{"id":1905,"date":"2026-04-23T01:26:54","date_gmt":"2026-04-23T01:26:54","guid":{"rendered":"https:\/\/nmrv-gearbox.xyz\/product\/epnrv063-inch-series-worm-gearbox\/"},"modified":"2026-04-23T01:27:11","modified_gmt":"2026-04-23T01:27:11","slug":"epnrv063-inch-series-worm-gearbox","status":"publish","type":"product","link":"https:\/\/nmrv-gearbox.xyz\/fr\/product\/epnrv063-inch-series-worm-gearbox\/","title":{"rendered":"R\u00e9ducteur \u00e0 vis sans fin s\u00e9rie pouces EPNRV063"},"content":{"rendered":"<style>.eg-prod{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;color:#2b2b2b;line-height:1.65;}.eg-prod *,.eg-prod *::before,.eg-prod *::after{box-sizing:border-box;}.eg-prod h2{color:#0066CC;font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.25;margin:0 0 18px 0;}.eg-prod h3{color:#0066CC;font-size:clamp(19px,2.2vw,22px);font-weight:700;margin:0 0 10px 0;}.eg-prod h4{color:#003a7a;font-size:16px;font-weight:700;margin:0 0 8px 0;}.eg-prod p{margin:0 0 14px 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ease;}.eg-prod__related:hover{border-color:#0066CC;}.eg-prod__related h4{margin-bottom:6px;font-size:14px;color:#0066CC;}.eg-prod__related p{margin:0 0 8px 0;font-size:13px;color:#444;}.eg-prod__related a{font-weight:700;font-size:13px;}.eg-prod__cta-final{background:linear-gradient(135deg,#0066CC 0%,#2E5BFF 100%);color:#FFFFFF;padding:32px 28px;border-radius:8px;margin-top:24px;text-align:center;}.eg-prod__cta-final h3{color:#FFFFFF;margin-bottom:10px;}.eg-prod__cta-final p{color:#e4ecf5;font-size:15px;margin-bottom:18px;max-width:600px;margin-left:auto;margin-right:auto;}.eg-prod__cta-final a.eg-prod__cta-btn,.eg-prod__cta-final .eg-prod__cta-btn{display:inline-block;background:#FFFFFF !important;color:#0066CC !important;border:2px solid #FFFFFF !important;border-radius:4px;padding:12px 26px;font-weight:700;font-size:14px;text-decoration:none !important;border-bottom:2px solid #FFFFFF !important;letter-spacing:0.3px;transition:background 0.2s ease,color 0.2s ease,transform 0.2s ease;}.eg-prod__cta-final a.eg-prod__cta-btn:hover,.eg-prod__cta-final .eg-prod__cta-btn:hover{background:#2E5BFF !important;color:#FFFFFF !important;border-color:#2E5BFF !important;transform:translateY(-2px);}@media (max-width:1024px){.eg-prod__feat-grid,.eg-prod__review-grid{grid-template-columns:1fr;}.eg-prod__sel-grid,.eg-prod__related-grid{grid-template-columns:1fr 1fr;}.eg-prod__kpi-row{grid-template-columns:1fr 1fr;}.eg-prod__app-row,.eg-prod__app-row:nth-child(even){grid-template-columns:1fr;}.eg-prod__app-row:nth-child(even) .eg-prod__app-body,.eg-prod__app-row:nth-child(even) .eg-prod__app-media{order:initial;}}@media (max-width:640px){.eg-prod__sel-grid,.eg-prod__related-grid,.eg-prod__kpi-row{grid-template-columns:1fr;}}<\/style>\n<div class='eg-prod'>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Product Overview<\/span><\/p>\n<h2>R\u00e9ducteur \u00e0 vis sans fin s\u00e9rie pouces EPNRV063<\/h2>\n<p>The EPNRV063 is the mid-torque inch-series frame, combining a 63 mm centre distance with a 1-1\/8 inch output shaft and NEMA 140TC motor flange compatibility. Rated output torque of 225 Nm supports oil and gas auxiliary equipment, NEMA-spec heavy conveyor drives, and the petroleum-industry equipment common in Australian Bass Strait and Pilbara operations where NEMA motor flanges are the dominant standard. The 6.8 kg aluminium envelope handles the elevated ambient of petroleum-industry installations without active cooling provision.