{"id":1268,"date":"2026-06-29T08:46:10","date_gmt":"2026-06-29T08:46:10","guid":{"rendered":"https:\/\/nmrv050gearbox.top\/product\/nrv063-worm-reducer-aluminum-worm-speed-reducer\/"},"modified":"2026-06-29T08:46:10","modified_gmt":"2026-06-29T08:46:10","slug":"nrv063-worm-reducer-aluminum-worm-speed-reducer","status":"publish","type":"product","link":"https:\/\/nmrv050gearbox.top\/ur\/product\/nrv063-worm-reducer-aluminum-worm-speed-reducer\/","title":{"rendered":"NRV063 Worm Reducer \u2013 Aluminum Worm Speed Reducer"},"content":{"rendered":"<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"EP-NRV063 Worm Reducer\",\"brand\":{\"@type\":\"Brand\",\"name\":\"EP\"},\"sku\":\"EP-NRV063\",\"description\":\"Shaft-mount aluminum worm reducer 6.2 kg, ratios 7.5-100:1, up to 300 Nm, 30 mm output shaft, no input shaft, IEC 90B\/100B\/NEMA 56C\/140TC input, suited to heavy conveyor and agitator 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-NRV063 Worm Reducer &mdash; 300 Nm Heavy-Duty Shaft-Mount Worm Speed Reducer<\/h2>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">The <strong>EP-NRV063 aluminum worm reducer<\/strong> steps into heavy-duty territory within the NRV shaft-mount series &mdash; delivering up to <strong>300&nbsp;Nm<\/strong> of sustained output torque from a housing weighing just <strong>6.2&nbsp;kg<\/strong>. This torque level covers the demanding applications that exceed the NRV050&rsquo;s capability: heavy industrial conveyor head drives, large agitator vessel drives in food ingredient production, and irrigation pump actuators in Australian rural water infrastructure. The NRV063 provides all of this without the foot bracket, shaft coupling, and alignment procedure required by foot-mount equivalents.<\/p>\n<p style=\"font-size:clamp(14px,2vw,18px);line-height:1.8;word-break:break-word;\">The NRV063&rsquo;s <strong>30&nbsp;mm H8 output shaft<\/strong> is the standard bore for heavy-duty industrial chain sprockets, large timing pulleys, and centrifugal pump impellers in the 0.75&ndash;2.2&nbsp;kW motor class. With <strong>4,100&nbsp;N radial load capacity<\/strong>, it supports direct chain sprocket and V-belt sheave mounting without an outboard bearing support &mdash; the highest radial load rating among the compact NRV shaft-mount reducers in this torque range. IEC 90B\/100B and NEMA 56C\/140TC input flanges ensure compatibility with both metric and imperial motors, covering the full range of motor standards used in Australian food processing, agricultural OEM, and mining support equipment.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv050gearbox.top\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-1.webp\" alt=\"EP-NRV063 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-NRV063 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-NRV063<\/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;\">6.2 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 300 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 4,100 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;\">30 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;\">1.125 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; 32 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 90B, 100B \/ 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=150 mm, 16 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;\">30 mm H8<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">1.125 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; 32 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">0.25 &times; 1.625 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;\">50 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;\">150 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">5.91 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;\">16 mm<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">0.630 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;\">4,100 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-NRV063 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;\">NRV063 vs. NMRV063 &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-NRV063 (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;\">300 Nm &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">300 Nm<\/td>\n<\/tr>\n<tr>\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 style=\"background:#f5f7fa;\">\n<td style=\"padding:9px;border:1px solid #ddd;\">Radial Load Capacity<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">4,100 N &#9989;<\/td>\n<td style=\"padding:9px;border:1px solid #ddd;text-align:center;\">Similar<\/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 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<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:9px;border:1px solid #ddd;\">Alignment Procedure<\/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<\/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; 300 Nm &mdash; Heavy-Duty Industrial Shaft-Mount<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">300&nbsp;Nm in a shaft-mount reducer at 6.2&nbsp;kg enters genuine heavy-duty industrial drive territory. For Australian food processing plants running conveyor belt head drives at 1&ndash;2&nbsp;kW motor power, the NRV063 eliminates the foot bracket, coupling, and alignment procedure of foot-mount alternatives without any torque compromise.