{"id":1263,"date":"2026-06-29T08:46:04","date_gmt":"2026-06-29T08:46:04","guid":{"rendered":"https:\/\/nmrv050gearbox.top\/product\/nmrv130-worm-gearbox-aluminum-worm-gear-reducer\/"},"modified":"2026-06-29T08:46:05","modified_gmt":"2026-06-29T08:46:05","slug":"nmrv130-worm-gearbox-aluminum-worm-gear-reducer","status":"publish","type":"product","link":"https:\/\/nmrv050gearbox.top\/ms\/product\/nmrv130-worm-gearbox-aluminum-worm-gear-reducer\/","title":{"rendered":"NMRV130 Worm Gearbox \u2013 Aluminum Worm Gear Reducer"},"content":{"rendered":"<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"EP-NMRV130 Worm Gearbox\",\"brand\":{\"@type\":\"Brand\",\"name\":\"EP\"},\"sku\":\"EP-NMRV130\",\"description\":\"Flagship aluminum worm gearbox 48 kg, ratios 7.5-100:1, up to 2500 Nm, 45 mm output shaft, NEMA 140TC\/180TC\/210TC, 12076 N radial load, FA output flange, centrifugally cast bronze wheel.\",\"material\":\"Die-cast aluminum alloy, centrifugally cast phosphor-bronze worm wheel\",\"category\":\"Worm Gearbox\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"Contact for Quote\",\"availability\":\"https:\/\/schema.org\/InStock\"}}<\/script><\/p>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;word-break:break-word;\">EP-NMRV130 Worm Gearbox &mdash; Flagship 2,500 Nm Drive for Major Industrial Infrastructure<\/h2>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">The <strong>EP-NMRV130 aluminum worm gearbox<\/strong> is the most powerful unit in Ever Power&rsquo;s NMRV compact series &mdash; delivering <strong>2,500&nbsp;Nm<\/strong> of sustained output torque from a <strong>48&nbsp;kg<\/strong> housing. Where comparable cast iron worm reducers weigh 100&ndash;130&nbsp;kg and require heavy lifting equipment to install, the NMRV130 can be positioned by a small telehandler or a three-person team &mdash; a practical advantage on the elevated drive platforms of Australian port terminals, bulk material handling facilities, and water infrastructure pump stations.<\/p>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">The NMRV130&rsquo;s <strong>45&nbsp;mm output shaft<\/strong> and class-leading <strong>12,076&nbsp;N radial load capacity<\/strong> allow direct mounting of the largest chain sprockets and V-belt pulleys used in heavy industrial conveyors without intermediate shaft supports. The centrifugally cast phosphor-bronze worm wheel delivers superior fatigue life under sustained high-torque conditions. NEMA 140TC, 180TC, and 210TC input flanges cover motors up to 9.2&nbsp;kW, making the NMRV130 the definitive solution for Australian bulk material handling and large-vessel chemical agitation.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nmrv-130-worm-gearbox-specifications.webp\" alt=\"EP-NMRV130 worm gearbox dimension drawing and specification\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><\/p>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;word-break:break-word;\">Technical Specifications<\/h2>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);\">\n<thead>\n<tr style=\"background:#1a3c6e;color:#fff;\">\n<th style=\"padding:10px;border:1px solid #ccc;text-align:left;\">Parameter<\/th>\n<th style=\"padding:10px;border:1px solid #ccc;text-align:left;\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Model<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">EP-NMRV130<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Weight (without motor)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">48 kg<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Gear Ratios<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Max Input Power (P1)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">Up to 9.2 kW<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Max Output Torque (M2)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">Up to 2,500 Nm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Output Speed Range<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">14 &ndash; 186.7 rpm (at 1400 rpm input)<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Max Radial Load Fr2<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">Up to 12,076 N<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Housing Material<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">Die-cast aluminum alloy<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Worm Wheel Material<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">Phosphor bronze (centrifugally cast)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Output Shaft