# hubstack bearing size

**URL:** <https://forums.yoyoexpert.com/t/hubstack-bearing-size/20315>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [October 24, 2010, 7:28pm UTC](https://forums.yoyoexpert.com/t/hubstack-bearing-size/20315 "2010-10-24T19:28:45Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![AwEsOmEnEsS](https://avatars.discourse-cdn.com/v4/letter/a/f6c823/32.png) [@AwEsOmEnEsS](https://forums.yoyoexpert.com/u/AwEsOmEnEsS)\
**Post date:** [October 24, 2010, 7:28pm UTC](https://forums.yoyoexpert.com/t/hubstack-bearing-size/20315/1 "2010-10-24T19:28:45Z")

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wht is the bearing size for a yyf hubsatck?  
size a right?

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**Author:** ![titanium221](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/titanium221/32/174_2.png) [@titanium221](https://forums.yoyoexpert.com/u/titanium221)\
**Post date:** [October 24, 2010, 7:33pm UTC](https://forums.yoyoexpert.com/t/hubstack-bearing-size/20315/2 "2010-10-24T19:33:44Z")

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all hubstacks take A bearings, but Jimmy hats use C I believe.

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**Author:** ![Apetrunk](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/apetrunk/32/148_2.png) [@Apetrunk](https://forums.yoyoexpert.com/u/Apetrunk)\
**Post date:** [October 24, 2010, 8:55pm UTC](https://forums.yoyoexpert.com/t/hubstack-bearing-size/20315/3 "2010-10-24T20:55:19Z")

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> [@titanium221](#):
>
> all hubstacks take A bearings, but Jimmy hats use C I believe.

Not sure about the Jimmy Hats, but you mean all YYF yoyos use size A for hubstacks.