6321ZZC3BXMS Nachi Bearing 105mm x 225mm x 49mm Made in Japan 6321ZZC3BXMS Nachi Bearing, the 6321ZZC3BXMS inner diameter is 105mm, the 6321ZZC3BXMS outer diameter is 225mm, 6321ZZC3BXMS width is 49mm.