{"id":1947,"date":"2026-06-05T09:16:31","date_gmt":"2026-06-05T09:16:31","guid":{"rendered":"https:\/\/reducers-worm.xyz\/product\/ep-nrv090-aluminium-worm-gearbox\/"},"modified":"2026-06-05T09:16:31","modified_gmt":"2026-06-05T09:16:31","slug":"ep-nrv090-aluminium-worm-gearbox","status":"publish","type":"product","link":"https:\/\/reducers-worm.xyz\/uk\/product\/ep-nrv090-aluminium-worm-gearbox\/","title":{"rendered":"EP-NRV090 Aluminium Worm Gearbox"},"content":{"rendered":"<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EP-NRV090 Aluminium Worm Gearbox\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"EP\"\n    },\n    \"sku\": \"EP-NRV090\",\n    \"description\": \"EP-NRV090 solid shaft aluminium worm gearbox, 90mm centre distance, 5-100:1, 0.37-4 kW, approx. 450 Nm\",\n    \"material\": \"Die-cast aluminium alloy; tin-bronze worm wheel\",\n    \"category\": \"Aluminium Worm Reducer\",\n    \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"Contact for Quote\",\n        \"availability\": \"https:\\\/\\\/schema.org\\\/InStock\"\n    }\n}<\/script><\/p>\n<h2 style=\"color:#1a3d6d;border-bottom:2px solid #1a3d6d;padding-bottom:4px;margin:24px 0 10px;\">EP-NRV090 Solid Shaft Aluminium Worm Gearbox &#8211; Product Overview<\/h2>\n<p style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw+10px,18px);line-height:1.7;word-break:break-word;color:#333;\">The <strong>EP-NRV090<\/strong> is the heavy-duty NRV solid-shaft worm gearbox for solar tracking systems, large conveyors, and heavy agitator drives requiring precision servo or BLDC motor coupling. With a solid &Oslash;24j6 input shaft instead of an IEC motor flange, the NRV090 accepts any motor type via standard shaft coupling &#8211; servo motors, stepper motors, DC brushless, hydraulic motors, and even combustion engine PTO drives. This universal motor compatibility is the defining advantage of the NRV series over the IEC-flange-only NMRV series. At approx. 15 kg with 90 mm centre distance and &Oslash;35h6 output shaft, it delivers up to approx. 450 Nm output torque across ratios 5-100:1. The die-cast aluminium alloy housing provides corrosion resistance and thermal efficiency superior to cast iron while saving 30-50% in weight. Purpose-designed for renewable energy tracking drives, heavy conveyor systems, and precision positioning applications where the solid input shaft enables direct servo and BLDC motor coupling.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/reducers-worm.xyz\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-1.webp\" alt=\"EP-NRV090 solid shaft aluminium worm gearbox foot-mount 90mm centre distance\" style=\"max-width:100%;height:auto;margin:8px 0;\"><\/p>\n<h2 style=\"color:#1a3d6d;border-bottom:2px solid #1a3d6d;padding-bottom:4px;margin:24px 0 10px;\">EP-NRV090 Technical Specifications<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/reducers-worm.xyz\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-dimensions.webp\" alt=\"NRV series aluminium worm gearbox dimension drawing showing all frame sizes and shaft configurations\" style=\"max-width:100%;height:auto;margin:8px 0;\"><\/p>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;\">\n<thead>\n<tr>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Parameter<\/th>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Model<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">EP-NRV090<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Centre Distance<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">90 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Weight (without motor)<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">approx. 15 kg<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Input Shaft<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">&Oslash;24j6 (solid)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Output Shaft<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">&Oslash;35h6<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Output Shaft Length B<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">80 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Output G1<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">140 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Output Overall L<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">234 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Output Thread<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">M12<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Output Keyway b1<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">10 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Output Keyway t1<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">38 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Ratio Range<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">5-100:1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Input Power Range<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">0.37-4 kW<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0438\u0439 \u0432\u0438\u0445\u0456\u0434\u043d\u0438\u0439 \u043a\u0440\u0443\u0442\u043d\u0438\u0439 \u043c\u043e\u043c\u0435\u043d\u0442<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">approx. 