{"id":1271,"date":"2026-06-29T08:46:13","date_gmt":"2026-06-29T08:46:13","guid":{"rendered":"https:\/\/nmrv050gearbox.top\/product\/nrv110-worm-reducer-aluminum-worm-speed-reducer\/"},"modified":"2026-06-29T08:46:14","modified_gmt":"2026-06-29T08:46:14","slug":"nrv110-worm-reducer-aluminum-worm-speed-reducer","status":"publish","type":"product","link":"https:\/\/nmrv050gearbox.top\/uk\/product\/nrv110-worm-reducer-aluminum-worm-speed-reducer\/","title":{"rendered":"NRV110 Worm Reducer \u2013 Aluminum Worm Speed Reducer"},"content":{"rendered":"<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"EP-NRV110 Worm Reducer\",\"brand\":{\"@type\":\"Brand\",\"name\":\"EP\"},\"sku\":\"EP-NRV110\",\"description\":\"Industrial shaft-mount aluminum worm reducer 35 kg, ratios 7.5-100:1, up to 1200 Nm, 42 mm output shaft, no input shaft, IEC 132B\/NEMA 140TC\/180TC\/210TC input, suited to major ore conveyor and large process vessel drives.\",\"material\":\"Die-cast aluminum alloy, phosphor-bronze worm wheel\",\"category\":\"NRV Worm Reducer\",\"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;\">EP-NRV110 Worm Reducer &mdash; 1,200 Nm Shaft-Mount for Major Ore Conveyors &amp; Process Vessels<\/h2>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">The <strong>EP-NRV110 aluminum worm reducer<\/strong> represents the upper boundary of the compact shaft-mount NRV series in terms of torque capability &mdash; delivering up to <strong>1,200&nbsp;Nm<\/strong> of sustained output torque from a <strong>35&nbsp;kg<\/strong> housing. This level of torque in a shaft-mount configuration is particularly valuable for the head drives of major ore belt conveyors, where elevated gantry mounting makes foot-bracket fabrication expensive and coupling alignment in confined spaces a repeated maintenance challenge. At 35&nbsp;kg, the NRV110 can be installed and removed by a small team with a telehandler, versus the heavy crane required for floor-standing equivalents.<\/p>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">The NRV110&rsquo;s <strong>42&nbsp;mm H8 output shaft<\/strong> is the standard bore for heavy industrial couplings, large-bore sprockets, and pump impeller hubs in the 3&ndash;7.5&nbsp;kW motor class &mdash; and matches the output shaft of the NMRV110 foot-mount variant exactly, allowing interchangeable specification. Acceptance of NEMA 140TC, 180TC, and <strong>210TC<\/strong> input flanges alongside IEC 132B covers the full range of motors used in Australian mining and process industry applications, including the 4&ndash;5.5&nbsp;kW integral-horsepower motors common in mining ancillary equipment.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-1.webp\" alt=\"EP-NRV110 worm reducer industrial shaft-mount product view\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-dimensions.webp\" alt=\"EP-NRV110 worm reducer dimension drawing\" 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;\">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-NRV110<\/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;\">35 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 Output Torque (M2)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">Up to 1,200 Nm<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\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>\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 8,500 N<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Output Shaft Dia. (Metric)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">42 mm H8<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Output Shaft Dia. (Inch)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">1.625 in (&minus;0.0005)<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Keyway (output)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">12 &times; 45 mm<\/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<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Mounting Type<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">Shaft-mount (hollow bore) + torque arm<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Input Options<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">IEC 132B \/ NEMA 140TC, 180TC, 210TC<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Torque Arm<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">K1=240 mm, 24 mm pin dia.<\/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;\">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;\">Output Shaft dia.