NN3014M2KC1NA P4 Nachi Cylindrical Roller Bearing Bronze Cage : Tapered Bore 70mm x 110mm x 30mm Made in Japan NN3014M2KC1NA P4 Nachi Cylindrical Roller Bearings, Steel Cage, Made in Japan, the NN3014M2KC1NA P4 inner diameter is 70mm, the NN3014M2KC1NA P4 outer diameter is 110mm, NN3014M2KC1NA P4 width is 30mm.