<\/p>\n<div class='eg-prod__kpi-row'>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>225 Nm<\/div>\n<div class='eg-prod__kpi-lbl'>Rated Output Torque<\/div>\n<\/div>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>1-1\/8\u2033<\/div>\n<div class='eg-prod__kpi-lbl'>Output Shaft Diameter<\/div>\n<\/div>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>1.1 kW<\/div>\n<div class='eg-prod__kpi-lbl'>Motor Input Max<\/div>\n<\/div>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>6.8 kg<\/div>\n<div class='eg-prod__kpi-lbl'>Assembled Weight<\/div>\n<\/div>\n<\/div>\n<p><img class='eg-prod__hero-img' src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/epnrv-gearbox-1.webp' alt='EPNRV063 inch-series worm gearbox with NEMA C-flange and UNF keyway output shaft' \/><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Technical Specifications<\/span><\/p>\n<h2>EPNRV063 Specifications<\/h2>\n<p>Full technical data for the EPNRV063 inch-series worm gearbox. Values verified at end-of-line dynamometer test and retained on serial-number record for five years. Non-standard shaft modifications including hybrid metric-keyway-on-inch-shaft configurations and food-grade lubricant fills are available on request through our engineering desk.<\/p>\n<table class='eg-prod__spec-table'>\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Model designation<\/td>\n<td>EPNRV063<\/td>\n<\/tr>\n<tr>\n<td>Configuration<\/td>\n<td>Single-stage worm reducer, inch-series (NEMA-compatible)<\/td>\n<\/tr>\n<tr>\n<td>Distance centrale<\/td>\n<td>63 mm<\/td>\n<\/tr>\n<tr>\n<td>Rated output torque<\/td>\n<td>225 Nm<\/td>\n<\/tr>\n<tr>\n<td>Reduction ratio range<\/td>\n<td>5:1 to 100:1<\/td>\n<\/tr>\n<tr>\n<td>Output shaft speed (4-pole 1,400 rpm input)<\/td>\n<td>14 &#8211; 280 rpm<\/td>\n<\/tr>\n<tr>\n<td>Motor input power (max)<\/td>\n<td>1.1 kW<\/td>\n<\/tr>\n<tr>\n<td>Output shaft diameter (solid)<\/td>\n<td>1-1\/8\u2033 (28.6 mm)<\/td>\n<\/tr>\n<tr>\n<td>Output bore (hollow)<\/td>\n<td>1-1\/8\u2033 (28.6 mm)<\/td>\n<\/tr>\n<tr>\n<td>Output keyway<\/td>\n<td>1\/4\u2033 square UNF<\/td>\n<\/tr>\n<tr>\n<td>Output radial load capacity<\/td>\n<td>3250 N<\/td>\n<\/tr>\n<tr>\n<td>Motor flange &#8211; NEMA C-face<\/td>\n<td>140TC<\/td>\n<\/tr>\n<tr>\n<td>Motor flange &#8211; IEC (where supported)<\/td>\n<td>B5<\/td>\n<\/tr>\n<tr>\n<td>Mechanical efficiency (approximately)<\/td>\n<td>82 percent at mid-ratio<\/td>\n<\/tr>\n<tr>\n<td>Housing material<\/td>\n<td>ADC12 die-cast aluminium alloy<\/td>\n<\/tr>\n<tr>\n<td>Worm shaft material<\/td>\n<td>20CrMnTi case-hardened alloy steel, ground ISO grade 6<\/td>\n<\/tr>\n<tr>\n<td>Worm wheel material<\/td>\n<td>CuSn12 tin-bronze centrifugal casting<\/td>\n<\/tr>\n<tr>\n<td>Lubrifiant<\/td>\n<td>Synthetic PAG ISO VG 320 (factory fill, food-grade available)<\/td>\n<\/tr>\n<tr>\n<td>Shaft seals<\/td>\n<td>Viton (FKM) double-lip seals<\/td>\n<\/tr>\n<tr>\n<td>Ingress protection<\/td>\n<td>IP55 (labyrinth upgrade available)<\/td>\n<\/tr>\n<tr>\n<td>Fastener standard<\/td>\n<td>UNF (Unified Fine Thread, SAE J429 grade 5\/8)<\/td>\n<\/tr>\n<tr>\n<td>Mounting positions<\/td>\n<td>B3, B6, B7, B8, V5, V6<\/td>\n<\/tr>\n<tr>\n<td>Assembled weight<\/td>\n<td>6.8 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><script type='application\/ld+json'>{\n    \"@context\": \"https:\\\/\\\/schema.org\\\/\",\n    \"@type\": \"Product\",\n    \"name\": \"EPNRV063 Inch-Series Worm Gearbox\",\n    \"description\": \"Inch-series single-stage worm gearbox with 1-1\\\/8u2033 output shaft, NEMA C-flange motor interface, and UNF fastener hardware. 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Approximately 50 percent of cast-iron weight at the equivalent torque envelope, simplifying handling during installation and retrofit work. Salt-air corrosion resistance without active paint maintenance suits coastal mining, oil and gas, and bulk-terminal installations.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Factory-Matched Worm Sets<\/h4>\n<p>Worm shaft and wheel pair are factory-matched, lapped at the production line, and engagement geometry is verified for each serial number before assembly. Replacement sets are supplied as matched pairs for predictable run-in performance. Same worm-and-wheel supply as our NMRV metric range &#8211; internal gearing is common, only the external interface differs.