Miniature ball bearings is one kind of deep groove ball bearing, usually we call deep groove ball bearings as small ball bearings when the inner diameter range from 1mm to 10mm. Lily bearing can supply all kinds of mini bearings with different material, including chrome steel, stainless steel and ceramic. Except normal miniature bearing, we also can manufacture miniature flange bearing, miniature thrust bearing, we accept custom bearing according to customer requirements as well.
Lily Bearing is one of the Chinese biggest mini bearing manufactures, and we have been in this fields for 15 years of many successful experiences.
Usually micro bearings we talk are radial deep groove ball bearings, they have the following features:
1, Seals form: open, metal shielded(zz), rubber seals(2rs).
2, Accuracy class: ABEC-1, ABEC-3, ABEC-5, ABEC-7, ABEC-9, precision mini bearing strart from ABEC-5, the higher number, the higher precision.
3, High speed: we can supply high speed bearings of the biggest speed 450,000rpm, they are used in spindle, dental handpiece etc. We also have low-speed bearings used in jewelry, robots industry.