NN3005M2KC1NA P4 Nachi Cylindrical Roller Bearing 25mm x 47mm x 16mm Bronze Cage : Tapered Bore Made in Japan NN3005M2KC1NA P4 Nachi Cylindrical Roller Bearings, Steel Cage, Made in Japan, the NN3005M2KC1NA P4 inner diameter is 25mm, the NN3005M2KC1NA P4 outer diameter is 47mm, NN3005M2KC1NA P4 width is 16mm.