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missing normal displacement node C4dtoA.
i did a texture set with mixer, as you can see in the viewport of mixer i can see the bump/displacement....but not in arnold...
Your material looks correct. Make sure the color space of the normal texture is set to 'linear' or '<disabled>'. Maybe you have to change the Strength in the normal map shader. Hard to tell. If it's not working, feel free to share your scene, so I can take a look.