NN3009M2KC1NA P5 Nachi Cylindrical Roller Bearing 45mm x 75mm x 23mm Bronze Cage : Tapered Bore Made in Japan NN3009M2KC1NA P5 Nachi Cylindrical Roller Bearings, Steel Cage, Made in Japan, the NN3009M2KC1NA P5 inner diameter is 45mm, the NN3009M2KC1NA P5 outer diameter is 75mm, NN3009M2KC1NA P5 width is 23mm.