<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">42 mm H8<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">1.625 in<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px;border:1px solid #ddd;\">Keyway (output)<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">12 &times; 45 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">0.375 &times; 2.5 in<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\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>\n<td style=\"padding:8px;border:1px solid #ddd;\">Torque Arm K1<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">240 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">9.45 in<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:8px;border:1px solid #ddd;\">Pin Dia. (torque arm)<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">24 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">0.945 in<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px;border:1px solid #ddd;\">Max Radial Load<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">8,500 N<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">&mdash;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-2.webp\" alt=\"EP-NRV110 worm reducer second view\" 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;\">NRV110 vs. NMRV110 &mdash; Shaft-Mount vs. Foot-Mount<\/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-NRV110 (NRV Shaft-Mount)<\/th>\n<th style=\"padding:10px;border:1px solid #ccc;text-align:center;\">NMRV Foot-Mount<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Output Torque<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">1,200 Nm &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">1,200 Nm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Output Shaft Dia.<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">42 mm H8 (identical) &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">42 mm H8<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Mounting Method<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Hollow bore on shaft &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Foot bracket + coupling<\/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;\">Yes<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Elevated Platform Install<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Telehandler only &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Heavy crane required<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Coupling Alignment<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Not required &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Required at every service<\/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;\">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; 1,200 Nm &mdash; Major Conveyor Shaft-Mount Torque<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">1,200&nbsp;Nm from a shaft-mount reducer at 35&nbsp;kg allows major ore conveyor head drives to be configured without a dedicated foot-mount gearbox bracket and drive shaft coupling assembly. For the elevated gantry drives of Australian iron ore and bauxite conveyors, this directly reduces structural steel cost and simplifies regular inspection and replacement.<\/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; 8,500 N Radial Load &mdash; Largest in Compact NRV<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">The highest radial load rating in the compact NRV series. Supports direct mounting of ANSI No. 120 and No. 140 roller chain sprockets and heavy C and D-section V-belt sheaves without an outboard bearing pedestal &mdash; critical for the compact drive layouts of elevated mining conveyor platforms.<\/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; 42 mm Shaft &mdash; Heavy Industrial Standard<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">The 42&nbsp;mm H8 output shaft is the standard bore across heavy industrial couplings, large-bore sprockets, and the impeller hubs of centrifugal pumps in the 3&ndash;7.5&nbsp;kW class. Identical to the NMRV110 output shaft &mdash; interchangeable without any modification to the driven equipment.<\/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;\">&#128221; NEMA 210TC &mdash; 5.5 kW Motor Direct<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">One of the few compact shaft-mount worm reducers accepting NEMA 210TC, enabling direct mounting of 4&ndash;5.5&nbsp;kW integral-horsepower motors in the 210 frame common in Australian mining ancillary and heavy agricultural processing drives.<\/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; External Oil Cooling Option for 24h Duty<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">For continuous 24-hour operation in ambient above 30&nbsp;deg C, an external oil cooling coil maintains oil below the 90&nbsp;deg C limit &mdash; enabling the NRV110 to serve major processing plant agitator and conveyor drives running round-the-clock production schedules.