{"id":900,"date":"2026-09-04T10:09:40","date_gmt":"2026-09-04T10:09:40","guid":{"rendered":"https:\/\/nmcoupling.net\/how-to-choose-nm-coupling-for-air-compressor\/"},"modified":"2026-09-04T10:09:40","modified_gmt":"2026-09-04T10:09:40","slug":"how-to-choose-nm-coupling-for-air-compressor","status":"publish","type":"post","link":"https:\/\/nmcoupling.net\/kk\/how-to-choose-nm-coupling-for-air-compressor\/","title":{"rendered":"How To Choose An NM Coupling For An Air Compressor"},"content":{"rendered":"<h1>How To Choose An NM Coupling For An Air Compressor<\/h1>\n<p>Air compressor coupling selection starts with the drive data, not with coupling diameter. Confirm motor power and speed or transmitted torque, both shaft diameters, start\/stop frequency, duty cycle and the environment around the drive.<\/p>\n<figure class=\"nmc-post-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-nm-coupling-application-air-compressor.webp\" alt=\"Air compressor with coupling location\"><figcaption>Air compressor with coupling location<\/figcaption><\/figure>\n<h2>Start With Torque And Speed<\/h2>\n<p>Use the motor power and operating speed to establish the steady torque, then account for the real start-up and transient behavior of the compressor. The selected coupling should be reviewed against the applicable normal and transient load basis rather than assuming that a \u201cmaximum\u201d table value is a continuous rating.<\/p>\n<h2>Check Both Shaft Sizes<\/h2>\n<p>Compare the driver and driven shaft diameters with the candidate model bore range. A larger coupling may be necessary because of shaft size even when the torque is modest. Provide keyway details and any shoulder or hub-length limits.<\/p>\n<figure class=\"nmc-content-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-nm-coupling-sizes.webp\" alt=\"NM coupling dimension reference\" loading=\"lazy\"><figcaption>NM coupling dimension reference<\/figcaption><\/figure>\n<h2>Review The Environment<\/h2>\n<p>State temperature, oil exposure, contamination, ventilation and maintenance access. The exact flexible-element compound should be confirmed for the service environment rather than guessed from appearance.<\/p>\n<h2>Alignment And Installation<\/h2>\n<p>Align the shafts before installing the flexible element. Verify hub spacing and fastening, then inspect for abnormal noise, heat or repeated wear after commissioning.<\/p>\n<figure class=\"nmc-content-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-nm-coupling-install.webp\" alt=\"NM \u043c\u0443\u0444\u0442\u0430\u0441\u044b\u043d \u043e\u0440\u043d\u0430\u0442\u0443 \u0440\u0435\u0442\u0442\u0456\u043b\u0456\u0433\u0456\" loading=\"lazy\"><figcaption>NM \u043c\u0443\u0444\u0442\u0430\u0441\u044b\u043d \u043e\u0440\u043d\u0430\u0442\u0443 \u0440\u0435\u0442\u0442\u0456\u043b\u0456\u0433\u0456<\/figcaption><\/figure>\n<h2>Model Comparison<\/h2>\n<div class=\"nmc-product-grid\"><article class=\"nmc-product-card\" data-title=\"nm 50 flexible jaw coupling\" data-rpm=\"12500\" data-boremax=\"19\" data-torque=\"1.3\"><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-50-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-Couplings.webp\" alt=\"NM 50 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b \u0441\u0435\u0440\u0438\u044f\u0441\u044b\u043d\u044b\u04a3 \u0438\u043b\u043b\u044e\u0441\u0442\u0440\u0430\u0446\u0438\u044f\u0441\u044b\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-50-coupling\/\">NM 50 