NK16/16R+1R12X16X16 日本NTN高精度轴承 NK16/16R+1R12X16X16尺寸参数

NK16/16R+1R12X16X16 日本NTN高精度轴承 NK16/16R+1R12X16X16尺寸参数

NK16/16R+1R12X16X16尺寸参数,NK16/16R+1R12X16X16尺寸

4T-JLM714149货期价格