32xxxPH-塑芯工业单轮（塑料罗那轴承）1KG=2.2LB1INCH=25.4MM32075PH75x2530124032085PH85x2530124532100PH100x3040156032125PH125x3740159032160PH160x40562013032200PH200x50562020032xxx-罗那轴承单轮1KG=2.2LB1INCH=25.4MM3207575x253012403208585x2530124532100100x3040156032125125x3740159032160160x40562013032200200x50562020032250250x50562525032xxxRB-滚珠轴承单轮1KG=2.2LB1INCH=25.4MM32160RB160x391517620311032200RB200x451825620518032250RB250x5018256205200)