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Ⅱ227 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d1L1L2L3L4d2d3DnALLdGPR1202RC3T-22012210014058022010.51425452919GPR1202RC3T-370250290370GPR1202RC3T-520400440520GTR1204EC3T-2401241001605802409.71430503626GTR1204EC3T-390250310390GTR1204EC3T-540400460540GTR1205EC3T-2401251001605802409.71430504030GTR1205EC3T-440300360440GTR1205EC3T-640500560640GTR1210EC3T-26012101001807802609.91430505040GTR1210EC3T-460300380460GTR1210EC3T-660500580660GTR1220AC3T-370122020029010803709.91430506250GTR1220AC3T-570400490570GTR1220AC3T-770600690770φDnφd1φd2L2L3L1(焼入範囲)L4φd3C0.5LdBL2-ワイパーシールC0.5