{"id":1908,"date":"2026-04-23T01:27:37","date_gmt":"2026-04-23T01:27:37","guid":{"rendered":"https:\/\/nmrv-gearbox.xyz\/product\/epnrv110-inch-series-worm-gearbox\/"},"modified":"2026-04-23T01:27:54","modified_gmt":"2026-04-23T01:27:54","slug":"epnrv110-inch-series-worm-gearbox","status":"publish","type":"product","link":"https:\/\/nmrv-gearbox.xyz\/th\/product\/epnrv110-inch-series-worm-gearbox\/","title":{"rendered":"EPNRV110 Inch-Series Worm Gearbox"},"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 0;font-size:15px;}.eg-prod 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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>EPNRV110 Inch-Series Worm Gearbox<\/h2>\n<p>The EPNRV110 is a heavy-frame inch-series reducer combining a 110 mm centre distance, 1-5\/8 inch output shaft and NEMA 180TC \/ 210TC motor flange compatibility. Rated output torque of 855 Nm across ratios from 5:1 to 100:1 at up to 4.0 kW motor input supports heavy conveyor main drives at Australian bulk-handling terminals and mining-circuit retrofit applications where the original reducer is a heritage US-sourced unit. The 22.5 kg aluminium-housed assembly substantially reduces crane-handling weight compared to the cast-iron equivalent.<\/p>\n<div class='eg-prod__kpi-row'>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>855 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'>1-5\/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'>4.0 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'>22.5 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='EPNRV110 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>EPNRV110 Specifications<\/h2>\n<p>Full technical data for the EPNRV110 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>EPNRV110<\/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>Centre distance<\/td>\n<td>110 mm<\/td>\n<\/tr>\n<tr>\n<td>Rated output torque<\/td>\n<td>855 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>4.0 kW<\/td>\n<\/tr>\n<tr>\n<td>Output shaft diameter (solid)<\/td>\n<td>1-5\/8\u2033 (41.3 mm)<\/td>\n<\/tr>\n<tr>\n<td>Output bore (hollow)<\/td>\n<td>1-5\/8\u2033 (41.3 mm)<\/td>\n<\/tr>\n<tr>\n<td>Output keyway<\/td>\n<td>3\/8\u2033 square UNF<\/td>\n<\/tr>\n<tr>\n<td>Output radial load capacity<\/td>\n<td>7920 N<\/td>\n<\/tr>\n<tr>\n<td>Motor flange &#8211; NEMA C-face<\/td>\n<td>180TC \/ 210TC<\/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>80 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>Lubricant<\/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>22.5 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\": \"EPNRV110 Inch-Series Worm Gearbox\",\n    \"description\": \"Inch-series single-stage worm gearbox with 1-5\\\/8u2033 output shaft, NEMA C-flange motor interface, and UNF fastener hardware. 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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 class='eg-prod__feat'>\n<h4>100% End-of-Line Dynamometer Testing<\/h4>\n<p>Every unit is tested on a closed-loop dynamometer across the catalogue torque range. Noise measurement in a semi-anechoic booth, sump-temperature rise monitored during run-in, and output-shaft backlash verified against catalogue specification. Test record is retained per serial number for five years, with certificate of conformity issued per shipment.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Shared Inventory With NMRV Range<\/h4>\n<p>The internal worm-and-wheel gearing on the inch-series range is common with our NMRV metric-interface product. Field replacement of worn internal components can draw on the same spare-parts inventory. Mixed-standard Australian operations running both NMRV and NRV can stock a single set of replacement gearsets.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Stainless Fastener Upgrade Available<\/h4>\n<p>Stainless-steel UNF fastener upgrade available on request for food-processing, marine, and chemical-industry applications where the standard carbon-steel hardware would corrode in the operating environment. Upgrade is factory-fitted across all accessible external fasteners including mounting flange bolts and output-cover screws.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Applications<\/span><\/p>\n<h2>Typical EPNRV110 Applications Across Australia<\/h2>\n<p>The EPNRV110 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='EPNRV110 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 EPNRV110 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='EPNRV110 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 EPNRV110 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 EPNRV110 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='EPNRV110 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 EPNRV110 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 EPNRV110 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='EPNRV110 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 EPNRV110 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='EPNRV110 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 EPNRV110 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 EPNRV110 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 EPNRV110 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 855 Nm rating of the EPNRV110. 