6315-2NSE9NR Nachi Bearing With Snap Ring (C clip) 75mm x 160mm x 37mm Made in Japan 6315-2NSE9NR Nachi Bearing with a Snap Ring, the 6315-2NSE9NR inner diameter is 75mm, the 6315-2NSE9NR outer diameter is 160mm, 6315-2NSE9NR width is 37mm.