{"id":1265,"date":"2026-06-29T08:46:07","date_gmt":"2026-06-29T08:46:07","guid":{"rendered":"https:\/\/nmrv050gearbox.top\/product\/nrv030-worm-reducer-aluminum-worm-speed-reducer\/"},"modified":"2026-06-29T08:46:07","modified_gmt":"2026-06-29T08:46:07","slug":"nrv030-worm-reducer-aluminum-worm-speed-reducer","status":"publish","type":"product","link":"https:\/\/nmrv050gearbox.top\/de\/produkt\/nrv030-worm-reducer-aluminum-worm-speed-reducer\/","title":{"rendered":"NRV030 Worm Reducer \u2013 Aluminum Worm Speed Reducer"},"content":{"rendered":"<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"EP-NRV030 Worm Reducer\",\"brand\":{\"@type\":\"Brand\",\"name\":\"EP\"},\"sku\":\"EP-NRV030\",\"description\":\"Shaft-mount aluminum worm reducer 1.1 kg, ratios 5-60:1, up to 28 Nm, 14 mm output shaft, no input shaft, torque arm mounting, ideal for light industrial conveyors and packaging machinery.\",\"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-NRV030 Worm Reducer &mdash; 28 Nm Shaft-Mount Worm Speed Reducer for Light Industrial Drives<\/h2>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">The <strong>EP-NRV030 aluminum worm reducer<\/strong> is the second-smallest unit in Ever Power&rsquo;s NRV shaft-mount series &mdash; doubling the output torque of the NRV025 while adding just 0.6&nbsp;kg of housing weight. At <strong>1.1&nbsp;kg<\/strong> and up to <strong>28&nbsp;Nm<\/strong> output torque, the NRV030 covers the light industrial drive segment: small packaging line conveyors, light pharmaceutical blending vessel agitators, and compact warehouse automation conveyor systems where direct shaft mounting eliminates the coupling alignment procedures that cause premature bearing failures in high-cycle packaging machinery.<\/p>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">The NRV030&rsquo;s <strong>14&nbsp;mm H8 output shaft<\/strong> is the standard bore size for small conveyor roller shafts, light-duty chain sprocket hubs, and compact indexing table drive studs &mdash; eliminating adapter bushings in the majority of standard light industrial drive applications. With ratios from 5:1 to 60:1, the NRV030 covers output speeds from 23&nbsp;rpm (high-torque slow agitation) to 280&nbsp;rpm (fast conveyor belt drive) from a single compact housing type.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-1.webp\" alt=\"EP-NRV030 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-NRV030 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-NRV030<\/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;\">1.1 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<\/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 28 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;\">23 &ndash; 280 rpm (at 1400 rpm input)<\/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;\">14 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;\">0.625 in (&minus;0.0005)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Keyway (output)<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">5 &times; 16.3 mm<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\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>\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 style=\"background:#f5f7fa;\">\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>\n<td style=\"padding:9px;border:1px solid #ddd;\">Input Options<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">IEC 63B, 71B flange \/ NEMA 48C, 56C<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Torque Arm<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;\">K1=100 mm, 10 mm pin dia.<\/td>\n<\/tr>\n<tr>\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 style=\"background:#f5f7fa;\">\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;\">14 mm H8<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">0.625 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;\">5 &times; 16.3 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">0.187 &times; 1.0 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;\">25 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;\">100 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">3.94 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;\">10 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">0.394 in<\/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-NRV030 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;\">NRV030 vs. NMRV030 &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-NRV030 (NRV)<\/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;\">Installation Clearance<\/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;\">Larger (bracket height)<\/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<\/td>\n<\/tr>\n<tr style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Shaft Seals<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Output only &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Input + output<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Best For<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">High-cycle OEM drives &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">General industrial use<\/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; 28 Nm from a 1.1 kg Housing<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">Twice the output torque of the NRV025 in a housing that weighs 1.1&nbsp;kg &mdash; covers the full range of light industrial conveyor and agitator drives in Australian food processing and pharmaceutical packaging facilities without requiring structural frame reinforcement.<\/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; 14 mm Standard Output Shaft<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">Matches the bore of standard small conveyor roller shafts, light-duty chain sprocket hubs, and compact indexing table drive studs &mdash; eliminating adapter bushings in the majority of standard light industrial drive 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;\">&#128200; No Input Shaft &mdash; IEC Direct Mount<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">IEC 63B and 71B input flanges accept 0.06&ndash;0.25&nbsp;kW motors directly without a separate adaptor plate. NEMA 48C and 56C input flanges also available for North American motor standards common in Australian mining OEM 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; K1=100 mm Torque Arm<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">The 100&nbsp;mm torque arm with 10&nbsp;mm pin provides the anti-rotation connection to the machine frame. Compatible with standard M10 weld-on pin brackets and extrusion frame accessories without custom fabrication.