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 1-5\/8\u2033 diameter with 3\/8\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: 180TC \/ 210TC. IEC option: B5. Motor input capacity 4.0 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-facilities-3.webp' alt='EPNRV110 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'>Frequently Asked<\/span><\/p>\n<h2>EPNRV110 Technical Questions<\/h2>\n<p>The most common technical questions our engineering desk receives on the EPNRV110 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>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 EPNRV110 over the equivalent NMRV metric frame?<\/h4>\n<p>Choose the EPNRV110 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 EPNRV110 provide?<\/h4>\n<p>The EPNRV110 output shaft is 1-5\/8\u2033 (41.3 mm) on the solid-shaft version, with a matching 1-5\/8\u2033 hollow-bore option. Keyway geometry is 3\/8\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<div class='eg-prod__faq-item'>\n<h4>Can I use an IEC metric motor with the EPNRV110?<\/h4>\n<p>Yes. The smaller frames (EPNRV110 025, 030, 040, 050) support both NEMA C-flange and IEC B5\/B14 metric flanges through different mounting adapter plates, supplied with the reducer when specified at order. Larger frames primarily support NEMA, with IEC B5 available on request. Specify motor flange standard and frame size at quotation to ensure the correct adapter ships with the unit.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>What motor power is typical for the EPNRV110?<\/h4>\n<p>The EPNRV110 accepts input power up to 4.0 kW through the NEMA C-flange interface. Actual motor selection is driven by the duty torque, operating rpm, and service factor rather than the catalogue maximum. Our engineering desk will verify motor sizing against the customer-supplied duty profile during quotation, including motor-sizing recommendations from Australian-stocked NEMA three-phase motor ranges.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>Is the EPNRV110 dimensionally compatible with Boston Gear or Winsmith catalogue units?<\/h4>\n<p>The EPNRV110 external mounting footprint, shaft height, and output-shaft-to-mounting-surface dimensions are matched to equivalent-frame NEMA catalogue reducers including the Boston Gear H-Series, Winsmith 900 series, and Textron catalogue equivalents. For direct retrofit verification on a specific in-service reducer, send the incumbent-unit dimensional drawings or photos to our engineering desk for comparative check before ordering.<\/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\": \"Do you offer NMRV to NRV conversion support for mixed-fleet operations?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"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. 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Our engineering desk will verify motor sizing against the customer-supplied duty profile during quotation, including motor-sizing recommendations from Australian-stocked NEMA three-phase motor ranges.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is the EPNRV110 dimensionally compatible with Boston Gear or Winsmith catalogue units?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The EPNRV110 external mounting footprint, shaft height, and output-shaft-to-mounting-surface dimensions are matched to equivalent-frame NEMA catalogue reducers including the Boston Gear H-Series, Winsmith 900 series, and Textron catalogue equivalents. For direct retrofit verification on a specific in-service reducer, send the incumbent-unit dimensional drawings or photos to our engineering desk for comparative check before ordering.\"\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 EPNRV110<\/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'>Ainsley P.<\/div>\n<div class='eg-prod__review-role'>Oil and Gas Engineer, Petroleum industry supplier, Gladstone QLD<\/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'>Using the EPNRV110 on auxiliary pump-house equipment at petroleum-industry sites where NEMA motor standard is the norm. The inch-dimensional interface matches the in-service drive hardware directly, which eliminates the driven-equipment modification that a metric replacement would require. Elevated-ambient operational performance has been consistent across the first 14 months of deployment.<\/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'>Carlos Vargas<\/div>\n<div class='eg-prod__review-role'>Maintenance Manager, Mining operation, Medellin Colombia<\/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 EPNRV110 is deployed on heritage US-supplied mining-circuit equipment at our Andean project sites. Altitude and ambient-temperature swings stress the reducer-housing envelope and the aluminium-housed construction has handled the operating conditions well through the first full service season.<\/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'>Jessica Wu<\/div>\n<div class='eg-prod__review-role'>Regional Distribution Manager, Industrial distributor, Singapore<\/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 EPNRV110 for the Southeast Asian market where US-specified heritage equipment is common in petroleum, mining, and cement-industry installations. Customer retrofit-project uptake has been encouraging and the supply-reliability across our 10-month stocking period has been consistent with our volume forecasts.<\/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'>Michael Schmidt<\/div>\n<div class='eg-prod__review-role'>Senior OEM Engineer, Conveyor manufacturer, Ohio 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'>Qualified the EPNRV110 into our current conveyor-product platform after a multi-month engineering evaluation against our US-catalogue incumbents. NEMA flange and inch-output-shaft compatibility with our established supply-chain hardware made the transition operationally straightforward. Manufacturer documentation and factory-test records exceeded our QA-audit requirements.