6204-2NSE Nachi Bearings 20mm x 47mm x 14mm Made in Japan 6204-2NSE Nachi Bearing, Made in Japan, here are the dimensions of the 6204-2NSE, the 6204-2NSE inner diameter is 20mm, the 6204-2NSE outer diameter is 47mm, 6204-2NSE width is 14mm.