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Synthetic PAG Lubricant Fill<\/h4>\n<p>Factory fill with ISO VG 320 synthetic polyalkylene glycol. Film viscosity retention from -20 degC cold start through +90 degC sustained sump temperature suits the full Australian operating envelope. USDA H1-rated food-grade lubricant available on request for food and beverage processing applications.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Viton Double-Lip Shaft Seals<\/h4>\n<p>Viton (FKM) double-lip seals at both input and output shafts. Continuous service rating to 200 degC continuous handles the elevated ambient temperatures inside enclosed motor cabinets and mining-equipment drive housings. Dust-protection lip on the output side prevents fines ingress in mining, grain-handling, and cement-industry applications.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>IP55 Standard Ingress Protection<\/h4>\n<p>Standard IP55 ingress-protection rating, with labyrinth-seal output upgrade available for the most dust-intensive service in mining and grain-handling applications. Breather plug prevents internal pressure build-up during thermal cycling. Marine-grade paint system available for tropical-coastal bulk-terminal installations.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Six Mounting Orientations<\/h4>\n<p>Factory-supported mounting positions B3, B6, B7, B8, V5 and V6. Oil fill volume is factory-calibrated to the declared mounting orientation &#8211; vertical mounts (V5, V6) receive additional oil volume to ensure the worm-wheel engagement remains properly submerged at start-up.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Applications<\/span><\/p>\n<h2>Typical EPNRV063 Applications Across Australia<\/h2>\n<p>The EPNRV063 is specified across five primary Australian industry sectors where North-American-origin equipment, inch-dimensional interfaces, or NEMA motor flanges drive the specification. Each industry below represents real retrofit and OEM-build deployments.<\/p>\n<div class='eg-prod__app-row'>\n<div class='eg-prod__app-media'><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/mining-minerals-processing-application.webp' alt='EPNRV063 in Mining and Minerals Processing service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Mining &amp; Minerals Processing<\/h3>\n<p>In mining and minerals-processing service, the EPNRV063 supports slow-speed feeder auxiliary drives, sampling-equipment reducers and conveyor take-up drives at Pilbara, Kalgoorlie and Central Queensland operations running US-sourced Caterpillar, Joy Global and similar heritage equipment. The inch output shaft with UNF keyway matches the drive-coupling hardware already present in the installation. Marine-grade paint and labyrinth-seal output upgrade are both specified as standard on NEMA-compatible units destined for tropical-coastal bulk-terminal installations, matching the operational envelope of heritage US-spec equipment.<\/p>\n<\/div>\n<\/div>\n<div class='eg-prod__app-row'>\n<div class='eg-prod__app-media'><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/material-handling-logistics-application.webp' alt='EPNRV063 in Material Handling and Logistics service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Material Handling &amp; Logistics<\/h3>\n<p>For material handling duty, the EPNRV063 drives roller-bed conveyors, palletiser-cell indexing units and accumulator buffers built to North American OEM specifications or retrofitted onto US-imported handling equipment at Australian DC operations. The inch output shaft with UNF keyway matches existing drive-pulley bushings and sprocket hardware already in service, making the EPNRV063 a straight-swap option where the incumbent reducer is an aging NEMA catalogue unit from a US supplier. NEMA C-flange motor interface accepts the 56C, 140TC and 180TC frames common in imported equipment.