450 Nm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Housing Material<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Die-cast aluminium alloy, painted finish<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Worm Wheel<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Tin-bronze alloy<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Worm Shaft<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Case-hardened steel, precision ground<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Lubrication<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Synthetic oil, lifetime fill<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">IP Rating<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">IP54<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Mounting Positions<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">B3, B6, B7, B8, V5, V6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style=\"color:#1a3d6d;margin:14px 0 6px;\">NRV090 Performance Data (n1 = 1400 rpm)<\/h3>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;\">\n<thead>\n<tr>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Ratio<\/th>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">n2 (rpm)<\/th>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Torque (Nm)<\/th>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Input (kW)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">7.5<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">186.7<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Est. 250<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Est. 3.5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">15<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">93.3<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Est. 350<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Est. 2.0<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">30<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">46.7<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Est. 400<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Est. 1.2<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">60<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">23.3<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Est. 420<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Est. 0.8<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">100<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">14<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Est. 300<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Est. 0.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"color:#1a3d6d;border-bottom:2px solid #1a3d6d;padding-bottom:4px;margin:24px 0 10px;\">&#10003; Core Features and Benefits<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:10px;\">\n<div style=\"flex:1 1 45%;min-width:220px;background:#f5f7fa;border-left:3px solid #1a3d6d;border-radius:4px;padding:10px;box-sizing:border-box;\"><strong style=\"color:#1a3d6d;\">&#9881; Solid Input Shaft &#8211; Universal Motor Coupling<\/strong><br \/><span style=\"font-size:13px;color:#444;\">Unlike the IEC-flange NMRV series, the NRV solid input shaft couples to ANY motor type via standard shaft couplings &#8211; AC induction, DC brushless, servo, stepper, hydraulic, pneumatic, and combustion engine PTO drives.<\/span><\/div>\n<div style=\"flex:1 1 45%;min-width:220px;background:#f5f7fa;border-left:3px solid #1a3d6d;border-radius:4px;padding:10px;box-sizing:border-box;\"><strong style=\"color:#1a3d6d;\">&#9878; Servo and BLDC Motor Compatible<\/strong><br \/><span style=\"font-size:13px;color:#444;\">The solid 24 mm input shaft enables direct coupling to precision servo motors and brushless DC drives for solar tracking and positioning applications requiring high angular accuracy.<\/span><\/div>\n<div style=\"flex:1 1 45%;min-width:220px;background:#f5f7fa;border-left:3px solid #1a3d6d;border-radius:4px;padding:10px;box-sizing:border-box;\"><strong style=\"color:#1a3d6d;\">&#10052; 35 mm h6 Output &#8211; Heavy Industrial Standard<\/strong><br \/><span style=\"font-size:13px;color:#444;\">Matches heavy-duty industrial coupling and sprocket bore standards for conveyor, agitator, and large pump drive applications across Australia.<\/span><\/div>\n<div style=\"flex:1 1 45%;min-width:220px;background:#f5f7fa;border-left:3px solid #1a3d6d;border-radius:4px;padding:10px;box-sizing:border-box;\"><strong style=\"color:#1a3d6d;\">&#9874; Aluminium Thermal Efficiency and Corrosion Resistance<\/strong><br \/><span style=\"font-size:13px;color:#444;\">Die-cast aluminium housing dissipates heat 3x faster than cast iron for continuous duty at up to 40&deg;C ambient. Factory coating resists humidity, washdown chemicals, and mild salt spray exposure.