Premium-grade upper fuser roller bearing designed exclusively for Konica Minolta bizhub C224/C284/C364/C454 series and their "e" variants. Precision-engineered with high-temperature resistant alloy core and ceramic-coated surface for extended lifespan under heavy-duty printing cycles. Seamless compatibility ensures exact OEM performance for toner adhesion and paper feeding. Ideal replacement part for high-volume office copiers, commercial print shops, and enterprise document centers. Manufactured with Japanese-grade steel bearings for silent operation at speeds up to 45ppm. Direct thermal conductivity optimization prevents paper jams during continuous duplex printing. Rigorously tested to withstand 500,000+ rotations with <0.01mm deviation. Cost-effective bulk solution for MSPs and IT service providers maintaining fleets of bizhub devices. Ships in anti-static packaging with installation alignment guides.