NN3017M2KC1NA P4 Nachi Cylindrical Roller Bearing Bronze Cage : Tapered Bore 85mm x 130mm x 34mm Made in Japan NN3017M2KC1NA P4 Nachi Cylindrical Roller Bearings, Steel Cage, Made in Japan, the NN3017M2KC1NA P4 inner diameter is 85mm, the NN3017M2KC1NA P4 outer diameter is 130mm, NN3017M2KC1NA P4 width is 34mm.