Dia. (Metric)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">45 mm H8<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Output Shaft Dia. (Inch)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">1.750 in (&minus;0.0005)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Keyway (metric output)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">14 &times; 48.5 mm<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Input Shaft Dia. (Metric)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">30 j6 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">NEMA Input Flanges<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">140TC, 180TC, 210TC<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Output Flange<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">FA (180 mm pilot, 22.5 deg bolt pattern &mdash; unique in NMRV series)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Mounting Options<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">Foot (NMRV), Shaft (NRV), Flange<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Protection Class<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">IP54 standard<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Operating Temperature<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">-10 to +40 deg C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style=\"font-size:clamp(16px,2.5vw,22px);color:#1a3c6e;margin-top:22px;word-break:break-word;\">Dimensional Data &mdash; Metric &amp; Inch<\/h3>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);\">\n<thead>\n<tr style=\"background:#1a3c6e;color:#fff;\">\n<th style=\"padding:9px;border:1px solid #ccc;\">Dimension<\/th>\n<th style=\"padding:9px;border:1px solid #ccc;\">Metric (mm)<\/th>\n<th style=\"padding:9px;border:1px solid #ccc;\">Inch (in)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:8px;border:1px solid #ddd;\">Centre Height (A)<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">170<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">6.69<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px;border:1px solid #ddd;\">Centre Distance (I)<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">130<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">&mdash;<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:8px;border:1px solid #ddd;\">Output Shaft dia.<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">45 mm H8<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">1.750 in<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px;border:1px solid #ddd;\">Input Shaft dia.<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">30 j6 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">1.250 in<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:8px;border:1px solid #ddd;\">Keyway (output)<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">14 &times; 48.5 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">0.375 &times; 2.75 in<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px;border:1px solid #ddd;\">Output Shaft Length<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">80 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">&mdash;<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:8px;border:1px solid #ddd;\">Flange Mount BK<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">180 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">7.087 in<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px;border:1px solid #ddd;\">FA Flange Pilot (AK)<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">180 mm +0.063 (22.5 deg ref)<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">7.087 in<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nmrv-nrv-worm-gearbox-inch-series.webp\" alt=\"NMRV130 inch series dimensional reference\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><\/p>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;word-break:break-word;\">Core Features &amp; Engineering Advantages<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin:16px 0;\">\n<div style=\"width:100%;max-width:340px;box-sizing:border-box;background:#f0f5ff;border-left:4px solid #1a3c6e;padding:calc(2% + 8px);border-radius:6px;\">\n<p style=\"font-size:clamp(14px,2vw,18px);font-weight:bold;margin:0 0 6px;\">&#9881; 2,500 Nm Peak &mdash; Class-Leading Torque<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">The highest output torque in the compact NMRV series. For Australian port and mining operations, this weight reduction versus comparable cast iron translates to lower structural steel cost and simpler installation logistics in remote and elevated locations.