# Concave bearing with a hole center-punched into the side- other than Dif ceramic

**URL:** https://forums.yoyoexpert.com/t/concave-bearing-with-a-hole-center-punched-into-the-side-other-than-dif-ceramic/79475
**Category:** General Yo-Yo
**Created:** [February 29, 2016, 4:58pm UTC](https://forums.yoyoexpert.com/t/concave-bearing-with-a-hole-center-punched-into-the-side-other-than-dif-ceramic/79475 "2016-02-29T16:58:01Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![larryg51](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/larryg51/32/555_2.png) [@larryg51](https://forums.yoyoexpert.com/u/larryg51)
#### Post date: [February 29, 2016, 4:58pm UTC](https://forums.yoyoexpert.com/t/concave-bearing-with-a-hole-center-punched-into-the-side-other-than-dif-ceramic/79475/1 "2016-02-29T16:58:01Z")

</div>

Is anybody aware of any concave bearings having a tiny hole center-punched into the side of them, the exact same way that the ceramic Dif-e-yo KKs do? I would appreciate hearing from you, if you have seen this elsewhere. Thank you.