{"id":918,"date":"2026-09-10T04:02:02","date_gmt":"2026-09-10T04:02:02","guid":{"rendered":"https:\/\/nm-coupling.net\/blog\/custom-nm-coupling-bore-keyway-quote\/"},"modified":"2026-09-10T06:14:07","modified_gmt":"2026-09-10T06:14:07","slug":"custom-nm-coupling-bore-keyway-quote","status":"publish","type":"ep_nm_article","link":"https:\/\/nm-coupling.net\/ko\/blog\/custom-nm-coupling-bore-keyway-quote\/","title":{"rendered":"What to Send for a Custom NM Coupling Bore and Keyway Quote"},"content":{"rendered":"<p>\u201cBore to suit motor\u201d is not enough information for a coupling order. The coupling connects two shafts, and they are often different. A useful RFQ names the driving side and driven side separately.<\/p>\n<h2>Give the shaft diameter exactly.<\/h2>\n<p>Keep the dimension in the unit used on the machine drawing. If the shaft is 1.375 in, do not round it to a convenient metric size before sending the enquiry. State the keyway and any fit\/tolerance requirement that the drawing controls.<\/p>\n<h2>Check the selected model\u2019s d max.<\/h2>\n<p>The specified maximum bore is a screening value. A request below d max can still need review for hub section, keyway and duty. If the shaft forces a larger model, confirm the new D and L dimensions fit the machine.<\/p>\n<p><a class=\"ep-text-link\" href=\"https:\/\/nm-coupling.net\/ko\/technical-guides\/bore-keyway-guide\/\">Open the bore and keyway guide \u2192<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\uba85\ud655\ud55c \uacac\uc801 \uc694\uccad\uc11c(RFQ)\uc5d0\ub294 \ub450 \ucd95\uc758 \uba85\uce6d\uc774 \uac01\uac01 \ubcc4\ub3c4\ub85c \uba85\uc2dc\ub418\uc5b4 \uc788\uc73c\uba70, \ud0a4\ud648, \ubaa8\ub378, \uc218\ub7c9 \ubc0f \ub3c4\uba74 \uad00\ub9ac \uacf5\ucc28\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>","protected":false},"featured_media":0,"template":"","class_list":["post-918","ep_nm_article","type-ep_nm_article","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nm-coupling.net\/ko\/wp-json\/wp\/v2\/ep_nm_article\/918","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nm-coupling.net\/ko\/wp-json\/wp\/v2\/ep_nm_article"}],"about":[{"href":"https:\/\/nm-coupling.net\/ko\/wp-json\/wp\/v2\/types\/ep_nm_article"}],"wp:attachment":[{"href":"https:\/\/nm-coupling.net\/ko\/wp-json\/wp\/v2\/media?parent=918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}