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:340px;box-sizing:border-box;background:#f0f5ff;border-left:4px solid #1a3c6e;padding:calc(2% + 8px);border-radius:6px;\">\n<p style=\"font-size:clamp(14px,2vw,18px);font-weight:bold;margin:0 0 6px;\">&#128200; 12,076 N Radial Load &mdash; Highest in Series<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">Supports the largest industrial chain sprockets (up to 1.5-inch pitch) and heavy V-belt sheaves in overland bulk conveyor drives &mdash; eliminating intermediate pillow-block bearing supports and reducing drivetrain component count.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:340px;box-sizing:border-box;background:#f0f5ff;border-left:4px solid #1a3c6e;padding:calc(2% + 8px);border-radius:6px;\">\n<p style=\"font-size:clamp(14px,2vw,18px);font-weight:bold;margin:0 0 6px;\">&#128293; Centrifugally Cast Bronze Wheel<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">Denser, more homogeneous alloy structure than sand-cast wheels &mdash; delivering higher fatigue strength and longer service life under sustained high-torque, low-speed conditions of major conveyor and agitator drives in continuous 24-hour operation.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:340px;box-sizing:border-box;background:#f0f5ff;border-left:4px solid #1a3c6e;padding:calc(2% + 8px);border-radius:6px;\">\n<p style=\"font-size:clamp(14px,2vw,18px);font-weight:bold;margin:0 0 6px;\">&#9881; NEMA 210TC &mdash; 9.2 kW Motor Ready<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">Enables direct mounting of 7.5&ndash;9.2&nbsp;kW motors in the 210 frame &mdash; the largest class commonly used in compact worm reducer applications in Australian heavy industry &mdash; without custom adaptor fabrication costs.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:340px;box-sizing:border-box;background:#f0f5ff;border-left:4px solid #1a3c6e;padding:calc(2% + 8px);border-radius:6px;\">\n<p style=\"font-size:clamp(14px,2vw,18px);font-weight:bold;margin:0 0 6px;\">&#127774; 48 kg vs 100+ kg Cast Iron<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">At 48&nbsp;kg, a 50&ndash;60% weight reduction versus cast iron reducers of equivalent torque. A replacement unit can be transported in a standard ute tray and installed with portable lifting &mdash; versus the heavy crane required for a cast iron equivalent at a remote Australian mine or farm site.<\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;word-break:break-word;\">Application Scenarios &amp; Industry Suitability<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;margin:12px 0;\">\n<div style=\"width:100%;max-width:260px;box-sizing:border-box;text-align:center;background:#fff;border:1px solid #d0daf0;border-radius:8px;padding:calc(2% + 8px);\">\n<p style=\"font-size:28px;margin:0;\">&#9961;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Overland Bulk Conveyors<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Head and tail drives for overland iron ore, coal, and bauxite belt conveyors in WA and Queensland &mdash; 2,500&nbsp;Nm handles maximum-load starting torque peaks on the longest loaded belts in Australian bulk commodity export terminals.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:260px;box-sizing:border-box;text-align:center;background:#fff;border:1px solid #d0daf0;border-radius:8px;padding:calc(2% + 8px);\">\n<p style=\"font-size:28px;margin:0;\">&#9879;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Major Process Vessels<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Large-diameter mixing and reactor vessel agitators in chemical, fertiliser, and polymer plants &mdash; centrifugally cast bronze wheel withstands cyclic loading of high-viscosity product blending at full torque.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:260px;box-sizing:border-box;text-align:center;background:#fff;border:1px solid #d0daf0;border-radius:8px;padding:calc(2% + 8px);\">\n<p style=\"font-size:28px;margin:0;\">&#127963;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Major Water Infrastructure<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Large clarifier rakes, gravity thickener drives, and penstock gate operators in major Australian water and irrigation authority plants &mdash; self-locking at high ratios eliminates brake requirements on power loss.