<\/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; Self-Locking at High Ratios<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">The NRV030 worm gear geometry is inherently self-locking at ratios of 30:1 and above &mdash; the driven load cannot back-drive the motor, eliminating the need for a separate load-holding brake on slow-speed conveyor tensioners and gate actuators.<\/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;\">&#127981;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Food &amp; Packaging Conveyors<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Small belt conveyor drives, case conveyor transfer drives, and tray indexing drives in Australian food processing facilities &mdash; IP54 housing and corrosion-resistant aluminum withstand regular washdown without sealing degradation.<\/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;\">Pharmaceutical Blending<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Light vessel agitators, tablet coating pan drives, and granulator bowl drives in pharmaceutical manufacturing &mdash; 28&nbsp;Nm output and compact 1.1&nbsp;kg housing allow direct top-mounting on small vessel frames.<\/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;\">Warehouse Automation<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Small conveyor belt drives, diverter paddle drives, and pick-station indexing drives in e-commerce fulfilment centres &mdash; shaft-mount eliminates the coupling alignment issues that cause early failures in high-cycle warehouse automation systems.<\/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;\">&#128200;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Agricultural Machinery Ancillaries<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Small feeder auger drives, seed metering unit drives, and fertiliser spreader shaft drives &mdash; the NRV030 handles light agricultural drive loads in compact, weight-sensitive machinery where foot-mount brackets are impractical.<\/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; NRV030 Ratio Selection<\/h2>\n<ul style=\"font-size:clamp(14px,2vw,18px);line-height:2;\">\n<li><strong>Ratio 5&ndash;10:<\/strong> Fast conveyor belt and feed roller drives &mdash; 140&ndash;280 rpm.<\/li>\n<li><strong>Ratio 15&ndash;25:<\/strong> Standard packaging and processing drives &mdash; 56&ndash;93 rpm, 14&ndash;20 Nm.<\/li>\n<li><strong>Ratio 30&ndash;60:<\/strong> Slow agitators, gate actuators &mdash; 23&ndash;47 rpm, self-locking above 30:1, up to 28 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>14&nbsp;mm H8 solid shaft<\/strong> with 5&times;16.3&nbsp;mm keyway. Inch option: 0.625&nbsp;in. Hollow bore mounts directly onto driven shaft &mdash; specify driven shaft diameter at order. Torque arm K1=100&nbsp;mm, 10&nbsp;mm pin. Input: IEC 63B, 71B, NEMA 48C, or 56C &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 NRV030 deliver?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The EP-NRV030 delivers up to 28 Nm at a 60:1 ratio. This is almost double the output of the NRV025 and covers a wider range of conveyor belt drives, small elevator drives, and light agitator applications common in Australian food processing and packaging facilities.\"}},{\"@type\":\"Question\",\"name\":\"What is the output shaft diameter of the NRV030?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV030 features a 14 mm H8 output shaft as standard, with a 0.625 inch option for inch-series driven shafts. The 14 mm diameter matches standard small conveyor roller shaft bores and light-duty sprocket hubs common in packaging machinery.\"}},{\"@type\":\"Question\",\"name\":\"Can the NRV030 be used in continuous duty?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The NRV030 is rated for continuous S1 duty at ambient temperatures up to 40 degrees C. For applications with frequent starts and stops or reversing operation, apply a service factor of 1.5 to 2.0 and select accordingly from the output torque table.\"}},{\"@type\":\"Question\",\"name\":\"How does the NRV030 torque arm connect to the machine frame?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV030 torque arm has a K1=100 mm arm length with a 10 mm diameter pin hole at the end. This pin engages a fixed bracket welded or bolted to the machine frame, resisting the reaction torque from the worm gear reduction and preventing housing rotation.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between NRV030 and NRV040?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV030 delivers up to 28 Nm at 1.1 kg with a 14 mm output shaft. The NRV040 steps up to approximately 75 Nm at 2.1 kg with an 18 mm output shaft and higher radial load capacity. Select NRV040 for applications requiring over 28 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 NRV030 deliver?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Up to <strong>28&nbsp;Nm<\/strong> at 60:1 ratio &mdash; almost double the NRV025 output. Covers light industrial conveyor belt drives, small elevator drives, and light agitator 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 is the output shaft diameter of the NRV030?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">The NRV030 features a <strong>14&nbsp;mm H8<\/strong> output shaft as standard. Inch option: 0.625&nbsp;in. Matches standard small conveyor roller shaft bores and light-duty sprocket hubs common in packaging 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; Can the NRV030 be used in continuous duty?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Yes &mdash; rated for continuous S1 duty at ambient up to 40&nbsp;deg C. For frequent starts, stops, or reversing, apply a service factor of 1.5&ndash;2.0 and select accordingly.