NN3013M2KC1NA P4 Nachi Cylindrical Roller Bearing Bronze Cage : Tapered Bore 65mm x 100mm x 26mm Made in Japan NN3013M2KC1NA P4 Nachi Cylindrical Roller Bearings, Steel Cage, Made in Japan, the NN3013M2KC1NA P4 inner diameter is 65mm, the NN3013M2KC1NA P4 outer diameter is 100mm, NN3013M2KC1NA P4 width is 26mm.