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:260px;box-sizing:border-box;text-align:center;background:#fff;border:1px solid #d0daf0;border-radius:8px;padding:calc(2% + 8px);\">\n<p style=\"font-size:28px;margin:0;\">&#127981;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Heavy Grain &amp; Food Industry<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Large grain terminal elevator boot drives, silo chain conveyor drives, and commercial flour mill main drives &mdash; handles high inertia starting loads of heavily loaded grain handling systems in continuous 24-hour service.<\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;word-break:break-word;\">Selection Guide &amp; Shaft Configuration<\/h2>\n<ul style=\"font-size:clamp(14px,2vw,18px);line-height:2;\">\n<li><strong>Ratio 7.5&ndash;15:<\/strong> High-speed process drives &mdash; 93&ndash;186 rpm, moderate torque.<\/li>\n<li><strong>Ratio 20&ndash;40:<\/strong> Overland conveyors, major agitators &mdash; 35&ndash;70 rpm, sustained maximum torque.<\/li>\n<li><strong>Ratio 50&ndash;100:<\/strong> Clarifier rakes, penstock gates, slow positioning &mdash; 14&ndash;28 rpm, self-locking, maximum 12,076&nbsp;N radial load.<\/li>\n<\/ul>\n<h3 style=\"font-size:clamp(16px,2.5vw,22px);color:#1a3c6e;margin-top:22px;word-break:break-word;\">Shaft &amp; Input Configuration Details<\/h3>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">Standard: <strong>45&nbsp;mm H8 solid shaft<\/strong> with 14&times;48.5&nbsp;mm keyway and M16 threaded end. Hollow bore available. Inch: 1.750&nbsp;in shaft with 0.375&times;2.75&nbsp;in keyway. Input: NEMA 140TC, 180TC, or 210TC &mdash; specify at order. FA output flange: 180&nbsp;mm pilot diameter, <strong>22.5&nbsp;deg bolt pattern reference<\/strong> (unique to NMRV130 &mdash; all other NMRV models use 45&nbsp;deg). Critical when designing the mating driven-machine flange.<\/p>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;word-break:break-word;\">Aluminum vs. Cast Iron &mdash; NMRV130 Flagship Comparison<\/h2>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);\">\n<thead>\n<tr style=\"background:#1a3c6e;color:#fff;\">\n<th style=\"padding:10px;border:1px solid #ccc;text-align:left;\">Criterion<\/th>\n<th style=\"padding:10px;border:1px solid #ccc;text-align:center;\">EP-NMRV130 (Aluminum)<\/th>\n<th style=\"padding:10px;border:1px solid #ccc;text-align:center;\">Cast Iron Equivalent<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Unit Weight<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">48 kg &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">100&ndash;130 kg<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Peak Output Torque<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">2,500 Nm &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Similar, 2&ndash;3x heavier<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Radial Load Capacity<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">12,076 N &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Similar, much heavier<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">NEMA 210TC Acceptance<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Yes &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Rarely standard<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Bronze Wheel Quality<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Centrifugally cast &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Sand-cast typically<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Remote-Site Install<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Telehandler \/ 3-person &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Heavy crane required<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;word-break:break-word;\">Frequently Asked Questions<\/h2>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the maximum output torque of the EP-NMRV130?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Up to 2,500 Nm at 100:1 ratio with 9.2 kW motor input. The highest output torque in the compact NMRV series. Preferred for overland bulk material conveyor head drives, major process vessel agitators, and large-diameter clarifier rake drives exceeding the 1,800 Nm of the NMRV110.\"}},{\"@type\":\"Question\",\"name\":\"What makes the NMRV130 different from other large worm gearboxes?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NMRV130 delivers 2,500 Nm in a 48 kg aluminum housing. Comparable cast iron units weigh 100 to 130 kg. It features a centrifugally cast phosphor-bronze wheel for superior fatigue resistance and accepts NEMA 210TC input flanges for direct 9.2 kW motor mounting.