<\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;\">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;\">Major Ore Belt Conveyors<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Head and tail drives for iron ore, bauxite, and coal belt conveyors on elevated gantry structures in Australian mining operations &mdash; 1,200&nbsp;Nm shaft-mount installation eliminates crane-dependent coupling alignment, reducing maintenance crew requirements on elevated platforms.<\/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;\">Large Process Vessel Drives<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Major reactor vessel agitators, large fertiliser mixing vessel drives, and ammonium nitrate solution agitator drives in Australian and global chemical and fertiliser plants &mdash; 1,200&nbsp;Nm handles high-viscosity product in sustained 20&ndash;24 hour daily operation.<\/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;\">Water &amp; Wastewater Infrastructure<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Large sludge thickener rake drives, gravity belt thickener drives, and major sluice gate actuators in Australian water authority treatment plants &mdash; self-locking at high ratios provides load-holding without a separate mechanical brake.<\/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;\">&#9961;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Heavy Agricultural &amp; Grain Terminals<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Large grain elevator boot drives, heavy bulk conveyor drives at Australian grain export terminals, and large-diameter grain dryer auger main drives &mdash; 1,200&nbsp;Nm handles the high inertia starting loads of heavily loaded bulk grain handling systems.<\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;\">Selection Guide &mdash; NRV110 Ratio Selection<\/h2>\n<ul style=\"font-size:clamp(14px,2vw,18px);line-height:2;\">\n<li><strong>Ratio 7.5&ndash;15:<\/strong> Higher-speed conveyor drives &mdash; 93&ndash;186 rpm, moderate torque.<\/li>\n<li><strong>Ratio 20&ndash;50:<\/strong> Standard heavy-duty conveyor and agitator drives &mdash; 28&ndash;70 rpm, 600&ndash;1,000 Nm.<\/li>\n<li><strong>Ratio 60&ndash;100:<\/strong> Gate actuators and thickener rake drives &mdash; 14&ndash;23 rpm, self-locking, up to 1,200 Nm.<\/li>\n<\/ul>\n<h3 style=\"font-size:clamp(16px,2.5vw,22px);color:#1a3c6e;margin-top:22px;\">Shaft &amp; Torque Arm Configuration<\/h3>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">Output: <strong>42&nbsp;mm H8 solid shaft<\/strong> with 12&times;45&nbsp;mm keyway and M16 threaded end. Inch: 1.625&nbsp;in. Hollow bore mounts directly onto driven shaft &mdash; specify driven shaft diameter at order. Torque arm K1=240&nbsp;mm, 24&nbsp;mm pin. Input: IEC 132B, NEMA 140TC, 180TC, or 210TC &mdash; specify at order.<\/p>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;\">Frequently Asked Questions<\/h2>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What output torque does the NRV110 deliver?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The EP-NRV110 delivers up to 1,200 Nm at a 100:1 ratio. This covers the head drives of major ore belt conveyors, large process vessel agitators, and heavy sludge thickener rake drives in Australian mining, chemical, and water infrastructure operations.\"}},{\"@type\":\"Question\",\"name\":\"What is the output shaft diameter of the NRV110?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV110 features a 42 mm H8 output shaft as standard, with a 1.625 inch inch-series option. The 42 mm shaft is the standard bore for heavy industrial couplings, large-bore sprockets, and pump impeller hubs in the 3 to 7.5 kW motor class used in Australian mining and process industry applications.\"}},{\"@type\":\"Question\",\"name\":\"Does the NRV110 accept NEMA 210TC input?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The NRV110 accepts IEC 132B input alongside NEMA 140TC, 180TC, and 210TC flanges. The NEMA 210TC acceptance is one of the few compact shaft-mount worm reducers to cover this frame size, enabling direct mounting of 4 to 5.5 kW integral-horsepower motors common in Australian mining ancillary drives.\"}},{\"@type\":\"Question\",\"name\":\"How is the NRV110 different from the NRV090?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV090 delivers up to 750 Nm at 13 kg with a 35 mm output shaft. The NRV110 steps up to approximately 1,200 Nm at 35 kg with a 42 mm output shaft, higher radial load capacity, and NEMA 210TC input acceptance. Select NRV110 for applications requiring over 750 Nm sustained output or a 42 mm driven-shaft interface.\"}},{\"@type\":\"Question\",\"name\":\"Can the NRV110 be used in a continuous 24-hour duty cycle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, subject to operating within rated P1 for the selected ratio and not exceeding the 90 degrees C oil temperature limit. For 24-hour continuous duty in ambient above 30 degrees C, an external oil cooling coil is recommended. Specify duty cycle and ambient temperature at order for thermal rating confirmation.