. 【Quality Steel】The deep groove ball bearing is made of high quality steel, wear and collision resistant, low noise and long service life. 【Has Many Uses】With the standardizing size, the ball bearing is widely used for machine tools, electronic equipment, pump industry, plastic machinery, motors, etc. 【Huge Quantity Of】There are a total of 10 pieces of miniature bearings that you can use for many different projects. 【After-sales Service】We strive to provide quality and convenient service for you, you are welcome to contact us if you have any problem with our product, we will give you a satisfactory answer., Weight: 0.0330693393 pounds, Manufacturer: Hyuduo