{"product_id":"d39-l49-18mm-to-19mm-motor-shaft-coupling-double-d","title":"D39 L49 18mm To 19mm Motor Shaft Coupling Double Diaphragm Aluminum Disc Coupling For Servo Motor Stepper Motor Encoder Screw Drive And CNC Machine Platform Clamp Style Mount Rock Solid Lightweight 10000 RPM","description":"\u003cdiv\u003eHigh-precision D39 49mm servo shaft coupling for CNC\u003cbr\u003e\n✔️ Clamp-style, 18-19 mm shaft fit, 1 pc, 5.8 N·m torque, 10000 RPM \u003cp\u003eThis compact D39 x L49 double diaphragm disc coupling provides backlash-free power transfer between a motor shaft and a ball screw or drive system. It’s ideal for CNC mills, 3D printers, servo motors, stepper motors, and encoders where accurate motion and compact form factor matter.\n\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" style=\"border-collapse: collapse; font-family: Arial; font-size: 12px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eMetric\u003c\/th\u003e\n\u003cth\u003eImperial\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e39 mm\u003c\/td\u003e\n\u003ctd\u003e1.54 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e49 mm\u003c\/td\u003e\n\u003ctd\u003e1.93 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible shaft\u003c\/td\u003e\n\u003ctd\u003e18-19 mm\u003c\/td\u003e\n\u003ctd\u003e0.71-0.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e118 g\u003c\/td\u003e\n\u003ctd\u003e4.17 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated torque\u003c\/td\u003e\n\u003ctd\u003e5.8 N·m\u003c\/td\u003e\n\u003ctd\u003e5.8 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax speed\u003c\/td\u003e\n\u003ctd\u003e10000 RPM\u003c\/td\u003e\n\u003ctd\u003e10000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n \u003cp\u003e✅ Outer diameter 39 mm (1.54 in) and length 49 mm (1.93 in) for compact fit \u003cbr\u003e\n✅ Clamp-style mount for secure attachment to shaft \u003cbr\u003e\n✅ Axial, angular, and radial misalignment compensation for smooth drive \u003cbr\u003e\n✅ Aluminum hubs keep it lightweight; stainless steel discs add strength \u003cbr\u003e\n✅ Backlash-free, torsionally stiff, maintenance-free, no wear \u003cbr\u003e\n✅ Rated torque 5.8 N·m; 10000 RPM capability \u003cbr\u003e\n✅ Packing: 1 pc coupler \u003cbr\u003e\n\u003c\/p\u003e \u003cp\u003e💡 What is a high torque shaft coupling used for in precision CNC and 3D printer drive systems?\nThis handy overview explains its role in reliable motion.\n- Transmits torque with minimal backlash\n- Handles small angular and parallel misalignment\n- Made from lightweight aluminum hubs with strong stainless discs\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48077434945771,"sku":"VXB098D5QQ4B","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/413B8zcIEYS.jpg?v=1775865324","url":"https:\/\/vxb.com\/products\/d39-l49-18mm-to-19mm-motor-shaft-coupling-double-d","provider":"VXB Bearings","version":"1.0","type":"link"}