6000-2NKE9 Nachi Two Non-Contact Seals Ball Bearing 10mm x 26mm x 8mm Made in Japan 6000-2NKE9 Nachi Two Non-Contact Seals Ball Bearing, the 6000-2NKE9 inner diameter is 10mm, the 6000-2NKE9 outer diameter is 26mm, the 6000-2NKE9 width is 8mm, Made in Japan.