<\/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 does the NRV030 torque arm connect to the machine frame?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">K1=100&nbsp;mm arm with a 10&nbsp;mm diameter pin hole engages a fixed bracket on the machine frame, preventing housing rotation under load.<\/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 NRV030 and NRV040?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">NRV030: 28&nbsp;Nm, 1.1&nbsp;kg, 14&nbsp;mm shaft. NRV040: ~75&nbsp;Nm, 2.1&nbsp;kg, 18&nbsp;mm shaft with higher radial load. Select NRV040 for applications requiring over 28&nbsp;Nm.<\/p>\n<\/details>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"EP-NRV030 Worm Reducer\",\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":\"4.8\",\"reviewCount\":\"3\"},\"review\":[{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Emma Whitfield\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"5\"},\"reviewBody\":\"We use NRV030 reducers on small conveyor belt drives throughout our snack food packaging plant in Adelaide. The shaft-mount configuration eliminated the coupling alignment steps that were causing early bearing failures. Excellent product.\"},{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Javier Morales\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"5\"},\"reviewBody\":\"Installed NRV030 units on light agitator drives at our pharmaceutical blending facility in Mexico City. The compact housing fits our vessel top mounting without structural modification. Very satisfied.\"},{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Wang Jianfeng\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"4.5\"},\"reviewBody\":\"Used NRV030 on small elevator drives in our warehouse automation system in Shenzhen. Shaft-mount saves installation time and the 14 mm shaft matched our drive drum bore exactly.\"}]}<\/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;We use NRV030 reducers on small conveyor belt drives throughout our snack food packaging plant in Adelaide. The shaft-mount configuration eliminated the coupling alignment steps that were causing early bearing failures. Excellent product.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Emma Whitfield &#127462;&#127482; &mdash; Production Engineer, Snack Food 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 NRV030 units on light agitator drives at our pharmaceutical blending facility in Mexico City. The compact housing fits our vessel top mounting without structural modification. Very satisfied.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Javier Morales &#127487;&#127485; &mdash; Process Engineer, Pharmaceutical Plant, Mexico<\/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 NRV030 on small elevator drives in our warehouse automation system in Shenzhen. Shaft-mount saves installation time and the 14&nbsp;mm shaft matched our drive drum bore exactly.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Wang Jianfeng &#127464;&#127475; &mdash; Automation Engineer, Logistics Co., 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 NRV030 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 63B\/71B Motor Adaptors<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Direct motor mounting flanges for 0.06&ndash;0.25&nbsp;kW three-phase and single-phase motors in 63 and 71 frame &mdash; no separate adaptor plate required.<\/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=100 mm)<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Standard torque arm for NRV030 &mdash; 10&nbsp;mm pin dia., fits standard M10 weld-on pin brackets and extrusion frame accessories.<\/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;\">NRV040 Upgrade<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">For applications requiring over 28&nbsp;Nm, the NRV040 provides up to ~75&nbsp;Nm in the same shaft-mount configuration with an 18&nbsp;mm output shaft.<\/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;\">NMRV030 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 NMRV030 provides the same gear ratio and torque range with a standard base and input shaft.<\/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=\"EP-NRV030 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=\"EP-NRV030 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=\"EP-NRV030 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-NRV030 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 lineup\" 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-NRV030 for Your Light 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, and torque arm configuration for Australian OEM, food processing, and packaging 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-NRV030 Aluminum Worm Reducer<\/strong> delivers up to 28&nbsp;Nm at 1.1&nbsp;kg with a 14&nbsp;mm output shaft. A true shaft-mount worm speed reducer with no input shaft &mdash; mounts directly onto conveyor roller shafts, agitator vessel stubs, and small automation drive shafts using a hollow bore and K1=100&nbsp;mm torque arm. Ideal for light industrial conveyors, pharmaceutical blending, and warehouse automation in Australia and global 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":[2485,2489,2488,2486,2484,2468,2467,2471],"class_list":{"0":"post-1265","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-conveyor-worm-reducer","9":"product_tag-light-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\/de\/wp-json\/wp\/v2\/product\/1265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv050gearbox.top\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv050gearbox.top\/de\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/de\/wp-json\/wp\/v2\/comments?post=1265"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/de\/wp-json\/wp\/v2\/media\/1178"}],"wp:attachment":[{"href":"https:\/\/nmrv050gearbox.top\/de\/wp-json\/wp\/v2\/media?parent=1265"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/de\/wp-json\/wp\/v2\/product_brand?post=1265"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/de\/wp-json\/wp\/v2\/product_cat?post=1265"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/de\/wp-json\/wp\/v2\/product_tag?post=1265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}