<\/span><\/div>\n<\/div>\n<h2 style=\"color:#1a3d6d;border-bottom:2px solid #1a3d6d;padding-bottom:4px;margin:24px 0 10px;\">&#9881; Industry Applications<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/reducers-worm.xyz\/wp-content\/uploads\/2026\/06\/renewable-energy-application.webp\" alt=\"EP-NRV090 solid shaft worm gearbox industrial applications for renewable energy tracking drives, heavy \" style=\"max-width:100%;height:auto;margin:8px 0;\"><\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:10px;\">\n<div style=\"flex:1 1 45%;min-width:220px;background:#f5f7fa;border-left:3px solid #1a3d6d;border-radius:4px;padding:10px;box-sizing:border-box;\"><strong style=\"color:#1a3d6d;\">&#9874; Solar Tracker Drives<\/strong><br \/><span style=\"font-size:13px;color:#444;\">Solid shaft couples to precision servo motors for photovoltaic panel tracking with high angular accuracy. No IEC flange constraint allows any motor type including stepper and BLDC.<\/span><\/div>\n<div style=\"flex:1 1 45%;min-width:220px;background:#f5f7fa;border-left:3px solid #1a3d6d;border-radius:4px;padding:10px;box-sizing:border-box;\"><strong style=\"color:#1a3d6d;\">&#9881; Heavy Conveyor Drives<\/strong><br \/><span style=\"font-size:13px;color:#444;\">Head drives for aggregate, timber, and recycling conveyors. 35 mm output handles heavy belt tension at sustained industrial loads.<\/span><\/div>\n<div style=\"flex:1 1 45%;min-width:220px;background:#f5f7fa;border-left:3px solid #1a3d6d;border-radius:4px;padding:10px;box-sizing:border-box;\"><strong style=\"color:#1a3d6d;\">&#9878; Off-Grid and Remote Site Equipment<\/strong><br \/><span style=\"font-size:13px;color:#444;\">Solid shaft input couples to diesel-hydraulic motors, engine PTO drives, and battery-powered DC motors &#8211; not restricted to mains-powered IEC motors. Essential for mining, agriculture, and construction in remote locations.<\/span><\/div>\n<div style=\"flex:1 1 45%;min-width:220px;background:#f5f7fa;border-left:3px solid #1a3d6d;border-radius:4px;padding:10px;box-sizing:border-box;\"><strong style=\"color:#1a3d6d;\">&#9883; Servo and Stepper Precision Positioning<\/strong><br \/><span style=\"font-size:13px;color:#444;\">Direct servo or stepper motor coupling via bellows or beam couplings for position-control applications. Achieves angular accuracy levels that IEC-flange worm reducers cannot match.<\/span><\/div>\n<\/div>\n<h2 style=\"color:#1a3d6d;border-bottom:2px solid #1a3d6d;padding-bottom:4px;margin:24px 0 10px;\">&#9881; Selection Guide and Mounting Positions<\/h2>\n<p style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw+10px,18px);line-height:1.7;word-break:break-word;color:#333;\">Choose the NRV090 when you need universal motor coupling flexibility &#8211; servo, stepper, DC, hydraulic, or PTO. If your application uses only standard IEC AC motors, the NMRV090 with direct flange mount may offer a simpler installation. Both NRV and NMRV share identical output shaft specifications, torque ratings, and housing dimensions at each size.<\/p>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;\">\n<thead>\n<tr>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Position<\/th>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Code<\/th>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Oil Note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Horizontal<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">B3<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Standard fill<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Inverted<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">B8<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Increased fill<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Vertical up<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">V5<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Reduced fill<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Vertical down<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">V6<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Maximum fill<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Wall-mount L\/R<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">B6\/B7<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Per chart<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/reducers-worm.xyz\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-shaft-dimensions.webp\" alt=\"NRV worm gearbox output shaft dimensions and low-speed shaft specifications for all sizes\" style=\"max-width:100%;height:auto;margin:8px 0;\"><\/p>\n<h2 style=\"color:#1a3d6d;border-bottom:2px solid #1a3d6d;padding-bottom:4px;margin:24px 0 10px;\">&#9878; NRV Aluminium vs Cast Iron Worm Gearbox Comparison<\/h2>\n<p style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw+10px,18px);line-height:1.7;word-break:break-word;color:#333;\">The NRV aluminium worm gearbox provides significant weight savings, better corrosion resistance, and superior heat dissipation compared to traditional cast iron reducers &#8211; with the added advantage of universal motor coupling via the solid input shaft.