<\/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; 4,100 N Radial Load &mdash; Direct Sprocket Mount<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">The highest radial load capacity in the NRV compact series at this torque level. Supports direct ANSI No. 80 and No. 100 roller chain sprocket mounting, and B-section and C-section V-belt sheave mounting, without an outboard bearing pedestal &mdash; reducing drive component count and eliminating a potential maintenance point.<\/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; 30 mm Standard Heavy Shaft<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">The 30&nbsp;mm H8 shaft matches bores of heavy-duty industrial chain sprockets, large timing pulley hubs, and centrifugal pump impellers in the 0.75&ndash;2.2&nbsp;kW class. Inch option 1.125&nbsp;in available for imperial-standard driven equipment common in Australian mining ancillary and agricultural OEM machinery.<\/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 140TC &mdash; 2.2 kW Motor Direct Mount<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">The NRV063 accepts NEMA 140TC input flanges, enabling direct mounting of 1.5&ndash;2.2&nbsp;kW integral-horsepower motors in the 140TC frame common in Australian agricultural machinery and mining support equipment without custom adaptor 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 30:1 and Above<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,16px);margin:0;word-break:break-word;\">Inherent self-locking at ratios of 30:1 and above eliminates the need for a separate load-holding brake in gate actuators, loaded auger hold-position applications, and slow conveyor drives where the loaded belt must not creep when the motor is de-energised.<\/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;\">Heavy Food Processing Conveyors<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Belt conveyor head drives at major Australian fruit packing sheds, vegetable processing plants, and dairy processing facilities &mdash; 300&nbsp;Nm handles the full load of heavily laden food processing conveyor systems in continuous 16&ndash;20 hour 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;\">&#9879;<\/p>\n<p style=\"font-size:clamp(14px,2vw,17px);font-weight:bold;margin:6px 0;\">Industrial Agitation &amp; Mixing<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Large agitator vessel drives in food ingredient, sauce, and condiment production facilities &mdash; the 30&nbsp;mm shaft and 300&nbsp;Nm output handle high-viscosity product blending without the high inertia start damage that affects lighter reducers.<\/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;\">Irrigation &amp; Water Infrastructure<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Irrigation pump actuator drives, sluice gate operators, and water authority valve actuator drives across rural and regional Australia &mdash; self-locking at high ratios holds valve and gate position without additional locking hardware.<\/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;\">Mining Support &amp; Quarrying<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Aggregate conveyor ancillary drives, crusher feed conveyor drives, and screen vibrator auxiliary drives in Australian quarrying and mining support operations &mdash; 300&nbsp;Nm covers the demanding duty cycle of mining support ancillary drives.<\/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; NRV063 Ratio Selection<\/h2>\n<ul style=\"font-size:clamp(14px,2vw,18px);line-height:2;\">\n<li><strong>Ratio 7.5&ndash;15:<\/strong> Faster conveyor and pump drives &mdash; 93&ndash;186 rpm, moderate torque.<\/li>\n<li><strong>Ratio 20&ndash;50:<\/strong> Standard processing and agitator drives &mdash; 28&ndash;70 rpm, 150&ndash;250 Nm.<\/li>\n<li><strong>Ratio 60&ndash;100:<\/strong> Slow actuator and gate drives &mdash; 14&ndash;23 rpm, self-locking, up to 300 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>30&nbsp;mm H8 solid shaft<\/strong> with 8&times;32&nbsp;mm keyway and M12 threaded end. Inch: 1.125&nbsp;in. Hollow bore mounts directly onto driven shaft &mdash; specify driven shaft diameter at order. Torque arm K1=150&nbsp;mm, 16&nbsp;mm pin. Input: IEC 90B, 100B, 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 NRV063 deliver?