<\/p>\n<\/div>\n<\/div>\n<div class='eg-prod__app-row'>\n<div class='eg-prod__app-media'><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/food-beverage-packaging-application.webp' alt='EPNRV063 in Food and Beverage Processing service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Food &amp; Beverage Processing<\/h3>\n<p>In food and beverage processing, the EPNRV063 is specified into US-imported production lines at Australian dairies, craft breweries and meat processors where the line builder originally supplied NEMA C-flange motors and inch-dimensioned drive hardware. Retrofitting the original reducer with a metric-dimensional unit typically requires expensive machine-frame rework. The EPNRV063 preserves the inch output shaft diameter, UNF keyway dimensions, and NEMA flange spacing of the incumbent, enabling a direct bolt-in substitution at scheduled shutdown without driven-equipment modification.<\/p>\n<\/div>\n<\/div>\n<div class='eg-prod__app-row'>\n<div class='eg-prod__app-media'><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/environmental-water-treatment-application.webp' alt='EPNRV063 in Environmental and Water Treatment service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Environmental &amp; Water Treatment<\/h3>\n<p>For environmental and water-treatment applications, the EPNRV063 drives screw-conveyor sludge transport, grit-classifier augers and slow-speed mixer reducers at municipal plants operating US-sourced or North-American-specified equipment. The IP55 aluminium-housed construction matches the corrosion and splash-resistance requirement of chlorination and chemical-dosing zones, while the inch-dimensioned output interface lets plant maintenance source replacement reducers without requalifying the full driven-equipment assembly &#8211; a meaningful advantage on aging infrastructure where the original OEM is no longer available.<\/p>\n<\/div>\n<\/div>\n<div class='eg-prod__app-row'>\n<div class='eg-prod__app-media'><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/agriculture-application.webp' alt='EPNRV063 in Agriculture and Primary Production service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Agriculture &amp; Primary Production<\/h3>\n<p>For agricultural applications, the EPNRV063 drives feed-conveyor systems, irrigation-pump drives and grain-handling augers built on US-sourced agricultural implements at NT, Queensland and WA rural holdings. American-branded equipment from John Deere, Case IH and similar manufacturers traditionally specifies NEMA C-flange motors and inch output-shaft reducers. The EPNRV063 is a directly compatible replacement for aging OEM reducers where the original equipment is still in service but the supplier-support chain has become unreliable.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Selection Guide<\/span><\/p>\n<h2>How to Specify the EPNRV063 Correctly<\/h2>\n<p>The inch-series specification is driven by three interface-compatibility checks in addition to the standard torque-ratio-power verification: output shaft dimension and keyway geometry, motor flange standard, and mounting-footprint compatibility with any retrofit incumbent. Our engineering desk verifies all three against the customer-supplied drawings or photos of the installation before issuing a sizing recommendation.<\/p>\n<div class='eg-prod__sel-grid'>\n<div class='eg-prod__sel'>\n<h4>1. Confirm Torque and Ratio<\/h4>\n<p>Required output torque falls within the 225 Nm rating of the EPNRV063. Ratio range 5:1 through 100:1 covers output speeds from 14 &#8211; 280 rpm at a 4-pole input motor.<\/p>\n<\/div>\n<div class='eg-prod__sel'>\n<h4>2. Verify Shaft Interface<\/h4>\n<p>Output shaft is 1-1\/8\u2033 diameter with 1\/4\u2033 square UNF keyway. Verify against the incumbent drive-coupling hub bore and keyway before ordering. Hybrid configurations are available on request.<\/p>\n<\/div>\n<div class='eg-prod__sel'>\n<h4>3. Check Motor Flange<\/h4>\n<p>NEMA C-flange compatibility: 140TC. IEC option: B5. Motor input capacity 1.1 kW maximum. Specify motor standard and frame size at quotation.