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b<\/a><\/h3><div class=\"nmc-spec-chips\"><span>7-19 \u043c\u043c \u0442\u0435\u0441\u0456\u043a<\/span><span>\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u0434\u044b 12500 \u0430\u0439\u043d\/\u043c\u0438\u043d<\/span><span>\u049a\u0430\u043b\u044b\u043f\u0442\u044b 1,3 \u043a\u0433*\u043c<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-50-coupling\/\">\u0422\u043e\u043b\u044b\u049b \u0430\u049b\u043f\u0430\u0440\u0430\u0442\u0442\u044b \u049b\u0430\u0440\u0430\u0443<\/a><\/div><\/article><article class=\"nmc-product-card\" data-title=\"nm 67 flexible jaw coupling\" data-rpm=\"10000\" data-boremax=\"28\" data-torque=\"2.2\"><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-67-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-Couplings-2.webp\" alt=\"NM 67 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b \u0441\u0435\u0440\u0438\u044f\u0441\u044b\u043d\u044b\u04a3 \u0438\u043b\u043b\u044e\u0441\u0442\u0440\u0430\u0446\u0438\u044f\u0441\u044b\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-67-coupling\/\">NM 67 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b<\/a><\/h3><div class=\"nmc-spec-chips\"><span>8-28 \u043c\u043c \u0442\u0435\u0441\u0456\u043a<\/span><span>\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u0434\u044b 10000 \u0430\u0439\u043d\/\u043c\u0438\u043d<\/span><span>\u049a\u0430\u043b\u044b\u043f\u0442\u044b 2,2 \u043a\u0433*\u043c<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-67-coupling\/\">\u0422\u043e\u043b\u044b\u049b \u0430\u049b\u043f\u0430\u0440\u0430\u0442\u0442\u044b \u049b\u0430\u0440\u0430\u0443<\/a><\/div><\/article><article class=\"nmc-product-card\" data-title=\"nm 82 flexible jaw coupling\" data-rpm=\"8000\" data-boremax=\"32\" data-torque=\"5.0\"><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-82-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-coupling.webp\" alt=\"NM 82 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b \u0441\u0435\u0440\u0438\u044f\u0441\u044b\u043d\u044b\u04a3 \u0438\u043b\u043b\u044e\u0441\u0442\u0440\u0430\u0446\u0438\u044f\u0441\u044b\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-82-coupling\/\">NM 82 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b<\/a><\/h3><div class=\"nmc-spec-chips\"><span>10-32 \u043c\u043c \u0442\u0435\u0441\u0456\u043a<\/span><span>\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u0434\u044b 8000 \u0430\u0439\u043d\/\u043c\u0438\u043d<\/span><span>\u049a\u0430\u043b\u044b\u043f\u0442\u044b 5,0 \u043a\u0433*\u043c<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-82-coupling\/\">\u0422\u043e\u043b\u044b\u049b \u0430\u049b\u043f\u0430\u0440\u0430\u0442\u0442\u044b \u049b\u0430\u0440\u0430\u0443<\/a><\/div><\/article><article class=\"nmc-product-card\" data-title=\"nm 97 flexible jaw coupling\" data-rpm=\"7000\" data-boremax=\"42\" data-torque=\"10.5\"><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-97-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-Couplings.webp\" alt=\"NM 97 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b \u0441\u0435\u0440\u0438\u044f\u0441\u044b\u043d\u044b\u04a3 \u0438\u043b\u043b\u044e\u0441\u0442\u0440\u0430\u0446\u0438\u044f\u0441\u044b\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-97-coupling\/\">NM 97 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b<\/a><\/h3><div class=\"nmc-spec-chips\"><span>10-42 \u043c\u043c \u0442\u0435\u0441\u0456\u043a<\/span><span>\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u0434\u044b 