{"id":1267,"date":"2026-06-29T08:46:10","date_gmt":"2026-06-29T08:46:10","guid":{"rendered":"https:\/\/nmrv050gearbox.top\/product\/nrv050-worm-reducer-aluminum-worm-speed-reducer\/"},"modified":"2026-06-29T08:46:10","modified_gmt":"2026-06-29T08:46:10","slug":"nrv050-worm-reducer-aluminum-worm-speed-reducer","status":"publish","type":"product","link":"https:\/\/nmrv050gearbox.top\/ta\/product\/nrv050-worm-reducer-aluminum-worm-speed-reducer\/","title":{"rendered":"NRV050 Worm Reducer \u2013 Aluminum Worm Speed Reducer"},"content":{"rendered":"<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"EP-NRV050 Worm Reducer\",\"brand\":{\"@type\":\"Brand\",\"name\":\"EP\"},\"sku\":\"EP-NRV050\",\"description\":\"Shaft-mount aluminum worm reducer 3.5 kg, ratios 5-100:1, up to 180 Nm, 25 mm output shaft, no input shaft, IEC 80B\/90B\/NEMA 56C\/140TC input, suited to food processing and industrial conveyor 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-NRV050 Worm Reducer &mdash; 180 Nm Shaft-Mount Worm Speed Reducer with 100:1 Ratio Capability<\/h2>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">The <strong>EP-NRV050 aluminum worm reducer<\/strong> is the first unit in the NRV series to reach genuine industrial-duty torque &mdash; delivering up to <strong>180&nbsp;Nm<\/strong> from a housing that weighs just <strong>3.5&nbsp;kg<\/strong>. It is also the first model to extend the ratio range to <strong>100:1<\/strong>, providing output speeds as low as 14&nbsp;rpm from a standard 1400&nbsp;rpm motor input with full self-locking at those high ratios. For Australian food processing plants, grain handling facilities, and light industrial machinery builders, the NRV050 covers the broad middle ground between compact light-duty reducers and heavy industrial gearboxes.<\/p>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">The NRV050&rsquo;s <strong>25&nbsp;mm H8 output shaft<\/strong> is a standard bore across industrial chain sprockets, medium timing pulleys, and centrifugal pump impellers in the 0.55&ndash;1.5&nbsp;kW motor class &mdash; eliminating adapter bushings in the majority of Australian medium industrial drive applications. With IEC 80B\/90B and NEMA 56C\/140TC input flanges, the NRV050 accepts both metric and imperial motor standards, covering the full range of motors used in Australian food, agricultural, and general industrial processing facilities.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-1.webp\" alt=\"EP-NRV050 worm reducer 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-NRV050 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-NRV050<\/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;\">3.5 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;\">5, 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 180 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; 280 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 2,840 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;\">25 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;\">1.0 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;\">8 &times; 28 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 80B, 90B \/ NEMA 56C, 140TC<\/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=130 mm, 14 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;\">25 mm H8<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">1.0 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;\">8 &times; 28 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">0.25 &times; 1.375 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;\">40 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;\">130 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">5.12 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;\">14 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">0.551 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;\">2,840 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-NRV050 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;\">NRV050 vs. NMRV050 &mdash; Shaft-Mount Advantages<\/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-NRV050 (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;\">Mounting Method<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Hollow bore on driven shaft &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Foot bracket + shaft coupling<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Input Shaft<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">None (motor flange direct) &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Yes (requires coupling)<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Max Ratio<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">100:1 &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">100:1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">NEMA 140TC 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;\">Installation Height<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Minimum &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Higher (bracket)<\/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 installation<\/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; 180 Nm &mdash; Full Industrial Torque at 3.5 kg<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">180&nbsp;Nm output torque from a 3.5&nbsp;kg housing enters the full industrial torque tier. For elevated machine installations in Australian food processing and pharmaceutical plants, the ability to deliver this torque without a heavy foot-mount bracket and coupling assembly directly reduces structural steel and installation 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;\">&#128293; 100:1 Ratio &mdash; Maximum Speed Reduction<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">The NRV050 is the first NRV model to reach 100:1 gear ratio, providing 14&nbsp;rpm output from a 1400&nbsp;rpm motor with inherent self-locking at 80:1 and above. Used in slow metering augers, food conveyor tensioners, and gate\/valve actuators requiring load-holding without a separate mechanical brake.<\/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; 25 mm Standard Industrial Shaft<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">The 25&nbsp;mm H8 shaft matches standard bore dimensions for ANSI No. 60 and No. 80 roller chain sprockets, medium timing pulleys, and the impeller hubs of centrifugal water and product pumps in the 0.55&ndash;1.5&nbsp;kW class &mdash; eliminating bushing adaptors in the majority of medium industrial applications.