<\/p>\n<\/div>\n<\/div>\n<p><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/nmrv-gearbox-factory-2.webp' alt='EPNRV063 reference structure and internal worm-gear arrangement' style='width:100%;max-width:680px;margin:22px auto 0 auto;display:block;border-radius:6px;background:#F1F1F1;' \/><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Questions fr\u00e9quentes<\/span><\/p>\n<h2>EPNRV063 Technical Questions<\/h2>\n<p>The most common technical questions our engineering desk receives on the EPNRV063 inch-series worm gearbox from Australian specifiers, OEM design engineers, and plant maintenance teams working with US-sourced or NEMA-specified equipment.<\/p>\n<div class='eg-prod__faq-item'>\n<h4>What certifications does the EPNRV063 carry?<\/h4>\n<p>Our quality management system is ISO 9001:2015 certified. The EPNRV063 carries CE conformity for European export, RoHS material compliance, and IP55 ingress-protection testing. Individual serial-number test records are retained at the factory for five years and certificates of conformity are issued per shipment. Application-specific certifications such as ATEX for hazardous-area installations are available on a project-configured basis.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>Is the EPNRV063 self-locking at the output?<\/h4>\n<p>At combined ratios above approximately 30:1, the EPNRV063 exhibits self-locking behaviour at the output under static load conditions. This is a function of the worm-gear lead angle and applies across the inch-series range in the same way as the NMRV metric equivalent. The self-locking condition should not substitute a properly rated mechanical brake where a brake is a safety requirement.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>What mounting orientations are supported on the EPNRV063?<\/h4>\n<p>All six standard mounting positions: B3 (horizontal, input side up), B6 (horizontal, input side down), B7, B8, V5 (vertical, output shaft down) and V6 (vertical, output shaft up). Oil-fill volume is factory-calibrated to the declared orientation &#8211; vertical mountings receive additional oil volume to guarantee worm-wheel engagement submersion at start-up. Specify mounting position at quotation stage.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>Do you offer NMRV to NRV conversion support for mixed-fleet operations?<\/h4>\n<p>Yes. Our engineering desk routinely assists Australian operations with mixed-standard installations (some driven equipment metric, some inch) by verifying the best reducer fit for each drive point against the installed hardware. The NMRV internal gearing is common with the NRV inch-series range, so field spare-parts inventory can be minimised through the single internal-components stock list supporting both product families.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>Why specify the EPNRV063 over the equivalent NMRV metric frame?<\/h4>\n<p>Choose the EPNRV063 when the driven-equipment interface is inch-dimensioned &#8211; output shaft diameter, keyway geometry, mounting-pattern spacing &#8211; or the motor available is NEMA C-flange. Common triggers include: retrofitting US-sourced equipment, building OEM machinery for North American export, or matching legacy in-service reducers from Boston Gear, Winsmith, Textron or similar US-market brands. If the interface is fully metric, the NMRV equivalent is generally the simpler specification.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>What output shaft dimension does the EPNRV063 provide?<\/h4>\n<p>The EPNRV063 output shaft is 1-1\/8\u2033 (28.6 mm) on the solid-shaft version, with a matching 1-1\/8\u2033 hollow-bore option. Keyway geometry is 1\/4\u2033 square UNF to standard inch conventions. The dimensional envelope is matched to equivalent-frame NEMA catalogue reducers from major US-market suppliers for direct bolt-in retrofit compatibility.<\/p>\n<\/div>\n<p><script type='application\/ld+json'>{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What certifications does the EPNRV063 carry?