NN3032M2KC1NA P4 Nachi Cylindrical Roller Bearing Bronze Cage : Tapered Bore 160mm x 240mm x 60mm Made in Japan NN3032M2KC1NA P4 Nachi Cylindrical Roller Bearings, Steel Cage, Made in Japan, the NN3032M2KC1NA P4 inner diameter is 160mm, the NN3032M2KC1NA P4 outer diameter is 240mm, NN3032M2KC1NA P4 width is 60mm.