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The EP-NRV063 delivers up to 300 Nm at a 100:1 ratio. This covers heavy industrial conveyor head drives, large agitator vessel drives, and irrigation pump actuators in Australian mining support, agricultural, and food processing facilities requiring more than the 180 Nm of the NRV050.\"}},{\"@type\":\"Question\",\"name\":\"What is the output shaft diameter of the NRV063?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV063 features a 30 mm H8 output shaft as standard, with a 1.125 inch option. The 30 mm shaft matches the bore of heavy-duty industrial chain sprockets, large timing pulleys, and centrifugal pump impellers in the 0.75 to 2.2 kW motor class.\"}},{\"@type\":\"Question\",\"name\":\"Does the NRV063 support NEMA 140TC input motors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The NRV063 accepts both NEMA 56C and 140TC input flanges as standard options alongside IEC 90B and 100B. The 140TC acceptance covers 1.5 to 2.2 kW integral-horsepower motors in the 140TC frame common in Australian agricultural OEM and mining ancillary equipment.\"}},{\"@type\":\"Question\",\"name\":\"What is the radial load capacity of the NRV063 output shaft?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV063 output shaft supports up to 4,100 N radial load at ratio 100:1. This allows direct chain sprocket or V-belt sheave mounting on the 30 mm shaft without an intermediate outboard bearing support, simplifying conveyor drive layout in Australian food and agricultural processing plants.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between NRV063 and NRV075?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The NRV063 delivers up to 300 Nm at 6.2 kg with a 30 mm output shaft. The NRV075 steps up to approximately 500 Nm at 9.5 kg with a 35 mm output shaft and significantly higher radial load capacity. Select NRV075 for applications requiring over 300 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 NRV063 deliver?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Up to <strong>300&nbsp;Nm<\/strong> at 100:1 ratio &mdash; covers heavy industrial conveyor head drives, large agitator vessel drives, and irrigation pump actuators exceeding the NRV050&rsquo;s 180&nbsp;Nm capacity.<\/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 NRV063?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\"><strong>30&nbsp;mm H8<\/strong> standard, 1.125&nbsp;in inch option. Matches heavy-duty industrial chain sprockets, large timing pulleys, and centrifugal pump impellers in the 0.75&ndash;2.2&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 NRV063 support NEMA 140TC input motors?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Yes &mdash; accepts NEMA 56C and 140TC alongside IEC 90B and 100B. Covers 1.5&ndash;2.2&nbsp;kW integral-horsepower motors common in Australian agricultural OEM and mining ancillary equipment.<\/p>\n<\/details>\n<details style=\"border:1px solid #d0daf0;border-radius:6px;margin-bottom:10px;\">\n<summary style=\"background:#f0f5ff;padding:14px;font-size:clamp(14px,2vw,18px);font-weight:bold;cursor:pointer;list-style:none;\">&#10067; What is the radial load capacity of the NRV063 output shaft?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">Up to <strong>4,100&nbsp;N<\/strong> at 100:1 &mdash; supports direct ANSI No. 80\/100 chain sprocket and V-belt sheave mounting without an outboard bearing pedestal.<\/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 NRV063 and NRV075?<\/summary>\n<p style=\"padding:14px;font-size:clamp(13px,1.8vw,16px);margin:0;\">NRV063: 300&nbsp;Nm, 6.2&nbsp;kg, 30&nbsp;mm shaft, 4,100&nbsp;N radial load. NRV075: ~500&nbsp;Nm, 9.5&nbsp;kg, 35&nbsp;mm shaft with higher radial load. Select NRV075 for over 300&nbsp;Nm sustained output.<\/p>\n<\/details>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"EP-NRV063 Worm Reducer\",\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":\"4.8\",\"reviewCount\":\"3\"},\"review\":[{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Jason Brooks\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"5\"},\"reviewBody\":\"Using NRV063 on heavy conveyor belt head drives at our fruit packing shed in Mildura. The 30 mm shaft matched our existing drive drum bore and the shaft-mount eliminated the coupling alignment we always struggled with. Twelve months continuous, no issues.\"},{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Aleksandra Nowak\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"5\"},\"reviewBody\":\"Installed NRV063 on large agitator vessel drives in our food ingredient plant in Warsaw. 