<\/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 EPNRV110 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>\n<p><script type='application\/ld+json'>{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EPNRV110 Inch-Series Worm Gearbox\",\n    \"sku\": \"EPNRV110\",\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\": \"Ainsley P.\"\n            },\n            \"reviewBody\": \"Using the EPNRV110 on auxiliary pump-house equipment at petroleum-industry sites where NEMA motor standard is the norm. The inch-dimensional interface matches the in-service drive hardware directly, which eliminates the driven-equipment modification that a metric replacement would require. Elevated-ambient operational performance has been consistent across the first 14 months of deployment.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Carlos Vargas\"\n            },\n            \"reviewBody\": \"The EPNRV110 is deployed on heritage US-supplied mining-circuit equipment at our Andean project sites. Altitude and ambient-temperature swings stress the reducer-housing envelope and the aluminium-housed construction has handled the operating conditions well through the first full service season.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Jessica Wu\"\n            },\n            \"reviewBody\": \"Stocking the EPNRV110 for the Southeast Asian market where US-specified heritage equipment is common in petroleum, mining, and cement-industry installations. Customer retrofit-project uptake has been encouraging and the supply-reliability across our 10-month stocking period has been consistent with our volume forecasts.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Michael Schmidt\"\n            },\n            \"reviewBody\": \"Qualified the EPNRV110 into our current conveyor-product platform after a multi-month engineering evaluation against our US-catalogue incumbents. NEMA flange and inch-output-shaft compatibility with our established supply-chain hardware made the transition operationally straightforward. Manufacturer documentation and factory-test records exceeded our QA-audit requirements.\"\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 EPNRV110 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}<\/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 EPNRV110 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>EPNRV025<\/h4>\n<p>14 Nm output torque with 1\/2\u2033 output shaft and NEMA C-flange. Suits small instrumentation drives and laboratory-scale agitators.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/th\/product\/epnrv025\/'>View EPNRV025 &rarr;<\/a><\/div>\n<div class='eg-prod__related'>\n<h4>EPNRV030<\/h4>\n<p>25 Nm output torque with 5\/8\u2033 output shaft and NEMA C-flange. Suits small conveyor drives and light-duty packaging indexers.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/th\/product\/epnrv030\/'>View EPNRV030 &rarr;<\/a><\/div>\n<div class='eg-prod__related'>\n<h4>EPNRV040<\/h4>\n<p>47 Nm output torque with 3\/4\u2033 output shaft and NEMA C-flange. Suits general OEM machinery drives and NEMA-spec conveyor retrofits.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/th\/product\/epnrv040\/'>View EPNRV040 &rarr;<\/a><\/div>\n<\/div>\n<p style='margin-top:14px;'>Browse the full <a href='https:\/\/nmrv-gearbox.xyz\/th\/product-category\/nrv-inch-series\/'>NRV inch-series range<\/a> or compare with the <a href='https:\/\/nmrv-gearbox.xyz\/th\/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 EPNRV110?<\/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\/th\/contact-us\/' class='eg-prod__cta-btn'>Contact Engineering Desk<\/a><\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Inch-series EPNRV110 single-stage worm gearbox with 1-5\/8\u2033 (41.3 mm) output shaft, NEMA C-flange motor interface, and UNF fastener hardware. Rated 855 Nm output torque across ratios from 5:1 to 100:1. Dimensionally compatible with Boston Gear, Winsmith and Textron catalogue equivalents. Engineered for heavy conveyor main drives and mining-circuit retrofit applications.<\/p>","protected":false},"featured_media":1851,"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":[1746,1747,1745,1715,1712,1744,1714,1709,1710,1708,1711,1713],"class_list":{"0":"post-1908","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-nrv-inch-series-gearboxes","7":"product_tag-1-5-8-output-shaft","8":"product_tag-110-mm-centre-distance","9":"product_tag-855-nm-nema-reducer","10":"product_tag-aluminium-worm-gearbox","11":"product_tag-boston-gear-replacement","12":"product_tag-epnrv110","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\/th\/wp-json\/wp\/v2\/product\/1908","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv-gearbox.xyz\/th\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv-gearbox.xyz\/th\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/th\/wp-json\/wp\/v2\/comments?post=1908"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/th\/wp-json\/wp\/v2\/media\/1851"}],"wp:attachment":[{"href":"https:\/\/nmrv-gearbox.xyz\/th\/wp-json\/wp\/v2\/media?parent=1908"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/th\/wp-json\/wp\/v2\/product_brand?post=1908"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/th\/wp-json\/wp\/v2\/product_cat?post=1908"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/th\/wp-json\/wp\/v2\/product_tag?post=1908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}