\"}},{\"@type\":\"Question\",\"name\":\"Is the NMRV130 suitable for 24-hour continuous heavy-duty operation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, within rated P1 for the selected ratio. For 24-hour continuous duty in ambient above 30 degrees C, an external oil cooling coil is recommended to maintain oil below 90 degrees C.\"}},{\"@type\":\"Question\",\"name\":\"What is the radial load capacity of the NMRV130 output shaft?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Up to 12,076 N radial load at ratio 100:1. The highest rating in the compact NMRV series. Supports direct mounting of the largest industrial chain sprockets and heavy V-belt sheaves in overland conveyor systems without intermediate bearing pedestals.\"}},{\"@type\":\"Question\",\"name\":\"What is the FA flange bolt pattern angle for the NMRV130?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NMRV130 FA output flange uses a 22.5 degree bolt pattern rotation reference. All other NMRV models use 45 degrees. The pilot diameter is 180 mm with a 280 mm OD bolt circle. This is a critical detail when designing the mating driven-machine flange.\"}}]}<\/script><\/p>\n<details style=\"border:1px solid #d0daf0;border-radius:6px;margin-bottom:10px;\">\n<summary style=\"background:#f0f5ff;padding:14px;font-size:clamp(14px,2vw,18px);font-weight:bold;cursor:pointer;list-style:none;\">&#10067; What is the maximum output torque of the EP-NMRV130?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Up to <strong>2,500&nbsp;Nm<\/strong> at 100:1 ratio with 9.2&nbsp;kW input &mdash; the highest in the NMRV series. For overland conveyor drives, major process agitators, and large clarifier rakes exceeding the NMRV110&rsquo;s 1,800&nbsp;Nm.<\/p>\n<\/details>\n<details style=\"border:1px solid #d0daf0;border-radius:6px;margin-bottom:10px;\">\n<summary style=\"background:#f0f5ff;padding:14px;font-size:clamp(14px,2vw,18px);font-weight:bold;cursor:pointer;list-style:none;\">&#10067; What makes the NMRV130 different from other large worm gearboxes?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">2,500&nbsp;Nm in a 48&nbsp;kg housing. Cast iron equivalents weigh 100&ndash;130&nbsp;kg. Centrifugally cast bronze wheel for superior fatigue resistance. NEMA 210TC acceptance for direct 9.2&nbsp;kW motor mounting.<\/p>\n<\/details>\n<details style=\"border:1px solid #d0daf0;border-radius:6px;margin-bottom:10px;\">\n<summary style=\"background:#f0f5ff;padding:14px;font-size:clamp(14px,2vw,18px);font-weight:bold;cursor:pointer;list-style:none;\">&#10067; Is the NMRV130 suitable for 24-hour continuous heavy-duty operation?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Yes, within rated P1. In ambient above 30&nbsp;deg C, external oil cooling coil recommended to maintain oil below 90&nbsp;deg C limit.<\/p>\n<\/details>\n<details style=\"border:1px solid #d0daf0;border-radius:6px;margin-bottom:10px;\">\n<summary style=\"background:#f0f5ff;padding:14px;font-size:clamp(14px,2vw,18px);font-weight:bold;cursor:pointer;list-style:none;\">&#10067; What is the radial load capacity of the NMRV130 output shaft?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Up to <strong>12,076&nbsp;N<\/strong> at 100:1 &mdash; the highest in the compact NMRV series. Supports the largest industrial chain sprockets and heavy V-belt sheaves in overland conveyor systems without intermediate bearing pedestals.<\/p>\n<\/details>\n<details style=\"border:1px solid #d0daf0;border-radius:6px;margin-bottom:10px;\">\n<summary style=\"background:#f0f5ff;padding:14px;font-size:clamp(14px,2vw,18px);font-weight:bold;cursor:pointer;list-style:none;\">&#10067; What is the FA flange bolt pattern angle for the NMRV130?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\"><strong>22.5&nbsp;deg<\/strong> bolt pattern reference &mdash; unique in series (all others use 45&nbsp;deg). Pilot dia: 180&nbsp;mm, OD bolt circle: 280&nbsp;mm. Critical when designing the mating driven-machine flange.<\/p>\n<\/details>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"EP-NMRV130 Worm Gearbox\",\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":\"4.9\",\"reviewCount\":\"3\"},\"review\":[{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Grant Mackenzie\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"5\"},\"reviewBody\":\"Installed EP-NMRV130 on overland belt conveyor drives at our iron ore terminal in Port Hedland. At 48 kg versus 120 kg cast iron, installation time dropped from two days to six hours per unit. Fifteen months continuous, zero failures.