# Need a quick answer. z axis bearing part#?

**URL:** <https://community.inventables.com/t/need-a-quick-answer-z-axis-bearing-part/22828>\
**Category:** Parts & Files\
**Created:** [April 23, 2016, 1:00am UTC](https://community.inventables.com/t/need-a-quick-answer-z-axis-bearing-part/22828 "2016-04-23T01:00:09Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![JamesMccarty](https://avatars.discourse-cdn.com/v4/letter/j/ecc23a/32.png) [@JamesMccarty](https://community.inventables.com/u/JamesMccarty)\
**Post date:** [April 23, 2016, 1:00am UTC](https://community.inventables.com/t/need-a-quick-answer-z-axis-bearing-part/22828/1 "2016-04-23T01:00:09Z")

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The bearing for the acme rod on the z axis is warn out. I am not sure which one to order. could someone point me in the right direction.

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**Author:** ![GeoffSteer](https://avatars.discourse-cdn.com/v4/letter/g/7c8e57/32.png) [@GeoffSteer](https://community.inventables.com/u/GeoffSteer)\
**Post date:** [April 23, 2016, 1:45am UTC](https://community.inventables.com/t/need-a-quick-answer-z-axis-bearing-part/22828/3 "2016-04-23T01:45:26Z")

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The only flanged bearing mentioned in the X-Carve assembly instructions is **30169-01Flanged Bearing 8mm**

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**Author:** ![KamilSteglinski](https://yyz1.discourse-cdn.com/flex009/user_avatar/community.inventables.com/kamilsteglinski/32/74557_2.png) [@KamilSteglinski](https://community.inventables.com/u/KamilSteglinski)\
**Post date:** [April 23, 2016, 5:38pm UTC](https://community.inventables.com/t/need-a-quick-answer-z-axis-bearing-part/22828/4 "2016-04-23T17:38:02Z")

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F608 ZZ has metal shields  
A F608-2RS would have 2 rubber seals. Might be better for keeping dust out.