<\/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; 2,840 N Radial Load Capacity<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">Sufficient to support direct chain sprocket or V-belt pulley mounting on the output shaft without an intermediate outboard bearing support &mdash; simplifying conveyor drive layout and reducing component count in Australian food processing plant conveyor systems.<\/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; IEC + NEMA Dual Standard Input<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">IEC 80B\/90B and NEMA 56C\/140TC input flange options in the same housing accommodate both European and North American motor standards &mdash; covering the full range of replacement motor sourcing scenarios common in Australian industrial maintenance environments.<\/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;\">&#127881;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Food Processing Conveyors<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Industrial conveyor belt head drives, large tray conveyor drives, and product flow metering belt drives in Australian food and beverage processing plants &mdash; 180&nbsp;Nm covers the full range of medium food processing conveyor applications.<\/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;\">&#127807;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Grain &amp; Agricultural Processing<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Grain auger metering drives, large seed metering rolls, and paddle feeder drives in Australian grain handling and agricultural processing facilities &mdash; 100:1 self-locking ratio holds loaded auger position 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;\">&#9881;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Industrial Mixing &amp; Agitation<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Medium-viscosity food product mixer agitators, industrial adhesive blending vessel drives, and continuous stirred tank reactor (CSTR) agitators &mdash; 180&nbsp;Nm handles medium-viscosity product without high-inertia start load damage.<\/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; Irrigation Infrastructure<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Small sluice gate actuators, irrigation valve actuator drives, and small pump station gate drives in Australian rural water authority infrastructure &mdash; self-locking at 80:1 and 100:1 eliminates separate gate locking mechanisms.<\/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; NRV050 Ratio Selection<\/h2>\n<ul style=\"font-size:clamp(14px,2vw,18px);line-height:2;\">\n<li><strong>Ratio 5&ndash;15:<\/strong> Fast conveyor and pump drives &mdash; 93&ndash;280 rpm, lower torque.<\/li>\n<li><strong>Ratio 20&ndash;50:<\/strong> Standard processing and agitator drives &mdash; 28&ndash;70 rpm, 80&ndash;150 Nm.<\/li>\n<li><strong>Ratio 60&ndash;100:<\/strong> Slow metering and actuator drives &mdash; 14&ndash;23 rpm, self-locking, up to 180 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>25&nbsp;mm H8 solid shaft<\/strong> with 8&times;28&nbsp;mm keyway and M10 threaded end. Inch: 1.0&nbsp;in shaft. Hollow bore mounts directly onto driven shaft &mdash; specify driven shaft diameter at order. Torque arm K1=130&nbsp;mm, 14&nbsp;mm pin. Input: IEC 80B, 90B, NEMA 56C, or 140TC &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 NRV050 deliver?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The EP-NRV050 delivers up to 180 Nm at a 100:1 ratio. This covers heavy conveyor belt head drives, medium industrial agitators, and large-volume food mixing vessel drives in Australian food processing and agricultural facilities.\"}},{\"@type\":\"Question\",\"name\":\"What is the output shaft diameter of the NRV050?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV050 features a 25 mm H8 output shaft as standard, with a 1.0 inch option for inch-series applications. The 25 mm shaft matches the bore of standard industrial chain sprockets, medium timing pulleys, and centrifugal pump impellers in the 0.55 to 1.5 kW motor class.\"}},{\"@type\":\"Question\",\"name\":\"Does the NRV050 extend to 100:1 ratio?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The NRV050 offers ratios from 5:1 to 100:1 including 80:1 and 100:1. These high ratios are self-locking and deliver maximum output torque of up to 180 Nm at minimum output speed, used in slow conveyor drives, auger metering systems, and gate actuators where load holding on power loss is required.\"}},{\"@type\":\"Question\",\"name\":\"What input flanges does the NRV050 accept?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV050 accepts IEC 80B and 90B input flanges as standard, covering motors from 0.18 to 1.1 kW. NEMA 56C and 140TC are also available, making the NRV050 compatible with both metric and imperial motor standards common in Australian food and agricultural processing machinery.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between NRV050 and NRV063?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV050 delivers up to 180 Nm at 3.5 kg with a 25 mm output shaft and up to 2840 N radial load. The NRV063 steps up to approximately 300 Nm at 6.2 kg with a 30 mm output shaft and higher radial load capacity. Select NRV063 for applications requiring over 180 Nm sustained output.\"}}]}<\/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 NRV050 deliver?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Up to <strong>180&nbsp;Nm<\/strong> at 100:1 ratio &mdash; covers heavy conveyor belt head drives, medium industrial agitators, and large-volume food mixing vessel 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; What is the output shaft diameter of the NRV050?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\"><strong>25&nbsp;mm H8<\/strong> standard, 1.0&nbsp;in inch option. Matches industrial chain sprockets, medium timing pulleys, and centrifugal pump impellers in the 0.55&ndash;1.5&nbsp;kW 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 NRV050 extend to 100:1 ratio?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Yes &mdash; ratios up to 100:1 available, self-locking at 80:1 and above. Delivers 14&nbsp;rpm output at 1400&nbsp;rpm motor input. Used in slow metering drives, gate actuators, and load-holding applications.<\/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 input flanges does the NRV050 accept?