\"}}]}<\/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 output torque does the NRV110 deliver?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Up to <strong>1,200&nbsp;Nm<\/strong> at 100:1 ratio &mdash; covers major ore belt conveyor head drives, large process vessel agitators, and heavy sludge thickener rake drives in Australian mining, chemical, and water infrastructure operations.<\/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 output shaft diameter of the NRV110?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\"><strong>42&nbsp;mm H8<\/strong> standard, 1.625&nbsp;in inch option. Standard bore for heavy industrial couplings, large-bore sprockets, and pump impeller hubs in the 3&ndash;7.5&nbsp;kW motor class.<\/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; Does the NRV110 accept NEMA 210TC input?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Yes &mdash; accepts IEC 132B alongside NEMA 140TC, 180TC, and 210TC, enabling direct mounting of 4&ndash;5.5&nbsp;kW integral-horsepower motors in the 210 frame common in Australian mining ancillary drives.<\/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; How is the NRV110 different from the NRV090?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">NRV090: 750&nbsp;Nm, 13&nbsp;kg, 35&nbsp;mm shaft. NRV110: ~1,200&nbsp;Nm, 35&nbsp;kg, 42&nbsp;mm shaft with 8,500&nbsp;N radial load and NEMA 210TC input. Select NRV110 for over 750&nbsp;Nm or a 42&nbsp;mm driven-shaft interface.<\/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; Can the NRV110 be used in continuous 24-hour duty?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Yes, within rated P1 and below 90&nbsp;deg C oil limit. External oil cooling coil recommended for ambient above 30&nbsp;deg C. Specify duty cycle and ambient temperature at order.<\/p>\n<\/details>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"EP-NRV110 Worm Reducer\",\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":\"4.8\",\"reviewCount\":\"3\"},\"review\":[{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Duncan Fraser\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"5\"},\"reviewBody\":\"Using NRV110 shaft-mount reducers on head drives of our bauxite belt conveyors in the Darling Range. The 42 mm shaft bolted directly onto our existing drum shaft stub without any modification. Shaft-mount cut our installation time by 60 percent compared to our previous foot-mount units. Sixteen months continuous, zero issues.\"},{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Isabelle Leclerc\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"5\"},\"reviewBody\":\"Installed NRV110 on large agitator drives at our fertiliser plant in Lyon. The 1,200 Nm output handles our ammonium nitrate solution agitation in 20-hour daily operation. NEMA 210TC input let us use our existing US-standard motors without any adaptor.\"},{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Wang Fei\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"4.5\"},\"reviewBody\":\"Used NRV110 on sludge thickener rake drives at our wastewater treatment plant in Wuhan. Self-locking at 80:1 holds the rake on power loss without a brake. The shaft-mount installation on our clarifier bridge was far simpler than the foot-mount units we replaced.\"}]}<\/script><\/p>\n<h2 style=\"font-size:clamp(18px,3vw,26px);color:#1a3c6e;border-bottom:3px solid #1a3c6e;padding-bottom:8px;\">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;Using NRV110 shaft-mount reducers on head drives of our bauxite belt conveyors in the Darling Range. The 42&nbsp;mm shaft bolted directly onto our existing drum shaft stub without modification. Shaft-mount cut our installation time by 60 percent compared to our previous foot-mount units. Sixteen months continuous, zero issues.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Duncan Fraser &#127462;&#127482; &mdash; Reliability Engineer, Bauxite Conveyor Operations, 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;Installed NRV110 on large agitator drives at our fertiliser plant in Lyon. 1,200&nbsp;Nm handles our ammonium nitrate solution agitation in 20-hour daily operation. NEMA 210TC input let us use our existing US-standard motors without any adaptor.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Isabelle Leclerc &#127467;&#127479; &mdash; Process Engineer, Fertiliser Plant, France<\/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;Used NRV110 on sludge thickener rake drives at our wastewater treatment plant in Wuhan. Self-locking at 80:1 holds the rake on power loss without a brake. The shaft-mount installation on our clarifier bridge was far simpler than the foot-mount units we replaced.