7000 \u0430\u0439\u043d\/\u043c\u0438\u043d<\/span><span>\u049a\u0430\u043b\u044b\u043f\u0442\u044b 10,5 \u043a\u0433*\u043c<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-97-coupling\/\">\u0422\u043e\u043b\u044b\u049b \u0430\u049b\u043f\u0430\u0440\u0430\u0442\u0442\u044b \u049b\u0430\u0440\u0430\u0443<\/a><\/div><\/article><article class=\"nmc-product-card\" data-title=\"nm 112 flexible jaw coupling\" data-rpm=\"6000\" data-boremax=\"48\" data-torque=\"16.7\"><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-112-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-Couplings-2.webp\" alt=\"NM 112 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b \u0441\u0435\u0440\u0438\u044f\u0441\u044b\u043d\u044b\u04a3 \u0438\u043b\u043b\u044e\u0441\u0442\u0440\u0430\u0446\u0438\u044f\u0441\u044b\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-112-coupling\/\">NM 112 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b<\/a><\/h3><div class=\"nmc-spec-chips\"><span>14-48 \u043c\u043c \u0442\u0435\u0441\u0456\u043a<\/span><span>\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u0434\u044b 6000 \u0430\u0439\u043d\/\u043c\u0438\u043d<\/span><span>\u049a\u0430\u043b\u044b\u043f\u0442\u044b 16,7 \u043a\u0433*\u043c<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-112-coupling\/\">\u0422\u043e\u043b\u044b\u049b \u0430\u049b\u043f\u0430\u0440\u0430\u0442\u0442\u044b \u049b\u0430\u0440\u0430\u0443<\/a><\/div><\/article><article class=\"nmc-product-card\" data-title=\"nm 128 flexible jaw coupling\" data-rpm=\"5000\" data-boremax=\"55\" data-torque=\"26.7\"><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-128-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-coupling.webp\" alt=\"NM 128 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b \u0441\u0435\u0440\u0438\u044f\u0441\u044b\u043d\u044b\u04a3 \u0438\u043b\u043b\u044e\u0441\u0442\u0440\u0430\u0446\u0438\u044f\u0441\u044b\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-128-coupling\/\">NM 128 \u0438\u043a\u0435\u043c\u0434\u0456 \u0436\u0430\u049b \u043c\u0443\u0444\u0442\u0430\u0441\u044b<\/a><\/h3><div class=\"nmc-spec-chips\"><span>18-55 \u043c\u043c \u0442\u0435\u0441\u0456\u043a<\/span><span>\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u0434\u044b 5000 \u0430\u0439\u043d\/\u043c\u0438\u043d<\/span><span>\u049a\u0430\u043b\u044b\u043f\u0442\u044b \u0441\u0430\u043b\u043c\u0430\u0493\u044b 26,7 \u043a\u0433*\u043c<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/kk\/product\/nm-128-coupling\/\">\u0422\u043e\u043b\u044b\u049b \u0430\u049b\u043f\u0430\u0440\u0430\u0442\u0442\u044b \u049b\u0430\u0440\u0430\u0443<\/a><\/div><\/article><\/div>\n<figure class=\"nmc-content-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-Couplings-2.webp\" alt=\"NM flexible jaw coupling\" loading=\"lazy\"><figcaption>NM flexible jaw coupling<\/figcaption><\/figure>\n<h2>Key Takeaways<\/h2>\n<ul>\n<li>Torque, speed and both bores must all fit.<\/li>\n<li>Starting duty matters for compressor applications.<\/li>\n<li>Element specification depends on environment.<\/li>\n<li>Final bore\/keyway work should follow the approved drawing.