NN3012M2KC1NA P4 Nachi Cylindrical Roller Bearing Bronze Cage : Tapered Bore 60mm x 95mm x 26mm Made in Japan NN3012M2KC1NA P4 Nachi Cylindrical Roller Bearings, Steel Cage, Made in Japan, the NN3012M2KC1NA P4 inner diameter is 60mm, the NN3012M2KC1NA P4 outer diameter is 95mm, NN3012M2KC1NA P4 width is 26mm.