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">IEC 80B and 90B (0.18&ndash;1.1&nbsp;kW), plus NEMA 56C and 140TC &mdash; covers both metric and imperial motor standards common in Australian food and agricultural processing machinery.<\/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 difference between NRV050 and NRV063?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">NRV050: 180&nbsp;Nm, 3.5&nbsp;kg, 25&nbsp;mm shaft, 2,840&nbsp;N radial load. NRV063: ~300&nbsp;Nm, 6.2&nbsp;kg, 30&nbsp;mm shaft with higher radial load. Select NRV063 for over 180&nbsp;Nm sustained output.<\/p>\n<\/details>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"EP-NRV050 Worm Reducer\",\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":\"4.9\",\"reviewCount\":\"3\"},\"review\":[{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Chris Hennessy\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"5\"},\"reviewBody\":\"Using NRV050 shaft-mount reducers on our industrial dough mixer drives at our bakery plant in Brisbane. The 25 mm shaft matched our mixer shaft bore perfectly. Eighteen months of 20-hour daily operation with zero issues.\"},{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Maria Santos\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"5\"},\"reviewBody\":\"Installed NRV050 on conveyor belt head drives in our vegetable processing plant in Sao Paulo. The shaft-mount configuration eliminated the coupling alignment issues we had with our old foot-mount reducers. Excellent build quality.\"},{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Zhang Ping\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"4.5\"},\"reviewBody\":\"Used NRV050 on large auger metering drives in our grain processing facility. Self-locking at 100:1 holds auger position on power loss without a brake. The 25 mm shaft and 180 Nm rating are exactly what our system required.\"}]}<\/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 NRV050 shaft-mount reducers on our industrial dough mixer drives at our bakery plant in Brisbane. The 25&nbsp;mm shaft matched our mixer shaft bore perfectly. Eighteen months of 20-hour daily operation with zero issues.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Chris Hennessy &#127462;&#127482; &mdash; Production Manager, Bakery Plant, 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 NRV050 on conveyor belt head drives in our vegetable processing plant in Sao Paulo. Shaft-mount eliminated coupling alignment issues we had with old foot-mount reducers. Excellent build quality.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Maria Santos &#127463;&#127479; &mdash; Maintenance Manager, Vegetable Processing, Brazil<\/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 NRV050 on large auger metering drives in our grain processing facility. Self-locking at 100:1 holds auger position on power loss without a brake. The 25&nbsp;mm shaft and 180&nbsp;Nm rating were exactly what our system required.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Zhang Ping &#127464;&#127475; &mdash; Engineering Manager, Grain Processing Co., China<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/worm-gearbox-factory.webp\" alt=\"Ever Power NRV050 worm reducer 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;\">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 80B\/90B Motor Adaptors<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Direct motor mounting for 0.18&ndash;1.1&nbsp;kW motors in 80 and 90 frame &mdash; covers standard single-phase and three-phase motors used in Australian food processing and agricultural machinery.<\/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=130 mm)<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">14&nbsp;mm pin dia., M14 weld-on pin brackets. Provides positive anti-rotation connection compatible with standard machine frame profiles.<\/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;\">NRV063 Upgrade<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">For applications requiring over 180&nbsp;Nm, the NRV063 provides up to ~300&nbsp;Nm with a 30&nbsp;mm shaft in the same shaft-mount configuration.<\/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;\">NMRV050 Foot-Mount Variant<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">If foot-mount installation is preferred, the NMRV050 provides equivalent torque and ratio range with a standard base, input shaft, and NSF H1 food-grade lubricant option.<\/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-NRV050 for Your Industrial Drive<\/h2>\n<p style=\"color:#d0e0ff;font-size:clamp(14px,2vw,18px);margin:0 0 20px;\">Application support for ratio selection, shaft sizing, and torque arm configuration for Australian food processing, agricultural, and OEM industry 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 | 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;\">The <strong>EP-NRV050 Aluminum Worm Reducer<\/strong> delivers up to 180&nbsp;Nm at 3.5&nbsp;kg across ratios of 5&ndash;100:1. A shaft-mount worm speed reducer with no input shaft &mdash; IEC 80B\/90B or NEMA 56C\/140TC motor direct-mount, hollow bore shaft installation, and K1=130&nbsp;mm torque arm. Suited to food processing conveyors, grain auger metering drives, industrial agitators, and irrigation gate actuators in Australia and global industrial 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":[2485,2492,2478,2486,2484,2468,2467,2471],"class_list":{"0":"post-1267","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-nrv-worm-reducer","7":"product_tag-aluminum-worm-reducer","8":"product_tag-food-processing-worm-reducer","9":"product_tag-industrial-worm-reducer","10":"product_tag-nrv-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\/ta\/wp-json\/wp\/v2\/product\/1267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv050gearbox.top\/ta\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv050gearbox.top\/ta\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ta\/wp-json\/wp\/v2\/comments?post=1267"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ta\/wp-json\/wp\/v2\/media\/1178"}],"wp:attachment":[{"href":"https:\/\/nmrv050gearbox.top\/ta\/wp-json\/wp\/v2\/media?parent=1267"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ta\/wp-json\/wp\/v2\/product_brand?post=1267"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ta\/wp-json\/wp\/v2\/product_cat?post=1267"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ta\/wp-json\/wp\/v2\/product_tag?post=1267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}