<\/li>\n<\/ul>\n<p>\ud83d\udca1\u0416\u044b\u043b\u0434\u0430\u043c \u0442\u0430\u043f\u0441\u044b\u0440\u044b\u0441 \u0442\u0443\u0440\u0430\u043b\u044b \u0435\u0441\u043a\u0435 \u0441\u0430\u043b\u0443 \u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0442\u044b \u0431\u04e9\u043b\u0448\u0435\u043a\u0442\u0435\u0440\u0434\u0456\u04a3 \u0431\u0430\u0441\u0442\u0430\u043f\u049b\u044b MOQ \u0431\u0430\u0440. \u0416\u043e\u0493\u0430\u0440\u044b \u049b\u04b1\u043d\u0434\u044b \u0456\u0440\u0456 \u0431\u04b1\u0439\u044b\u043c\u0434\u0430\u0440 \u0442\u0430\u043f\u0441\u044b\u0440\u044b\u0441\u0442\u044b\u04a3 \u0436\u0430\u043b\u043f\u044b \u049b\u04b1\u043d\u044b\u043d\u0430 \u043d\u0435\u0433\u0456\u0437\u0434\u0435\u043b\u0433\u0435\u043d. \u0416\u0430\u04a3\u0430 \u043a\u043b\u0438\u0435\u043d\u0442\u0442\u0435\u0440 \u04af\u0448\u0456\u043d 1-5 \u0434\u0430\u043d\u0430 \u04af\u043b\u0433\u0456\u043b\u0435\u0440 \u04af\u043b\u0433\u0456 \u0431\u0430\u0493\u0430\u0441\u044b\u043c\u0435\u043d \u049b\u043e\u043b\u0436\u0435\u0442\u0456\u043c\u0434\u0456. \u0410\u0440\u0430\u043b\u0430\u0441 \u04af\u043b\u0433\u0456\u043b\u0435\u0440 1500 \u0410\u049a\u0428 \u0434\u043e\u043b\u043b\u0430\u0440\u044b\u043d\u0430 \u0436\u0435\u0442\u0435\u0434\u0456. \u0410\u0440\u043d\u0430\u0439\u044b \u04e9\u04a3\u0434\u0435\u0443 \u043f\u0440\u043e\u0446\u0435\u0441\u0456 \u043f\u0430\u0440\u0442\u0438\u044f \u043a\u04e9\u043b\u0435\u043c\u0456\u043c\u0435\u043d \u0448\u0435\u043a\u0442\u0435\u043b\u0435\u0434\u0456. 1-2 \u0434\u0430\u043d\u0430 \u0442\u0430\u043f\u0441\u044b\u0440\u044b\u0441\u0442\u0430\u0440\u0434\u044b\u04a3 \u049b\u04b1\u043d\u044b \u0436\u043e\u0493\u0430\u0440\u044b \u0431\u043e\u043b\u0430\u0434\u044b. \u0410\u0440\u043d\u0430\u0439\u044b \u0436\u0430\u0493\u0434\u0430\u0439\u0434\u0430\u0493\u044b \u0436\u043e\u0431\u0430\u043b\u0430\u0440\u0434\u044b \u0431\u0430\u0493\u0430\u043b\u0430\u0443\u0493\u0430 \u0431\u043e\u043b\u0430\u0434\u044b. \u0422\u0438\u0456\u043c\u0434\u0456 \u0431\u0430\u0493\u0430 \u0430\u043b\u0443 \u04af\u0448\u0456\u043d \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u0434\u044b\u049b \u043f\u043e\u0448\u0442\u0430\u04a3\u044b\u0437\u0434\u0430 \u043c\u044b\u043d\u0430\u043b\u0430\u0440\u0434\u044b \u043a\u04e9\u0440\u0441\u0435\u0442\u0456\u04a3\u0456\u0437: \u04e9\u043d\u0456\u043c \u043c\u043e\u0434\u0435\u043b\u0456, \u0441\u0430\u043b\u0430, \u049b\u043e\u043b\u0434\u0430\u043d\u0443 \u0436\u04d9\u043d\u0435 \u043d\u0435\u0433\u0456\u0437\u0433\u0456 \u0441\u0438\u043f\u0430\u0442\u0442\u0430\u043c\u0430\u043b\u0430\u0440.<\/p>","protected":false},"excerpt":{"rendered":"<p>A practical checklist for reviewing torque, speed, shaft sizes, starting load and environment before choosing an NM reference model.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-900","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nmcoupling.net\/kk\/wp-json\/wp\/v2\/posts\/900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmcoupling.net\/kk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nmcoupling.net\/kk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/kk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/kk\/wp-json\/wp\/v2\/comments?post=900"}],"version-history":[{"count":1,"href":"https:\/\/nmcoupling.net\/kk\/wp-json\/wp\/v2\/posts\/900\/revisions"}],"predecessor-version":[{"id":922,"href":"https:\/\/nmcoupling.net\/kk\/wp-json\/wp\/v2\/posts\/900\/revisions\/922"}],"wp:attachment":[{"href":"https:\/\/nmcoupling.net\/kk\/wp-json\/wp\/v2\/media?parent=900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nmcoupling.net\/kk\/wp-json\/wp\/v2\/categories?post=900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nmcoupling.net\/kk\/wp-json\/wp\/v2\/tags?post=900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}