At Boqiao Technology company, we are specialized in supplying ball bearing with Internal Dia 1mm to 20mm Radial Clearance abec-1 to abec-7 They can be classified into : Ball bearing (metric & inch series) Flange bearing (metric & inch series) Thrust ball bearing Material: Chrome steel Gcr15 Stainless steel 440C & 304 Supplying accessories to products like yoyo, electric motor, fishing tackle, household appliance and so on. Our extensive bearing inventory is complemented ...