6207-2NKE9 Nachi Two Non-Contact Seals Ball Bearing 35mm x 72mm x 17mm Made in Japan 6207-2NKE9 Nachi Two Non-Contact Seals Ball Bearing, the 6207-2NKE9 inner diameter is 35mm, the 6207-2NKE9 outer diameter is 72mm, the 6207-2NKE9 width is 17mm, Made in Japan.