300 Nm handles our high-viscosity sauce blending in continuous 16-hour shifts without any overheating. Excellent product.\"},{\"@type\":\"Review\",\"author\":{\"@type\":\"Person\",\"name\":\"Chen Guohua\"},\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":\"4.5\"},\"reviewBody\":\"Used NRV063 on irrigation pump actuator drives in our water management system. Self-locking at 100:1 holds valve position on power loss without any additional locking mechanism. The 30 mm shaft and 300 Nm rating exactly matched our design requirements.\"}]}<\/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 NRV063 on heavy conveyor belt head drives at our fruit packing shed in Mildura. The 30&nbsp;mm shaft matched our existing drive drum bore and shaft-mount eliminated the coupling alignment we always struggled with. Twelve months continuous, no issues.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Jason Brooks &#127462;&#127482; &mdash; Operations Manager, Fruit Packing Shed, 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 NRV063 on large agitator vessel drives in our food ingredient plant in Warsaw. 300&nbsp;Nm handles our high-viscosity sauce blending in continuous 16-hour shifts without any overheating. Excellent product.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Aleksandra Nowak &#127477;&#127473; &mdash; Process Engineer, Food Ingredient Plant, Poland<\/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 NRV063 on irrigation pump actuator drives in our water management system. Self-locking at 100:1 holds valve position on power loss without additional locking. The 30&nbsp;mm shaft and 300&nbsp;Nm rating exactly matched our design requirements.&rdquo;<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);font-weight:bold;margin:4px 0;\">Chen Guohua &#127464;&#127475; &mdash; Project Engineer, Water Management, 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 NRV063 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 90B\/100B Motor Adaptors<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Direct motor mounting for 0.37&ndash;2.2&nbsp;kW motors in 90 and 100 frame &mdash; standard motor sizes for Australian food processing and agricultural 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=150 mm)<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">16&nbsp;mm pin dia., M16 weld-on pin brackets. 150&nbsp;mm arm length reduces bracket weld stress while providing secure anti-rotation for 300&nbsp;Nm output torque.<\/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;\">NRV075 Upgrade<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">For applications requiring over 300&nbsp;Nm, the NRV075 provides up to ~500&nbsp;Nm with a 35&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;\">NMRV063 Foot-Mount Variant<\/p>\n<p style=\"font-size:clamp(13px,1.8vw,15px);color:#444;word-break:break-word;\">Five NEMA flange options (FA&ndash;FE, widest in series) and foot-mount base for applications where shaft-mount is not suitable. Same torque and ratio range as NRV063.<\/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-NRV063 for Your Heavy 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 industrial 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 | 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-NRV063 Aluminum Worm Reducer<\/strong> delivers up to 300&nbsp;Nm at 6.2&nbsp;kg across ratios of 7.5&ndash;100:1. A heavy-duty shaft-mount worm speed reducer with no input shaft &mdash; IEC 90B\/100B or NEMA 56C\/140TC direct-mount, 30&nbsp;mm output shaft, 4,100&nbsp;N radial load capacity, and K1=150&nbsp;mm torque arm. Suited to heavy food processing conveyors, industrial agitators, irrigation actuators, and mining ancillary drives 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":[2485,2489,2482,2486,2484,2468,2467,2471],"class_list":{"0":"post-1268","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-heavy-duty-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\/ur\/wp-json\/wp\/v2\/product\/1268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv050gearbox.top\/ur\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv050gearbox.top\/ur\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ur\/wp-json\/wp\/v2\/comments?post=1268"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ur\/wp-json\/wp\/v2\/media\/1178"}],"wp:attachment":[{"href":"https:\/\/nmrv050gearbox.top\/ur\/wp-json\/wp\/v2\/media?parent=1268"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ur\/wp-json\/wp\/v2\/product_brand?post=1268"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ur\/wp-json\/wp\/v2\/product_cat?post=1268"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv050gearbox.top\/ur\/wp-json\/wp\/v2\/product_tag?post=1268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}