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Iibheli zeRoller ezingqukuva: Ukhetho lwezicwangciso zokusebenza kweTyibhile yeMixholo. Izibonelelo ze-Spherical Roller 3. Izibonelelo zeBherical Roller Bearings kwimigodi 4. Izicelo ze-Spherical Roller Bearing kwimisebenzi yemigodi