{"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\/ar\/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\/ar\/technical-guides\/bore-keyway-guide\/\">Open the bore and keyway guide \u2192<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u064a\u062a\u0636\u0645\u0646 \u0637\u0644\u0628 \u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631 \u0627\u0644\u062a\u062c\u0648\u064a\u0641 \u0627\u0644\u0646\u0638\u064a\u0641 \u062a\u0633\u0645\u064a\u0629 \u0643\u0644\u0627 \u0627\u0644\u0639\u0645\u0648\u062f\u064a\u0646 \u0628\u0634\u0643\u0644 \u0645\u0646\u0641\u0635\u0644 \u0648\u064a\u062a\u0636\u0645\u0646 \u0645\u062c\u0627\u0631\u064a \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d \u0648\u0627\u0644\u0637\u0631\u0627\u0632 \u0648\u0627\u0644\u0643\u0645\u064a\u0629 \u0648\u0627\u0644\u062a\u0641\u0627\u0648\u062a\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u062a\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a\u0647\u0627 \u0628\u0648\u0627\u0633\u0637\u0629 \u0627\u0644\u0631\u0633\u0645.<\/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\/ar\/wp-json\/wp\/v2\/ep_nm_article\/918","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nm-coupling.net\/ar\/wp-json\/wp\/v2\/ep_nm_article"}],"about":[{"href":"https:\/\/nm-coupling.net\/ar\/wp-json\/wp\/v2\/types\/ep_nm_article"}],"wp:attachment":[{"href":"https:\/\/nm-coupling.net\/ar\/wp-json\/wp\/v2\/media?parent=918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}