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Sit-on-top lawn mower. Zero-turn radius mower, 50" mower deck, hydro transmission.

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Why is my arbor over heating and making a noise

When I engage my blades the center arbor makes a loud noise and will start to smoke? I greased it but the problem hasn't stopped.

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@stokes81 sounds like a bad bearing. If it is bad, grease alone is not going to fix it. #9 and #13 in the attached image are my prime suspects.

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That is Sears part number Part #: 7013313SM and for #13 Part #: 1705897SM respectively

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Ryan stokes will be eternally grateful.
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