1.low cost,low price,good quality bearing 2.high precision,long life 3.low frictional,high speeds 4.single and ... Machines, Running Machines (Treadmills), Household Appliances, Water Pumps, Agricultural Machines, Precision Machineries, etc.8. Develop nonstandard types according to customers requirement ... . Packing: plastic tube packing or individual box packing DEEP GROOVE BALL BEARINGS