6906-2NSE9C3 Nachi Bearing 30mm x 47mm x 9mm Made in Japan 6906-2NSE9C3 Nachi Bearing, Made in Japan, the 6906-2NSE9C3 inner diameter is 30mm, the 6906-2NSE9C3 outer diameter is 47mm, 6906-2NSE9C3 width is 9mm.