Varieties of models from 3200 (5200) -3224 (5224), 3300 (5300) -3324 (5324) -3820,3900-3920,3800-3020,3000-4220,4300 Model 4200 -4316. Double row structure separate, closed (2RS, ZZ) and the ball gap, without filling slots and other forms. Used a nylon cage protection, crown-shaped steel protection, S-shaped iron and copper insurance and other insurance. Product accuracy class; P6, P5, P4. Products widely used in high precision machine tools, pumps, oil pump, auto air conditioning, textile machinery, gear, grinder and other precision machinery.