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Our quality management system is ISO 9001:2015 certified. The EPNRV063 carries CE conformity for European export, RoHS material compliance, and IP55 ingress-protection testing. Individual serial-number test records are retained at the factory for five years and certificates of conformity are issued per shipment. 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The dimensional envelope is matched to equivalent-frame NEMA catalogue reducers from major US-market suppliers for direct bolt-in retrofit compatibility.\"\n            }\n        }\n    ]\n}<\/script><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Customer Reviews<\/span><\/p>\n<h2>What Engineers Say About the EPNRV063<\/h2>\n<p>Verified customer feedback from Australian and international engineering customers working with inch-dimensional specifications, US-sourced equipment retrofits, and NEMA motor-flange installations. Review text is paraphrased where necessary to protect commercial-in-confidence project detail.<\/p>\n<div class='eg-prod__review-grid'>\n<div class='eg-prod__review'>\n<div class='eg-prod__review-meta'>\n<div>\n<div class='eg-prod__review-name'>Robert D.<\/div>\n<div class='eg-prod__review-role'>Retrofit Engineer, Industrial contractor, Adelaide SA<\/div>\n<\/div>\n<div class='eg-prod__review-stars'>&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<\/div>\n<p class='eg-prod__review-text'>Completed three capex retrofit jobs using EPNRV063 units to replace aging US-catalogue incumbents on customer sites. The dimensional envelope match to the legacy units meant minimal site-engineering work &#8211; essentially a bolt-out bolt-in replacement. Customer feedback on the post-retrofit operating performance and the reduced cabinet heat load from the aluminium-housing construction has been consistently positive.<\/p>\n<\/div>\n<div class='eg-prod__review'>\n<div class='eg-prod__review-meta'>\n<div>\n<div class='eg-prod__review-name'>Jennifer Rodriguez<\/div>\n<div class='eg-prod__review-role'>Product Manager, Food equipment manufacturer, Wisconsin USA<\/div>\n<\/div>\n<div class='eg-prod__review-stars'>&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<\/div>\n<p class='eg-prod__review-text'>The EPNRV063 addresses a cost-competitive alternative to our incumbent US-catalogue reducer on the entry-level product line. Inch-dimensional interface with UNF keyway output matches our established driven-equipment hardware stack. Build-quality consistency across production batches has been reliable across the first year of volume supply.<\/p>\n<\/div>\n<div class='eg-prod__review'>\n<div class='eg-prod__review-meta'>\n<div>\n<div class='eg-prod__review-name'>David Thompson<\/div>\n<div class='eg-prod__review-role'>Plant Engineering Manager, Mining equipment supplier, Alberta Canada<\/div>\n<\/div>\n<div class='eg-prod__review-stars'>&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<\/div>\n<p class='eg-prod__review-text'>Specified the EPNRV063 into our sampling-system OEM product after qualification testing against the incumbent Boston Gear equivalent. Inch output shaft, NEMA flange, UNF fasteners &#8211; the EPNRV063 integrates with our established assembly-line hardware directly. Cold-weather operational performance at -30 degC ambient was confirmed on bench testing and subsequently in-service.<\/p>\n<\/div>\n<div class='eg-prod__review'>\n<div class='eg-prod__review-meta'>\n<div>\n<div class='eg-prod__review-name'>Kim Henderson<\/div>\n<div class='eg-prod__review-role'>Senior Buyer, Agricultural equipment distributor, Iowa USA<\/div>\n<\/div>\n<div class='eg-prod__review-stars'>&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<\/div>\n<p class='eg-prod__review-text'>Stocking the EPNRV063 as an alternative to the legacy US-catalogue supply we had carried for the past 20 years. Customer feedback from our agricultural-implement dealer network has been encouraging and field-return rates over the first stocking season are notably below the competing imported-reducer alternatives we had previously trialled.