--- title: SP+ url: "https://www.wittenstein-group.com/en-us/product/sp" date: 2026-02-12 modified: 2026-02-24 lastUpdated: 2026-04-13 --- # SP+ alpha Advanced Line Planetary gearbox The standard version of the SP+ low-backlash planetary gearbox with output shaft is the ideal solution for applications that require maximum positioning accuracy and dynamic cycle processes. The SP+ HIGH SPEED was specially developed for applications where extreme speeds are required in continuous operation. See CAD data and configure product Downloads ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/2/8/csm_SP-PLUS-IMAGE_36b70fd76e.webp) ### 3 – 100 Ratio ### 48 – 5700 Nm Max. torque ### ≤ 1 – 4 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/12-5-accuracy.svg) ###### Positioning accuracy High torsional rigidity and constant torsional backlash over the entire gearbox service life ensure consistently high performance ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/29-3-smoothRunning.svg) ###### Smooth running Optimum synchronization properties for smooth movements and low operating noise for reduced vibrations ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/30-2-maintenance.svg) ###### Low maintenance Highest quality standards for a long service life and extended maintenance intervals - Configure product - Technical data - Available options - Downloads | Product type | | SP+ | SP+ HIGH SPEED | SP+ HIGH SPEED friction-optimized | |---|---|---|---|---| | Design | | MF | MC | MC-L | | Operating mode | | Cyclic operation | Continuous operation | Continuous operation | | Ratio | | 3 – 100 | 3 – 100 | 3 – 10 | | Number of sizes | | 7 | 6 | 5 | | Max. backlash – Standard c) | jt | ≤ 3 arcmin | ≤ 4 arcmin | ≤ 4 arcmin | | Max. backlash – Reduced c) | jt | ≤ 1 arcmin | ≤ 2 arcmin | ≤ 2 arcmin | | Max. torque | T2α | 48 – 5700 Nm | 68 – 3600 Nm | 180 – 3600 Nm | | Max. input speed | n1Max | 8500 rpm | 6000 rpm | 6000 rpm | | Torsional rigidity | Ct21 | 550 Nm/arcmin | 550 Nm/arcmin | 550 Nm/arcmin | | Max. tilting moment | M2KMax | 5000 Nm | 5000 Nm | 310 Nm | | c) In relation to reference sizes | | Product type | | SP+ | SP+ HIGH SPEED | SP+ HIGH SPEED friction-optimized | |---|---|---|---|---| | Design | | MF | MC | MC-L | | **Output shape** | | | | | | Smooth shaft | | ✓ | ✓ | ✓ | | Shaft with key d) | | ✓ | ✓ | ✓ | | Splined shaft (DIN 5480) | | ✓ | ✓ | ✓ | | Blind hollow shaft | | ✓ | ✓ | ✓ | | **Input shape** | | | | | | Motor-mounted | | ✓ | ✓ | ✓ | | Self-contained version | | ✓ | | | | **Characteristic** | | | | | | Flange with slotted holes | | ✓ | | | | ATEX (2014/34/EU) a) | | ✓ | ✓ | | | Food-grade lubrication a) b) | | ✓ | ✓ | ✓ | | Corrosion-resistant a) b) | | ✓ | ✓ | ✓ | | Optimized mass inertia a) | | ✓ | ✓ | ✓ | | **System solutions** | | | | | | Linear system (rack / pinion) | | ✓ | ✓ | | | Servo actuator | | ✓ | | | | **Accessory** (for more information, see the relevant product pages) | | | | | | Coupling | | ✓ | ✓ | ✓ | | Shrink disc | | ✓ | ✓ | ✓ | | 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 | |---|---|---|---| | ![SP+, TP+, HG+, SK+, SPK+, TK+, TPK+, SC+, SPC+, TPC+, VH+, VS+, VT+, DP+, HDP+](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-ADVANCED-LINE-US-6cf47bafeb3e.webp "Catalog alpha Advanced Line") Catalog alpha Advanced Line SP+, TP+, HG+, SK+, SPK+, TK+, TPK+, SC+, SPC+, TPC+, VH+, VS+, VT+, DP+, HDP+ | Brochure /Catalog | American English | [ Download (23 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4054&dl=1&st=1739&lg=0&token=c145ac5d2a8e69c6c7af0fa888c46994abcec8af)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4054&st=1739&lg=0&token=df51b1fd7b683172521b6ce48832020f7a70c176) | | ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-ADVANCED-LINE-SP_20250910_093042700-03bb56959756.webp "Technical data / Dimension sheets SP+") Technical data / Dimension sheets SP+ | Brochure /Catalog | Neutral | [ Download (2 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3244&dl=1&st=1739&lg=0&token=c211b4fec2b8d4fdd902a86e5312afca53522172)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3244&st=1739&lg=0&token=e8cae589f9b3a4e337db64ed67668ba36906dc86) | | ![Operating Manual including assembly instructions SP+](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/OPERATING-MANUAL-SP-d4d2d9c6ceaa.webp "alpha Advanced Line") alpha Advanced Line Operating Manual including assembly instructions SP+ | Operating manual | Neutral | [ Download (4 