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Ⅱ223 標準精密ボールねじ軸端未加工品 呼び番号軸径リードストロークねじ軸寸法d1L1L2L3L4d2d3DnALGPR0801RC3T-1508150903601507.210163220GPR0801RC3T-220120160220GPR0801RC3T-300200240300GPR0802RC3T-16082501003601606.510204025GPR0802RC3T-230120170230GPR0802RC3T-310200250310GTR0805EC3T-18085601205601806.110244437GTR0805EC3T-240120180240GTR0805EC3T-300180240300GTR0808AC3T-20088601308702006.110244436GTR0808AC3T-260120190260GTR0808AC3T-320180250320φDnφd1φd2L2L3L1(焼入範囲)L4φd3C0.5LdBL2-ワイパーシールC0.5