rs:2.1,r1s:2.1
轴承nj2240、nup2238rc3fy轴承、轴承65bnr20xv1v、nj2206et轴承、nu2340em轴承、nj2309rc3fy轴承、n206e.tvp2、轴承nnu4921k、nu2340轴承、nj332em、50ber29hv1v轴承、nu208ew轴承、nup218e轴承、nj1060轴承、nj421m
rs:2.1,r1s:2.1
nn3034轴承、nj238e.m1、轴承nu1034c3fy、nj232rc3fy轴承、轴承nn3011kwc1nafwp4、nj2307e轴承、nn4934轴承、nn3080kwc1nafwp4、nj2218轴承、nu328、轴承hj2204e、nup310轴承、nu232轴承、nu409、nup2218轴承
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