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3330&dl=1&st=1739&lg=0&token=ec5eaea93da32d732bf8aaa42d0f493f2d72a2a4)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3330&st=1739&lg=0&token=c2796b8c01395de179bcf046e9c7bddeec6767ee) | | Ordering code / CAD data SP+ | Operating manual | Neutral | [ Open in viewer ](https://cad-point.wittenstein-group.com/GearDetails/SP) | | ![](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) | | ![Operating Manual SP+ ATEX MF](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/OPERATING-MANUAL-SP-PLUS-MF-ATEX-e648436b3e73.webp "alpha Advanced Line") alpha Advanced Line Operating Manual SP+ ATEX MF | Operating manual (ATEX) | Neutral | [ Download (2 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3328&dl=1&st=1739&lg=0&token=0adecd55336140f16755628b4afe021ee15a104a)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3328&st=1739&lg=0&token=927091caf4ce5656143a8470c8ee89e4bb813fbf) | | ![Operating Manual SP+ ATEX MC](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/OPERATING-MANUAL-SP-PLUS-MC-ATEX-3481c567e0bb.webp "alpha Advanced Line") alpha Advanced Line Operating Manual SP+ ATEX MC | Operating manual (ATEX) | Neutral | [ Download (2 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3327&dl=1&st=1739&lg=0&token=4b162f796f44336f9f2fc79f9e689d93d5fcc277)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3327&st=1739&lg=0&token=c22fc575c3a6d3a9f285993741f10dc64a660663) | ![](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_/a/b/csm_sp-plus-main-image_71710adba2.webp) Connection of various motor shafts thanks to a high range of clamping hub diameters Smooth running thanks to helical toothing Tapered roller bearings for absorbing axial and radial forces Wide range of output types ![](https://www.wittenstein-group.com/fileadmin/_processed_/1/f/csm_xp-plus-main-image_fc017fbaca.webp) Your extra productivity, precision and space saving [Discover XP+](https://www.wittenstein-group.com/en-us/product/xp) ### FAST LANE ### SP+ HIGH SPEED ### Corrosion resistant design ### cynapse® & smart services ### Accessories ![](https://www.wittenstein-group.com/fileadmin/_processed_/0/1/csm_walpha-vorzugsbaureihen_slider-720x490_b827fb981f.webp) Short delivery times available for selected product configurations. [Read more](https://www.wittenstein-group.com/int-en/services/consulting-planning/fast-lane) ![](https://www.wittenstein-group.com/fileadmin/_processed_/2/8/csm_sp_high_speed_tabmodule_en_2369f6ec04.webp) The SP+ HIGH SPEED opens up new dimensions in power transmission for continuous operation applications. Higher nominal speeds and an increased service life of up to 30,000 hours are possible. ![](https://www.wittenstein-group.com/fileadmin/_processed_/1/3/csm_SP-plus-welle-hygiene-8523_tabmodule_d9ca7206ad.webp) alpha Advanced Line gearboxes are available with increased durability and food-grade lubrication. ![](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_/b/1/csm_METALBELLOWS-COUPLING-IMAGE_TabModule_dd3f337064.webp) Optimize your value chain: Utilize the combination of gearboxes and accessories in a complete package to streamline your internal processes. Find the right metal bellows couplings for our products. [Read more](https://www.wittenstein-group.com/en-us/product/metal-bellows-couplings) Related products ------------------ ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/c/8/csm_XP-PLUS-IMAGE_bd51a879af.webp)##### [ XP+](https://www.wittenstein-group.com/en-us/product/xp) alpha Premium Line Ratio3 – 100Max. torque50 – 3840 NmBacklash≤ 1 – 4 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/7/3/csm_TP-PLUS-IMAGE_a6e7175aa2.webp)##### [ TP+](https://www.wittenstein-group.com/en-us/product/tp) alpha Advanced Line Ratio4 – 302.5Max. torque43 – 22000 NmBacklash≤ 1 – 3 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/b/6/csm_SK-PLUS-IMAGE_9ca5eb9802.webp)##### [ SK+](https://www.wittenstein-group.com/en-us/product/sk) alpha Advanced Line Ratio3 – 100Max. torque20 – 768 NmBacklash≤ 4 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/4/6/csm_SPK-PLUS-IMAGE_58ef8bcad2.webp)##### [ SPK+](https://www.wittenstein-group.com/en-us/product/spk) alpha Advanced Line Ratio12 – 1000Max. torque80 – 5700 NmBacklash≤ 2 – 4 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/c/d/csm_PREMO-SP-LINE-IMAGE_9979c24c49.webp)##### [ premo® SP Line ](https://www.wittenstein-group.com/en-us/product/premo-sp-line) alpha Advanced Line Ratio16 – 100Max. torque32 – 315 NmBacklash≤ 3 – 5 arcmin