{"id":1278,"date":"2026-09-10T06:38:41","date_gmt":"2026-09-10T06:38:41","guid":{"rendered":"https:\/\/nmcouplings.top\/how-to-select-an-nm-coupling\/"},"modified":"2026-09-10T06:38:41","modified_gmt":"2026-09-10T06:38:41","slug":"how-to-select-an-nm-coupling","status":"publish","type":"post","link":"https:\/\/nmcouplings.top\/id\/how-to-select-an-nm-coupling\/","title":{"rendered":"How to Select an NM Coupling"},"content":{"rendered":"<p>Start with the drive duty, not the outside diameter. The coupling has to accept the torque and speed while also fitting both shafts. A model that fits the bore but is wrong for the duty is not a sound selection; neither is a model with enough torque capacity but no room for the required finished bore.<\/p>\n<h2>A practical sequence<\/h2>\n<div class=\"ep-icon-grid\">\n<div class=\"ep-icon-card\"><span class=\"ep-icon-dot\" aria-hidden=\"true\">1<\/span><\/p>\n<h3>1. Define the duty<\/h3>\n<p>Identify the driver, driven equipment, operating speed and torque or motor data.<\/p>\n<\/div>\n<div class=\"ep-icon-card\"><span class=\"ep-icon-dot\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>2. Check both shafts<\/h3>\n<p>Confirm driver and driven shaft diameters, keyways and available space.<\/p>\n<\/div>\n<div class=\"ep-icon-card\"><span class=\"ep-icon-dot\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>3. Narrow the NM size<\/h3>\n<p>Use the reference range to identify candidate models.<\/p>\n<\/div>\n<div class=\"ep-icon-card\"><span class=\"ep-icon-dot\" aria-hidden=\"true\">4<\/span><\/p>\n<h3>4. Confirm the order configuration<\/h3>\n<p>Finalize bores, keyways, quantity and any special process on the order drawing.<\/p>\n<\/div>\n<\/div>\n<h2>NM model reference<\/h2>\n        <div class=\"ep-table-wrap\"><table class=\"ep-data-table ep-model-table\"><thead><tr><th>Model<\/th><th>Rentang Diameter Lubang<\/th><th>Kecepatan Maksimum Referensi<\/th><th>Torsi Normal Referensi<\/th><th><\/th><\/tr><\/thead><tbody>\n                <tr>\n            <td><strong>NM50<\/strong><\/td>\n                            <td data-claim-id=\"tclaim:d70874c1226aef05\">7-19 mm<\/td>\n                            <td data-claim-id=\"tclaim:031ca152bf78e078\">12500 rpm<\/td>\n                            <td data-claim-id=\"tclaim:04046484a177ca5d\">1.3 kgfu00b7m<\/td>\n                        <td><a class=\"ep-text-link\" href=\"https:\/\/nmcouplings.top\/id\/products\/nm-50-flexible-jaw-coupling\/\">Lihat modelnya<\/a><\/td>\n        <\/tr>        <tr>\n            <td><strong>NM67<\/strong><\/td>\n                            <td data-claim-id=\"tclaim:ff28bef363a54398\">8-28 mm<\/td>\n                            <td data-claim-id=\"tclaim:c4362f583948281f\">10000 rpm<\/td>\n                            <td data-claim-id=\"tclaim:e8925b63cbb076cf\">2.2 kgfu00b7m<\/td>\n                        <td><a class=\"ep-text-link\" href=\"https:\/\/nmcouplings.top\/id\/products\/nm-67-flexible-jaw-coupling\/\">Lihat modelnya<\/a><\/td>\n        <\/tr>        <tr>\n            <td><strong>NM82<\/strong><\/td>\n                            <td data-claim-id=\"tclaim:0a316de5a12ff89f\">10-32 mm<\/td>\n                            <td data-claim-id=\"tclaim:e1eb38e8dc33ebc7\">8000 rpm<\/td>\n                            <td data-claim-id=\"tclaim:46f853b579350216\">5.0 kgfu00b7m<\/td>\n                        <td><a class=\"ep-text-link\" href=\"https:\/\/nmcouplings.top\/id\/products\/nm-82-flexible-jaw-coupling\/\">Lihat modelnya<\/a><\/td>\n        <\/tr>        <tr>\n            <td><strong>NM97<\/strong><\/td>\n                            <td data-claim-id=\"tclaim:1b878498e02f7512\">10-42 mm<\/td>\n                            <td data-claim-id=\"tclaim:2f6816641847d5a8\">7000 rpm<\/td>\n                            <td data-claim-id=\"tclaim:c4f210feba3cb349\">10,5 kgfu00b7m<\/td>\n                        <td><a class=\"ep-text-link\" href=\"https:\/\/nmcouplings.top\/id\/products\/nm-97-flexible-jaw-coupling\/\">Lihat modelnya<\/a><\/td>\n        <\/tr>        <tr>\n            <td><strong>NM112<\/strong><\/td>\n                            <td data-claim-id=\"tclaim:f9c0f598ddb3153c\">14-48 mm<\/td>\n                            <td data-claim-id=\"tclaim:9ceb971b45dfce19\">6000 rpm<\/td>\n                            <td data-claim-id=\"tclaim:d8e263408c950fc7\">16,7 kgfu00b7m<\/td>\n                        <td><a class=\"ep-text-link\" href=\"https:\/\/nmcouplings.top\/id\/products\/nm-112-flexible-jaw-coupling\/\">Lihat