# Plastic Cage bearing

**URL:** <https://forums.yoyoexpert.com/t/plastic-cage-bearing/2408>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [May 16, 2009, 2:20pm UTC](https://forums.yoyoexpert.com/t/plastic-cage-bearing/2408 "2009-05-16T14:20:15Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![rsmod123](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/rsmod123/32/46_2.png) [@rsmod123](https://forums.yoyoexpert.com/u/rsmod123)\
**Post date:** [May 16, 2009, 2:20pm UTC](https://forums.yoyoexpert.com/t/plastic-cage-bearing/2408/1 "2009-05-16T14:20:15Z")

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lol I heard somewhere about hspin’s plastic caged ball bearings? Can someone elaborate about them? And can someone explain why it would be smoother than other bearings? I thought the plastic would melt due to the friction ??? Thanks!

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**Author:** ![Pheenix](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/pheenix/32/65_2.png) [@Pheenix](https://forums.yoyoexpert.com/u/Pheenix)\
**Post date:** [May 16, 2009, 2:31pm UTC](https://forums.yoyoexpert.com/t/plastic-cage-bearing/2408/2 "2009-05-16T14:31:56Z")

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> [@](#):
>
> Our bearing supplier showed me a different kind of bearing. I am sure it’s not completely new in the market and someone must have been using something similar: precision stainless steel bearings with a plastic cage.  
> Why is there an advantage here: There are the following types of friction applying:  
> “Rolling friction” between the races and the balls: For this, steel on steel is ideal to avoid microscopic deformation of the material.  
> “Stiction” between the bearing cage and the bearings (and the races): For this, plastic on steel is much better as they glide very smoothly.  
> That’s why. So I’m experimenting with the bearings. This could be the longest spinning non-ceramic bearing.

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**Author:** ![rsmod123](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/rsmod123/32/46_2.png) [@rsmod123](https://forums.yoyoexpert.com/u/rsmod123)\
**Post date:** [May 16, 2009, 3:08pm UTC](https://forums.yoyoexpert.com/t/plastic-cage-bearing/2408/3 "2009-05-16T15:08:55Z")

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Oh thanks pheenix, but will the plastic melt?

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**Author:** ![Pheenix](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/pheenix/32/65_2.png) [@Pheenix](https://forums.yoyoexpert.com/u/Pheenix)\
**Post date:** [May 16, 2009, 3:14pm UTC](https://forums.yoyoexpert.com/t/plastic-cage-bearing/2408/4 "2009-05-16T15:14:15Z")

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> [@rsmod123](#):
>
> Oh thanks pheenix, but will the plastic melt?

To be honest… I have no idea. It should melt in regular mineral spirits. But again, I’m not completely sure of this. Why don’t you just contact HSpin about this: [http://www.hspin.com/webpage/?q=contact](http://www.hspin.com/webpage/?q=contact)