<\/p>\n<\/div>\n<div class='eg-prod__review'>\n<div class='eg-prod__review-meta'>\n<div>\n<div class='eg-prod__review-name'>Brandon Mitchell<\/div>\n<div class='eg-prod__review-role'>Technical Manager, Industrial MRO supplier, Texas USA<\/div>\n<\/div>\n<div class='eg-prod__review-stars'>&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<\/div>\n<p class='eg-prod__review-text'>Carrying the EPNRV063 as a cross-referenceable replacement for aging Boston Gear and Winsmith inch-series units on customer maintenance-refresh cycles. The dimensional equivalent-to-catalogue retrofit compatibility made the product introduction at the counter-sales level straightforward for our technical sales staff.<\/p>\n<\/div>\n<\/div>\n<p><script type='application\/ld+json'>{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EPNRV063 Inch-Series Worm Gearbox\",\n    \"sku\": \"EPNRV063\",\n    \"aggregateRating\": {\n        \"@type\": \"AggregateRating\",\n        \"ratingValue\": \"4.9\",\n        \"reviewCount\": \"5\",\n        \"bestRating\": \"5\",\n        \"worstRating\": \"1\"\n    },\n    \"review\": [\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Robert D.\"\n            },\n            \"reviewBody\": \"Completed three capex retrofit jobs using EPNRV063 units to replace aging US-catalogue incumbents on customer sites. The dimensional envelope match to the legacy units meant minimal site-engineering work - essentially a bolt-out bolt-in replacement. Customer feedback on the post-retrofit operating performance and the reduced cabinet heat load from the aluminium-housing construction has been consistently positive.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Jennifer Rodriguez\"\n            },\n            \"reviewBody\": \"The EPNRV063 addresses a cost-competitive alternative to our incumbent US-catalogue reducer on the entry-level product line. Inch-dimensional interface with UNF keyway output matches our established driven-equipment hardware stack. Build-quality consistency across production batches has been reliable across the first year of volume supply.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"David Thompson\"\n            },\n            \"reviewBody\": \"Specified the EPNRV063 into our sampling-system OEM product after qualification testing against the incumbent Boston Gear equivalent. Inch output shaft, NEMA flange, UNF fasteners - the EPNRV063 integrates with our established assembly-line hardware directly. Cold-weather operational performance at -30 degC ambient was confirmed on bench testing and subsequently in-service.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Kim Henderson\"\n            },\n            \"reviewBody\": \"Stocking the EPNRV063 as an alternative to the legacy US-catalogue supply we had carried for the past 20 years. Customer feedback from our agricultural-implement dealer network has been encouraging and field-return rates over the first stocking season are notably below the competing imported-reducer alternatives we had previously trialled.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Brandon Mitchell\"\n            },\n            \"reviewBody\": \"Carrying the EPNRV063 as a cross-referenceable replacement for aging Boston Gear and Winsmith inch-series units on customer maintenance-refresh cycles. The dimensional equivalent-to-catalogue retrofit compatibility made the product introduction at the counter-sales level straightforward for our technical sales staff.\"\n        }\n    ]\n}<\/script><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Related Products<\/span><\/p>\n<h2>Related Inch-Series Configurations<\/h2>\n<p>Three related inch-series frames across different torque and shaft-dimension envelopes. If the EPNRV063 is close but not exactly matched to your installation, the alternatives below may provide a better interface fit.