\"},{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Hans-Peter Vogel\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"5\"},\"reviewBody\":\"Specified NMRV130 on large reactor vessel agitators in our chemical plant in Frankfurt. Centrifugally cast bronze wheel held up perfectly under 24-hour continuous high-viscosity blending for over a year.\"},{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Carlos Rodriguez\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"4.5\"},\"reviewBody\":\"Using NMRV130 for large clarifier rake drives in Buenos Aires. Self-locking at 80:1 holds rake on power loss. The 12,076 N radial load rating let us mount our chain drive directly without a separate pillow block.\"}]}<\/script><\/p>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;word-break:break-word;\">Customer Reviews<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin:16px 0;\">\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#fff;border:1px solid #d0daf0;border-radius:8px;padding:calc(2% + 10px);\">\n<p style=\"font-size:20px;color:#f5a623;margin:0;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);font-style:italic;\">&ldquo;Installed EP-NMRV130 on overland belt conveyor drives at our iron ore terminal in Port Hedland. At 48&nbsp;kg versus 120&nbsp;kg cast iron, installation time dropped from two days to six hours per unit. Fifteen months continuous, zero failures.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Grant Mackenzie &#127462;&#127482; &mdash; Operations Manager, Iron Ore Terminal, Australia<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#fff;border:1px solid #d0daf0;border-radius:8px;padding:calc(2% + 10px);\">\n<p style=\"font-size:20px;color:#f5a623;margin:0;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);font-style:italic;\">&ldquo;Specified NMRV130 on large reactor vessel agitators in our chemical plant in Frankfurt. The centrifugally cast bronze wheel held up perfectly under 24-hour continuous high-viscosity blending for over a year. Performance exceeds our specification.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Hans-Peter Vogel &#127465;&#127466; &mdash; Chief Engineer, Chemical Plant GmbH, Germany<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#fff;border:1px solid #d0daf0;border-radius:8px;padding:calc(2% + 10px);\">\n<p style=\"font-size:20px;color:#f5a623;margin:0;\">&#9733;&#9733;&#9733;&#9733;&#189;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);font-style:italic;\">&ldquo;Using NMRV130 for large clarifier rake drives at our water treatment facility in Buenos Aires. Self-locking at 80:1 holds rake position on power loss. The 12,076&nbsp;N radial load rating gave us confidence to mount chain drive directly without a separate pillow block.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Carlos Rodr\u00c3\u00adguez &#127462;&#127479; &mdash; Project Manager, Water Treatment, Argentina<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/worm-gearbox-factory-1.webp\" alt=\"Ever Power flagship NMRV130 worm gearbox production\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><\/p>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;word-break:break-word;\">Compatible Accessories &amp; Related Products<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;margin:12px 0;\">\n<div style=\"width:100%;max-width:280px;box-sizing:border-box;background:#f9fafb;border:1px solid #d0daf0;border-radius:6px;padding:calc(2% + 8px);\">\n<p style=\"font-size:22px;margin:0;\">&#128268;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">IEC B5\/B14 Motor Adaptors<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">IEC 132&ndash;160 frame adaptors for 5.5&ndash;9.2&nbsp;kW three-phase motors including IE3 high-efficiency and brake motor variants for major industrial drives.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:280px;box-sizing:border-box;background:#f9fafb;border:1px solid #d0daf0;border-radius:6px;padding:calc(2% + 8px);\">\n<p style=\"font-size:22px;margin:0;\">&#128259;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">FA Output Flange (180 mm Pilot)<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">180&nbsp;mm pilot diameter, 22.5&nbsp;deg bolt pattern reference (unique to NMRV130). Direct coupling to large conveyor pulley flanges, clarifier rake arms, and major pump mounting plates.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:280px;box-sizing:border-box;background:#f9fafb;border:1px solid #d0daf0;border-radius:6px;padding:calc(2% + 8px);\">\n<p style=\"font-size:22px;margin:0;\">&#128296;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Torque Arm (NRV130)<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Heavy-duty torque arm rated for sustained 2,500&nbsp;Nm reaction in shaft-mount conveyor drum and industrial drive configurations.