deep groove ball bearing 1 low vibration value,durable in remaining mute 2 precision value above P5 grade Single row deep groove ball ... no abnormal sound and noise3 durable in remaining mute4 precision value above P5 grade5 lower rotaional torque6 fit high-temperature,low ... to:Washing machine,range hood,air conditioner,massager,laser printer,bill counter,automobile windshield wiper,cooling fan,etc.