modelnya<\/a><\/td>\n        <\/tr>        <tr>\n            <td><strong>NM128<\/strong><\/td>\n                            <td data-claim-id=\"tclaim:1925c3df3c03f3b7\">18-55 mm<\/td>\n                            <td data-claim-id=\"tclaim:eacccd30937a0075\">5000 rpm<\/td>\n                            <td data-claim-id=\"tclaim:34a6cc390919e71a\">26,7 kgfu00b7m<\/td>\n                        <td><a class=\"ep-text-link\" href=\"https:\/\/nmcouplings.top\/id\/products\/nm-128-flexible-jaw-coupling\/\">Lihat modelnya<\/a><\/td>\n        <\/tr>        <tr>\n            <td><strong>NM148<\/strong><\/td>\n                            <td data-claim-id=\"tclaim:4622179ab6ba5050\">22-65 mm<\/td>\n                            <td data-claim-id=\"tclaim:b7181541b9f62e0f\">4500 rpm<\/td>\n                            <td data-claim-id=\"tclaim:786e5ab2aa4f4b27\">41,7 kgfu00b7m<\/td>\n                        <td><a class=\"ep-text-link\" href=\"https:\/\/nmcouplings.top\/id\/products\/nm-148-flexible-jaw-coupling\/\">Lihat modelnya<\/a><\/td>\n        <\/tr>        <tr>\n            <td><strong>NM168<\/strong><\/td>\n                            <td data-claim-id=\"tclaim:6a262105be8dd2c4\">28-75 mm<\/td>\n                            <td data-claim-id=\"tclaim:64e92242f96e9f54\">4000 rpm<\/td>\n                            <td data-claim-id=\"tclaim:55492afc2363fe25\">59,5 kgfu00b7m<\/td>\n                        <td><a class=\"ep-text-link\" href=\"https:\/\/nmcouplings.top\/id\/products\/nm-168-flexible-jaw-coupling\/\">Lihat modelnya<\/a><\/td>\n        <\/tr>        <tr>\n            <td><strong>NM194<\/strong><\/td>\n                            <td data-claim-id=\"tclaim:96e9508e68b72060\">32-85 mm<\/td>\n                            <td data-claim-id=\"tclaim:2688fb48e68063d7\">3500 rpm<\/td>\n                            <td data-claim-id=\"tclaim:a2872663dc33a735\">112,0 kgfu00b7m<\/td>\n                        <td><a class=\"ep-text-link\" href=\"https:\/\/nmcouplings.top\/id\/products\/nm-194-flexible-jaw-coupling\/\">Lihat modelnya<\/a><\/td>\n        <\/tr>        <tr>\n            <td><strong>NM214<\/strong><\/td>\n                            <td data-claim-id=\"tclaim:517558dbf4fc085a\">40-95 mm<\/td>\n                            <td data-claim-id=\"tclaim:7fb7db7d15af932b\">3000 rpm<\/td>\n                            <td data-claim-id=\"tclaim:5353b88467f2fd17\">167,0 kgfu00b7m<\/td>\n                        <td><a class=\"ep-text-link\" href=\"https:\/\/nmcouplings.top\/id\/products\/nm-214-flexible-jaw-coupling\/\">Lihat modelnya<\/a><\/td>\n        <\/tr>        <\/tbody><\/table><\/div>\n        <p class=\"ep-table-note\">Gunakan tabel untuk mempersempit ukuran NM. Lubang akhir, alur pasak, dan tugas aplikasi dikonfirmasi untuk konfigurasi yang dipesan.<\/p>\n        \n<h2>Do not select from one number alone<\/h2>\n<p>Motor power is useful when torque is not supplied, but it is not the whole duty. Starts, shock, reversals and the driven machine can change the selection. Likewise, the bore range is a model-matching reference; the finished bore still has to be specified for each hub.<\/p>\n<div class=\"ep-inline-cta\">\n<h2>Request an NM Coupling Quote<\/h2>\n<p>Send the shaft sizes, speed, duty and quantity. We will review the model and machining details before quotation.<\/p>\n<p><a class=\"ep-btn\" href=\"https:\/\/nmcouplings.top\/id\/contact\/#rfq\">Send RFQ<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>A buyer-focused NM coupling selection sequence using duty, speed and both shaft interfaces.<\/p>","protected":false},"author":1,"featured_media":1298,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1278","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/posts\/1278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/comments?post=1278"}],"version-history":[{"count":3,"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/posts\/1278\/revisions"}],"predecessor-version":[{"id":1420,"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/posts\/1278\/revisions\/1420"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/media\/1298"}],"wp:attachment":[{"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/media?parent=1278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/categories?post=1278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nmcouplings.top\/id\/wp-json\/wp\/v2\/tags?post=1278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}