NN3030M2KC1NA P5 Nachi Cylindrical Roller Bearing Bronze Cage : Tapered Bore 150mm x 225mm x 56mm Made in Japan NN3030M2KC1NA P5 Nachi Cylindrical Roller Bearings Steel Cage Made in Japan the NN3030M2KC1NA P5 inner diameter is 150mm the NN3030M2KC1NA P5 outer diameter is 225mm NN3030M2KC1NA P5 width is 56mm