The 6201ZZ bearing is a Deep groove ball bearings 60/62/63 series with an inner diameter of 12 mm , an outer diameter of 32 mm, a width of 10 mm. It typically uses ABEC1 ABEC3 ABEC5 grade precision tolerances and 6201 OPEN 6201ZZ 6201-2RS 6201-2RZ type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.