<\/p>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;\">\n<thead>\n<tr>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Feature<\/th>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Aluminium NRV<\/th>\n<th style=\"padding:6px;background:#1a3d6d;color:#fff;font-size:12px;\">Cast Iron<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Weight<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">30-50% lighter<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Heavier<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Corrosion<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Excellent<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Poor<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Heat<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Superior<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Moderate<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Cost<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Lower<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Higher<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Input Shaft<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Solid &#8211; universal coupling<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Often fixed flange<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Motor Compatibility<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Any motor via coupling<\/td>\n<td style=\"padding:5px 6px;border-bottom:1px solid #ddd;font-size:12px;\">Usually IEC only<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"color:#1a3d6d;border-bottom:2px solid #1a3d6d;padding-bottom:4px;margin:24px 0 10px;\">&#10067; Frequently Asked Questions<\/h2>\n<details style=\"margin:6px 0;border:1px solid #ddd;border-radius:4px;\">\n<summary style=\"padding:8px 12px;background:#1a3d6d;color:#fff;cursor:pointer;font-size:13px;list-style:none;\">&#9654; Why choose the NRV090 for solar tracker applications?<\/summary>\n<div style=\"padding:8px 12px;font-size:13px;color:#333;\">The solid input shaft enables direct coupling to precision servo or BLDC motors for high-accuracy tracking control. IEC-flange NMRV reducers restrict motor choice to standard AC types, which may not provide the positioning accuracy solar trackers require.<\/div>\n<\/details>\n<details style=\"margin:6px 0;border:1px solid #ddd;border-radius:4px;\">\n<summary style=\"padding:8px 12px;background:#1a3d6d;color:#fff;cursor:pointer;font-size:13px;list-style:none;\">&#9654; How does the NRV090 compare to the NMRV090?<\/summary>\n<div style=\"padding:8px 12px;font-size:13px;color:#333;\">Same 90 mm centre distance, 35 mm output, and identical torque ratings. NRV090 has a solid 24 mm input for servo, hydraulic, and DC motors. NMRV090 has an IEC flange for standard AC motors only.<\/div>\n<\/details>\n<details style=\"margin:6px 0;border:1px solid #ddd;border-radius:4px;\">\n<summary style=\"padding:8px 12px;background:#1a3d6d;color:#fff;cursor:pointer;font-size:13px;list-style:none;\">&#9654; What is the maximum output torque?<\/summary>\n<div style=\"padding:8px 12px;font-size:13px;color:#333;\">Approximately 450 Nm at medium ratios with 4 kW input. The NRV090 shares identical output performance ratings with the NMRV090 &#8211; refer to the NMRV090 performance tables.<\/div>\n<\/details>\n<details style=\"margin:6px 0;border:1px solid #ddd;border-radius:4px;\">\n<summary style=\"padding:8px 12px;background:#1a3d6d;color:#fff;cursor:pointer;font-size:13px;list-style:none;\">&#9654; What mounting positions does the EP-NRV090 support?<\/summary>\n<div style=\"padding:8px 12px;font-size:13px;color:#333;\">B3 horizontal, B6 wall-mount left, B7 wall-mount right, B8 inverted, V5 vertical output up, V6 vertical output down. Oil level must be adjusted per mounting position &#8211; refer to the NRV mounting position chart in the product manual.<\/div>\n<\/details>\n<details style=\"margin:6px 0;border:1px solid #ddd;border-radius:4px;\">\n<summary style=\"padding:8px 12px;background:#1a3d6d;color:#fff;cursor:pointer;font-size:13px;list-style:none;\">&#9654; What accessories are available for the EP-NRV090?<\/summary>\n<div style=\"padding:8px 12px;font-size:13px;color:#333;\">Torque arm for shaft-mount hollow bore installations, protective cover for input shaft bore protection, single and double output shaft configurations. All NRV accessories are size-matched to the NRV090 frame dimensions.<\/div>\n<\/details>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Why choose the NRV090 for solar tracker applications?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The solid input shaft enables direct coupling to precision servo or BLDC motors for high-accuracy tr\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How does the NRV090 compare to the NMRV090?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Same 90 mm centre distance, 35 mm output, and identical torque ratings. 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Cast iron equivalent was 25 kg &#8211; this is much easier to handle on site.&rdquo;<\/p>\n<p><span style=\"font-size:11px;color:#666;\"><b>Antti V.<\/b> &#8211; Nordic Timber Oy (Finland)<\/span><\/div>\n<div style=\"flex:1 1 30%;min-width:200px;background:#fff;border:1px solid #ddd;border-radius:4px;padding:10px;box-sizing:border-box;\"><span style=\"color:#f5a623;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/span><\/p>\n<p style=\"font-size:12px;font-style:italic;margin:4px 0;\">&ldquo;Replaced cast iron on 4 process agitator drives. NRV090 solid shaft to VFD motor for variable-speed mixing at 40% less weight than the previous installation.