... 3. OEM service 4. ISO9001:2000 high quality large stock SKF roller bearings 1. Bearing Types: Tapered roller bearings, spherical roller bearings, self-aligning ball bearings, cylindrical ... instructing, etc....,industry.Series22200,22300,23100,23200,23000variant structure: K,/W33,K/W33PrecisionABEC-1,ABEC-3MaterialsCarbon steel, chrome steel (GCR-15 ...