<\/p>\n<div class='eg-prod__related-grid'>\n<div class='eg-prod__related'>\n<h4>EPNRV090<\/h4>\n<p>479 Nm output torque with 1-3\/8\u2033 output shaft and NEMA C-flange. Suits North American export OEM drives and heavy industrial NEMA retrofits.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/fr\/product\/epnrv090\/'>View EPNRV090 &rarr;<\/a><\/div>\n<div class='eg-prod__related'>\n<h4>EPNRV110<\/h4>\n<p>855 Nm output torque with 1-5\/8\u2033 output shaft and NEMA C-flange. Suits heavy conveyor main drives and mining-circuit retrofit applications.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/fr\/product\/epnrv110\/'>View EPNRV110 &rarr;<\/a><\/div>\n<div class='eg-prod__related'>\n<h4>EPNRV130<\/h4>\n<p>1318 Nm output torque with 1-3\/4\u2033 output shaft and NEMA C-flange. Suits cement-plant auxiliary drives and heavy-duty NEMA-spec industrial applications.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/fr\/product\/epnrv130\/'>View EPNRV130 &rarr;<\/a><\/div>\n<\/div>\n<p style='margin-top:14px;'>Browse the full <a href='https:\/\/nmrv-gearbox.xyz\/fr\/product-category\/nrv-inch-series\/'>NRV inch-series range<\/a> or compare with the <a href='https:\/\/nmrv-gearbox.xyz\/fr\/product-category\/single-stage-worm-gearboxes\/'>NMRV metric equivalents<\/a>.<\/p>\n<\/section>\n<section class='eg-prod__sect'>\n<div class='eg-prod__cta-final'>\n<h3>Ready to Specify the EPNRV063?<\/h3>\n<p>Send your incumbent-reducer dimensional drawings, photos, or OEM part numbers to our Australian engineering desk for a direct retrofit compatibility check. Technical enquiries are handled by the engineer responsible for the product, not a generic sales desk.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/fr\/contact-us\/' class='eg-prod__cta-btn'>Contact Engineering Desk<\/a><\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Inch-series EPNRV063 single-stage worm gearbox with 1-1\/8\u2033 (28.6 mm) output shaft, NEMA C-flange motor interface, and UNF fastener hardware. Rated 225 Nm output torque across ratios from 5:1 to 100:1. Dimensionally compatible with Boston Gear, Winsmith and Textron catalogue equivalents. Engineered for oil and gas auxiliary equipment and NEMA-spec heavy conveyor drives.<\/p>","protected":false},"featured_media":1852,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[1707],"product_tag":[1734,1733,1735,1715,1712,1732,1714,1709,1710,1708,1711,1713],"class_list":{"0":"post-1905","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-nrv-inch-series-gearboxes","7":"product_tag-1-1-8-output-shaft","8":"product_tag-225-nm-nema-reducer","9":"product_tag-63-mm-centre-distance","10":"product_tag-aluminium-worm-gearbox","11":"product_tag-boston-gear-replacement","12":"product_tag-epnrv063","13":"product_tag-inch-output-shaft-reducer","14":"product_tag-inch-worm-reducer-australia","15":"product_tag-nema-c-flange-gearbox","16":"product_tag-nrv-inch-series-gearbox","17":"product_tag-unf-keyway-output","18":"product_tag-winsmith-equivalent","20":"first","21":"instock","22":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/nmrv-gearbox.xyz\/fr\/wp-json\/wp\/v2\/product\/1905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv-gearbox.xyz\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv-gearbox.xyz\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/fr\/wp-json\/wp\/v2\/comments?post=1905"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/fr\/wp-json\/wp\/v2\/media\/1852"}],"wp:attachment":[{"href":"https:\/\/nmrv-gearbox.xyz\/fr\/wp-json\/wp\/v2\/media?parent=1905"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/fr\/wp-json\/wp\/v2\/product_brand?post=1905"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/fr\/wp-json\/wp\/v2\/product_cat?post=1905"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/fr\/wp-json\/wp\/v2\/product_tag?post=1905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}