&rdquo;<\/p>\n<p><span style=\"font-size:11px;color:#666;\"><b>Thomas R.<\/b> &#8211; Rhein Chemie GmbH (Germany)<\/span><\/div>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EP-NRV090 Aluminium Worm Gearbox\",\n    \"aggregateRating\": {\n        \"@type\": \"AggregateRating\",\n        \"ratingValue\": \"4.9\",\n        \"reviewCount\": \"3\",\n        \"bestRating\": \"5\"\n    },\n    \"review\": [\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Daniel S.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"NRV090 on our solar farm trackers with BLDC servo motor coupling. 0.01 degree po\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Antti V.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"NRV090 on timber conveyor heads with hydraulic motor for our off-grid sawmill. C\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Thomas R.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"Replaced cast iron on 4 process agitator drives. NRV090 solid shaft to VFD motor\"\n        }\n    ]\n}<\/script><\/p>\n<h2 style=\"color:#1a3d6d;border-bottom:2px solid #1a3d6d;padding-bottom:4px;margin:24px 0 10px;\">&#9881; Related Products and Accessories<\/h2>\n<p style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw+10px,18px);line-height:1.7;word-break:break-word;color:#333;\"><b>&#9881; Compatible Motors:<\/b> Any motor type via solid shaft coupling &#8211; servo, stepper, DC, hydraulic, PTO. <b>&#9878; Torque Arms:<\/b> Size-matched for shaft-mount installations. <b>&#9881; Output Shafts:<\/b> Single and double solid output shaft options. <b>&#9878; Protective Covers:<\/b> Input shaft bore dust protection. <b>&#9881; NMRV090:<\/b> IEC motor flange version of the same 90 mm frame size.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/reducers-worm.xyz\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-torque-arm-dimensions.webp\" alt=\"NRV worm gearbox torque arm dimensions for shaft-mount hollow bore installation\" style=\"max-width:100%;height:auto;margin:8px 0;\"><img decoding=\"async\" src=\"https:\/\/reducers-worm.xyz\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-cover-dimensions.webp\" alt=\"NRV worm gearbox protective cover dimensions for input shaft bore protection\" style=\"max-width:100%;height:auto;margin:8px 0;\"><\/p>\n<div style=\"background:#1a3d6d;color:#fff;border-radius:6px;padding:20px;text-align:center;margin:20px 0;\">\n<h2 style=\"color:#fff;font-size:18px;margin:0 0 8px;\">Get Your EP-NRV090 Quote Today<\/h2>\n<p style=\"color:#cde;font-size:13px;margin:0 0 12px;\">Contact Ever Power for pricing, custom shafts, and OEM quantities. Email: sales@reducers-worm.xyz<\/p>\n<p><a href=\"\/uk\/contact-us\/\" style=\"background:#fff;color:#1a3d6d;padding:8px 20px;border-radius:4px;text-decoration:none;font-weight:bold;\">&#9993; Request Quote<\/a> <a href=\"\/uk\/about-us\/\" style=\"color:#fff;padding:8px 20px;border:1px solid #fff;border-radius:4px;text-decoration:none;margin-left:6px;\">About Ever Power<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw+10px,18px);line-height:1.7;word-break:break-word;\">The EP-NRV090 aluminium worm gearbox features a solid &Oslash;4 mm input shaft for universal motor coupling &#8211; servo, stepper, DC, hydraulic, or combustion PTO. Centre distance 90 mm, &Oslash;35 mm output shaft, ratios 5-100:1, input power 0.37-4 kW. Maximum torque approx. 450 Nm. Weight approx. 15 kg. Foot-mount die-cast aluminium housing for renewable energy tracking drives, heavy conveyor systems, and precision position.<\/p>","protected":false},"featured_media":1587,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[1238],"product_tag":[1282,1280,1284,1281,1283],"class_list":{"0":"post-1947","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-aluminium-worm-reducer","7":"product_tag-foot-mount-worm-gearbox","8":"product_tag-nrv-aluminium-worm-gearbox","9":"product_tag-servo-motor-worm-gear-reducer","10":"product_tag-solid-shaft-worm-reducer","11":"product_tag-universal-coupling-worm-drive","13":"first","14":"instock","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/reducers-worm.xyz\/uk\/wp-json\/wp\/v2\/product\/1947","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/reducers-worm.xyz\/uk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/reducers-worm.xyz\/uk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/reducers-worm.xyz\/uk\/wp-json\/wp\/v2\/comments?post=1947"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/reducers-worm.xyz\/uk\/wp-json\/wp\/v2\/media\/1587"}],"wp:attachment":[{"href":"https:\/\/reducers-worm.xyz\/uk\/wp-json\/wp\/v2\/media?parent=1947"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/reducers-worm.xyz\/uk\/wp-json\/wp\/v2\/product_brand?post=1947"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/reducers-worm.xyz\/uk\/wp-json\/wp\/v2\/product_cat?post=1947"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/reducers-worm.xyz\/uk\/wp-json\/wp\/v2\/product_tag?post=1947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}