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:280px;box-sizing:border-box;background:#f9fafb;border:1px solid #d0daf0;border-radius:6px;padding:calc(2% + 8px);\">\n<p style=\"font-size:22px;margin:0;\">&#9881;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">External Oil Cooling Coil<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Recommended for 24-hour heavy-duty operation in ambient above 30&nbsp;deg C &mdash; maintains oil below 90&nbsp;deg C in tropical Australian and high-ambient process environments.<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nmrv-worm-gearboxes-1.webp\" alt=\"EP-NMRV130 flagship worm gearbox\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nmrv-worm-gearbox-shaft-sizes.webp\" alt=\"NMRV130 output shaft dimension options\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nmrv-gearbox-torque-arm.webp\" alt=\"NMRV130 heavy-duty torque arm\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nmrv-worm-gearbox-protective-cover.webp\" alt=\"NMRV130 protective input cover\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><\/p>\n<div style=\"background:linear-gradient(135deg,#1a3c6e,#2a5caa);border-radius:10px;padding:calc(3% + 12px);margin-top:32px;text-align:center;\">\n<h2 style=\"color:#fff;font-size:clamp(18px,3vw,26px);margin:0 0 10px;\">Specify the EP-NMRV130 &mdash; Australia&#8217;s Premier Heavy-Duty Compact Worm Drive<\/h2>\n<p style=\"color:#d0e0ff;font-size:clamp(14px,2vw,18px);margin:0 0 20px;\">Competitive volume pricing, full technical application engineering, and OEM partnership arrangements for the EP-NMRV130 and the complete NMRV series from NMRV025 to NMRV130.<\/p>\n<p><a href=\"\/contact-us\/\" style=\"display:inline-block;background:#fff;color:#1a3c6e;font-weight:bold;padding:12px 32px;border-radius:6px;text-decoration:none;margin:6px;\">Request a Quote<\/a><br \/>\n<a href=\"\/about-us\/\" style=\"display:inline-block;background:transparent;color:#fff;font-weight:bold;padding:12px 32px;border-radius:6px;text-decoration:none;border:2px solid #fff;margin:6px;\">About Ever Power<\/a><\/p>\n<p style=\"color:#d0e0ff;font-size:clamp(13px,1.8vw,15px);margin:14px 0 0;\">&#9993; sales@nmrv050gearbox.top | OEM &amp; distributor enquiries welcome<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p style=\"font-size:clamp(14px,2vw + 10px,18px);word-break:break-word;\">Yang <strong>EP-NMRV130 Aluminum Worm Gearbox<\/strong> is the flagship of the NMRV series &mdash; delivering up to 2,500&nbsp;Nm output torque at 48&nbsp;kg across ratios of 7.5&ndash;100:1. With a 45&nbsp;mm output shaft, NEMA 140TC\/180TC\/210TC input compatibility, and a class-leading 12,076&nbsp;N radial load capacity, it is the most powerful compact aluminum worm gear reducer available. Built for overland bulk material conveyors, major process vessel agitation, and large-scale water infrastructure worldwide.<\/p>","protected":false},"featured_media":1174,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2465],"product_tag":[2470,2482,2479,2468,2466,2474,2467,2471],"class_list":{"0":"post-1263","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-nmrv-worm-gearbox","7":"product_tag-aluminum-worm-gearbox","8":"product_tag-heavy-duty-worm-reducer","9":"product_tag-high-torque-worm-gearbox","10":"product_tag-worm-gear-reducer","11":"product_tag-worm-gearbox","12":"product_tag-worm-gearmotor","13":"product_tag-worm-reducer","14":"product_tag-worm-speed-reducer","16":"first","17":"instock","18":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/nmrv050gearbox.top\/ms\/wp-json\/wp\/v2\/product\/1263","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv050gearbox.top\/ms\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv050gearbox.top\/ms\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ms\/wp-json\/wp\/v2\/comments?post=1263"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ms\/wp-json\/wp\/v2\/media\/1174"}],"wp:attachment":[{"href":"https:\/\/nmrv050gearbox.top\/ms\/wp-json\/wp\/v2\/media?parent=1263"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ms\/wp-json\/wp\/v2\/product_brand?post=1263"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ms\/wp-json\/wp\/v2\/product_cat?post=1263"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ms\/wp-json\/wp\/v2\/product_tag?post=1263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}