--- title: NPL url: "https://www.wittenstein-group.com/en-us/product/npl" date: 2026-02-12 modified: 2026-02-24 lastUpdated: 2026-04-13 --- # NPL alpha Value Line Planetary gearbox The NPL planetary gearbox impresses with its reinforced bearings and proven B14 output geometry – ideal for applications with increased demands on stability and connection diversity. As part of the alpha Value Line, it also offers highly efficient, maintenance-free performance over its entire service life. See CAD data and configure product Downloads ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/b/f/csm_NPL-IMAGE_9d69a6856d.webp) ### 3 – 100 Ratio ### 51 – 800 Nm Max. torque ### ≤ 8 arcmin Backlash [ Technical details ](#tech-details) [ Further information ](#further-info) [ Related products ](#related) [ Request consultation ](#consultation) ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/57-options.svg) ###### Universally applicable The planetary gearboxes of the alpha Value Line are suitable for universal application and offer the best, most economical solution for virtually all requirements – on each axis and for all industries ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/60-1-costEffectiveness.svg) ###### High cost-effectiveness Economical to purchase, efficient to operate, and maintenance-free throughout their entire service life – alpha Value Line gearboxes offer maximum cost efficiency ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/3-4-robust.svg) ###### Robust and efficient The NPL planetary gearbox features robust bearings and precise B14 output geometry—delivering reliable performance that impresses. As part of the alpha Value Line, it offers maximum efficiency at an optimal price-performance ratio. - Configure product - Technical data - Available options - Downloads | Product type | | NPL | |---|---|---| | Design | | MF; MA | | Ratio | | 3 – 100 | | Number of sizes | | 4 | | Max. backlash c) | jt | ≤ 8 arcmin | | Max. torque | T2α | 51 – 800 Nm | | Max. input speed | n1Max | 8000 rpm | | c) In relation to reference sizes | | **Output shape** | | |---|---| | Smooth shaft | ✓ | | Shaft with key d) | ✓ | | Splined shaft (DIN 5480) | ✓ | | **Input shape** | | | Motor-mounted | ✓ | | **Characteristic** | | | Food-grade lubrication a) b) | ✓ | | **System solutions** | | | Linear system (rack / pinion) | ✓ | | **Accessory** (for more information, see the relevant product pages) | | | Coupling | ✓ | | a) Performance reduction: Technical data available on request b) Please contact WITTENSTEIN alpha d) Performance reduction: For detailed sizing, please use our [cymex®](https://stage.wittenstein-group.com/de-de/produkt/cymex-5) design software | | Document name | Document type | Language | Downloads | |---|---|---|---| | ![CP, CPS, CPK, CPSK, NP, NPL, NPS, NPT, NPR, NTP, NPK, NPLK, NPSK, NPTK, NPRK, CVS, CVH, NVS, NVH, HDV](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-BASIC-LINE-VALUE-LINE-US-fb4a30e90750.webp "Catalog alpha Basic Line & alpha Value Line") Catalog alpha Basic Line & alpha Value Line CP, CPS, CPK, CPSK, NP, NPL, NPS, NPT, NPR, NTP, NPK, NPLK, NPSK, NPTK, NPRK, CVS, CVH, NVS, NVH, HDV | Brochure /Catalog | American English | [ Download (22 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4114&dl=1&st=1739&lg=0&token=53d8b5d5ef298cf06e536271c220fab32aeeade3)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4114&st=1739&lg=0&token=cfadb9ddb03689be8f750f4f29e33e5ee0d02005) | | ![NP, NPL, NPS, NPT, NPR, NTP](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-BASIC-LINE-VALUE-LINE-NP-NPL-NPS-NPT-NPR-NTP-80b2d4de8156.webp "Technical data / Dimension sheets NP / NPL / NPS / NPT / NPR / NTP") Technical data / Dimension sheets NP / NPL / NPS / NPT / NPR / NTP NP, NPL, NPS, NPT, NPR, NTP | Brochure /Catalog | Neutral | [ Download (6 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3252&dl=1&st=1739&lg=0&token=8499f25544b6122d316a1c23ae2b89c224292509)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3252&st=1739&lg=0&token=2166eae0b5511d0542977423ef3f05eb0faef889) | | ![Technical documents CP, CPS, CPK, CPSK, NP, NPL, NPS, NPT, NPR, NTP, NPK, NPLK, NPTK, NPRK](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/OPERATING-MANUAL-NP-NPK-NPL-NPLK-NPR-NPRK-NPS-NPSK-NPT-NPTK-NTP-CP-CPK-CPS-CPSK-ea25c5cc4d41.webp "alpha Value Line / alpha Basic Line") alpha Value Line / alpha Basic Line Technical documents CP, CPS, CPK, CPSK, NP, NPL, NPS, NPT, NPR, NTP, NPK, NPLK, NPTK, NPRK | Operating manual | Neutral | [ Download (3 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3321&dl=1&st=1739&lg=0&token=42f5985a1ce2b3567fe78a37fec8fbf9b55c5d16)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3321&st=1739&lg=0&token=985ed6e750bb9fd85c0169596c7319737296e33a) | | ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/INFORMATION-SEALING-PLATE-190dba672cbe.webp "Sealing Plate") Sealing Plate | Operating manual | Neutral | [ Download (121 B) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3293&dl=1&st=1739&lg=0&token=c3d69de968cae2150db287914e6e8f2b6fe59b02)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3293&st=1739&lg=0&token=94da936c558ddf2b56f754082763bd13e3759ab7) | | Ordering code / CAD data NPL | CAD / CAE | Neutral | [ Open in viewer ](https://cad-point.wittenstein-group.com/GearDetails/NPL) | ![](https://www.wittenstein-group.com/fileadmin/_processed_/9/c/csm_logo-sculpture_e38190faf6.webp) Contact us ------------ Would you like to learn more about our solutions? We would be happy to advise you—personally, competently, and tailored to your requirements. [info@wittenstein-us.com](#) [ 1 630 540-5300 ](tel:16305405300) [ To the contact form ](https://www.wittenstein-group.com/en-us/contact-locations/contact) ![](https://www.wittenstein-group.com/fileadmin/_processed_/3/3/csm_npl-main-image_57eec7e3d9.webp) Wide range of ratios from i = 3 to i = 100 – for maximum adaptability Scalable power density for demanding applications: HIGH TORQUE version for sizes 015 to 035 Multi-part clamping hub system from the high-end range for maximum process reliability Flexible output variants for maximum adaptability: • Splined shaft • Smooth shaft • Shaft with key • Reinforced bearing with B14 Output geometry ### Value Linear System with NPL ### cynapse® & smart services ### Accessories ![](https://www.wittenstein-group.com/fileadmin/_processed_/b/b/csm_14406_NPL_RMK_stehend_tabmodule_8ec1e9c062.webp) The NPL for coordinated pinion-rack systems for simple requirements. Typical areas of application include woodworking machines, plasma cutting systems, and automation. [Read more](https://www.wittenstein-group.com/en-us/product/value-linear-systems) ![](https://www.wittenstein-group.com/fileadmin/_processed_/f/9/csm_cynapse-produkseite-element_slider_3783d47093.webp) With cynapse® and smart services, you can unleash the full potential of your drive system: sensor data is processed, visualized, and analyzed intelligently. Find out how the combination of gearboxes with cynapse® and our smart services can make your digital production faster, safer, and more efficient. [Read more](https://www.wittenstein-group.com/int-en/products/software-and-digitalization/cynapse-smart-services) ![](https://www.wittenstein-group.com/fileadmin/_processed_/3/0/csm_ELASTOMER-COUPLING-IMAGE-tabmodule_3a6e5abaa1.webp) Optimization of your value chain: Utilize the combination of gearboxes and accessories in a complete package to streamline your internal processes. Find suitable elastomer couplings for our products. [Read more](https://www.wittenstein-group.com/int-en/elastomer-couplings) Related products ------------------ ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-AssetsPublic/NPS-IMAGE.PNG)##### [ NPS ](https://www.wittenstein-group.com/en-us/product/nps) alpha Value Line Ratio3 – 100Max. torque51 – 800 NmBacklash≤ 8 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/8/c/csm_NPR-IMAGE_4286161082.webp)##### [ NPR ](https://www.wittenstein-group.com/en-us/product/npr) alpha Value Line Ratio3 – 100Max. torque51 – 800 NmBacklash≤ 8 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/9/a/csm_NPLK-IMAGE_39e6df13ec.webp)##### [ NPLK ](https://www.wittenstein-group.com/en-us/product/nplk) alpha Value Line Ratio3 – 100Max. torque33 – 700 NmBacklash≤ 11 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/9/0/csm_SHRINK-DISC_2d606251ab.webp)##### [ Shrink discs ](https://www.wittenstein-group.com/en-us/product/shrink-discs) Max. transmittable torque T51 – 2450 NmSelectable load shaft diameters D18 – 68 mmRecommendation for the load shaftTolerance h6