{"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\/kk\/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\/kk\/technical-guides\/bore-keyway-guide\/\">Open the bore and keyway guide \u2192<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0422\u0430\u0437\u0430 \u04b1\u04a3\u0493\u044b\u043b\u044b RFQ \u0435\u043a\u0456 \u0431\u0456\u043b\u0456\u043a\u0442\u0456 \u0434\u0435 \u0431\u04e9\u043b\u0435\u043a \u0430\u0442\u0430\u0439\u0434\u044b \u0436\u04d9\u043d\u0435 \u043a\u0456\u043b\u0442 \u0436\u043e\u043b\u0434\u0430\u0440\u044b\u043d, \u04af\u043b\u0433\u0456\u043d\u0456, \u043c\u04e9\u043b\u0448\u0435\u0440\u0434\u0456 \u0436\u04d9\u043d\u0435 \u0441\u044b\u0437\u0431\u0430\u043c\u0435\u043d \u0431\u0430\u0441\u049b\u0430\u0440\u044b\u043b\u0430\u0442\u044b\u043d \u0442\u04e9\u0437\u0456\u043c\u0434\u0456\u043b\u0456\u043a\u0442\u0435\u0440\u0434\u0456 \u049b\u0430\u043c\u0442\u0438\u0434\u044b.<\/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\/kk\/wp-json\/wp\/v2\/ep_nm_article\/918","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nm-coupling.net\/kk\/wp-json\/wp\/v2\/ep_nm_article"}],"about":[{"href":"https:\/\/nm-coupling.net\/kk\/wp-json\/wp\/v2\/types\/ep_nm_article"}],"wp:attachment":[{"href":"https:\/\/nm-coupling.net\/kk\/wp-json\/wp\/v2\/media?parent=918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}