CONSTANT VELOCITY UNIVERSAL JOINT

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There is provided a constant velocity universal joint having excellent durability at high temperature while using a boot made of silicone rubber that does not include cerium oxide or other rare earth element-containing compound. The constant velocity universal joint is provided with an outer joint member (2), an inner joint member (4), a shaft (8) coupled to the inner joint member (4), and a boot (9) mounted directly or via another member to the outer joint member (2) and the shaft (8), the boot (9) being a molded article of a silicone rubber composition including silicone rubber, iron oxide, and titanium oxide and not including a rare earth element-containing compound. The silicone rubber composition furthermore includes barium zirconate as required.