... groove ball bearing: Low friction torque & low noise Excelient sealed grease lubrication Series:6000,6200,6300,6400 Deep groove ball bearings ... for precision instruments, low noise motors, automobiles, motorcycles, and other common machinery, as a widely used type of bearing ... .30079.700400034002.0500Notes: The company can produce Deep Groove Ball Bearings which are open-formula, which ...