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Wang Fei &#127464;&#127475; &mdash; Project Manager, Wastewater Treatment, China<\/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 NRV110 industrial worm reducer manufacturing\" 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;\">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 132B Motor Adaptors<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Direct motor mounting for 2.2&ndash;7.5&nbsp;kW motors in 132 frame &mdash; covers standard motor sizes for Australian mining ancillary, heavy agricultural, and process industry conveyor 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;\">&#128296;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Torque Arm (K1=240 mm)<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">24&nbsp;mm pin dia., M24 weld-on pin brackets. 240&nbsp;mm arm length for secure 1,200&nbsp;Nm anti-rotation on elevated mining conveyor gantry and industrial process vessel platforms.<\/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 continuous duty in ambient above 30&nbsp;deg C &mdash; maintains oil below 90&nbsp;deg C for round-the-clock mining and process plant conveyor 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;\">&#9881;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">NMRV110 Foot-Mount Variant<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">FA output flange (170&nbsp;mm pilot), NEMA 140TC\/180TC\/210TC input, and NSF H1 food-grade lubricant option &mdash; same 42&nbsp;mm shaft and 1,200&nbsp;Nm output as NRV110 for foot-mount installations.<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-torque-arm-dimensions.webp\" alt=\"NRV torque arm dimensions and mounting detail\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-shaft-dimensions.webp\" alt=\"NRV output shaft dimension detail\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-cover-dimensions.webp\" alt=\"NRV cover dimensions reference\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-reducer.webp\" alt=\"EP-NRV worm reducer product\" style=\"max-width:100%;height:auto;display:block;margin:16px auto;\" \/><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-reducers.webp\" alt=\"EP-NRV series worm reducers range\" 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-NRV110 for Your Major Industrial Drive<\/h2>\n<p style=\"color:#d0e0ff;font-size:clamp(14px,2vw,18px);margin:0 0 20px;\">Application support for ratio selection, driven shaft sizing, torque arm configuration, and thermal rating for Australian mining, water infrastructure, and heavy process industry OEM customers.<\/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><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 | Mining, process &amp; OEM enquiries welcome<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p style=\"font-size:clamp(14px,2vw + 10px,18px);word-break:break-word;\">The <strong>EP-NRV110 Aluminum Worm Reducer<\/strong> delivers up to 1,200&nbsp;Nm at 35&nbsp;kg across ratios of 7.5&ndash;100:1. An industrial shaft-mount worm speed reducer with no input shaft &mdash; IEC 132B or NEMA 140TC\/180TC\/210TC direct-mount, 42&nbsp;mm output shaft, 8,500&nbsp;N radial load capacity, and K1=240&nbsp;mm torque arm. Built for major ore conveyor head drives, large process vessel agitators, sludge thickener rake drives, and heavy grain terminal equipment in Australia and global mining markets.<\/p>","protected":false},"featured_media":1178,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2483],"product_tag":[2497,2478,2486,2496,2484,2468,2467,2471],"class_list":{"0":"post-1271","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-nrv-worm-reducer","7":"product_tag-heavy-industrial-worm-reducer","8":"product_tag-industrial-worm-reducer","9":"product_tag-nrv-worm-reducer","10":"product_tag-ore-conveyor-worm-reducer","11":"product_tag-shaft-mount-worm-reducer","12":"product_tag-worm-gear-reducer","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\/uk\/wp-json\/wp\/v2\/product\/1271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv050gearbox.top\/uk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv050gearbox.top\/uk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/uk\/wp-json\/wp\/v2\/comments?post=1271"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/uk\/wp-json\/wp\/v2\/media\/1178"}],"wp:attachment":[{"href":"https:\/\/nmrv050gearbox.top\/uk\/wp-json\/wp\/v2\/media?parent=1271"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/uk\/wp-json\/wp\/v2\/product_brand?post=1271"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/uk\/wp-json\/wp\/v2\/product_cat?post=1271"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/uk\/wp-json\/wp\/v2\/product_tag?post=1271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}