{"product_id":"pg-series-harmonic-gear-reducer-14-20-32","title":"PG Series Harmonic Gear Reducer — Sizes 14, 20 and 32, 30:1–100:1","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eBuild compact rotary mechanisms with a PG series harmonic gear reducer. Choose from size 14, 20 and 32 configurations, with reduction ratios of 30:1, 50:1, 80:1 or 100:1 depending on the model. Servo and stepper motor interface versions support different installation layouts.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHarmonic reduction for robotic joints, mechanical arms and precision automation.\u003c\/li\u003e\n\u003cli\u003eCompact construction with hardened high-carbon steel gearing, designed for smooth, low-noise motion.\u003c\/li\u003e\n\u003cli\u003eModel-specific motor interfaces: select the complete model and motor interface together.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ch3\u003eConfiguration selection\u003c\/h3\u003e\u003cp\u003eThe number after the model suffix identifies the reduction ratio: for example, PGA14-50 is a 50:1 version. The following groups describe the available selections; ratios are not interchangeable between every model and motor interface.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel group\u003c\/th\u003e\n\u003cth\u003eRatios offered\u003c\/th\u003e\n\u003cth\u003eMotor interface\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePGA14\u003c\/td\u003e\n\u003ctd\u003e50:1, 80:1, 100:1\u003c\/td\u003e\n\u003ctd\u003e40 mm servo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePGB14\u003c\/td\u003e\n\u003ctd\u003e50:1, 80:1, 100:1\u003c\/td\u003e\n\u003ctd\u003e42 mm stepper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePGA20\u003c\/td\u003e\n\u003ctd\u003e50:1, 80:1, 100:1\u003c\/td\u003e\n\u003ctd\u003e60 mm servo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePGB20\u003c\/td\u003e\n\u003ctd\u003e50:1, 80:1\u003c\/td\u003e\n\u003ctd\u003e57 mm stepper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePGB20-100\u003c\/td\u003e\n\u003ctd\u003e100:1\u003c\/td\u003e\n\u003ctd\u003e57 mm interface; verify motor type before selection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePG-32\u003c\/td\u003e\n\u003ctd\u003e50:1, 80:1, 100:1\u003c\/td\u003e\n\u003ctd\u003e60 mm servo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePGA32\u003c\/td\u003e\n\u003ctd\u003e30:1, 50:1, 80:1, 100:1\u003c\/td\u003e\n\u003ctd\u003e80 mm servo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePGB32\u003c\/td\u003e\n\u003ctd\u003e50:1, 80:1, 100:1\u003c\/td\u003e\n\u003ctd\u003e86 mm stepper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePGA14-30 \/ PGB14-30\u003c\/td\u003e\n\u003ctd\u003e30:1\u003c\/td\u003e\n\u003ctd\u003eVerify the required motor interface before selection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eReference dimensions\u003c\/h3\u003e\u003cp\u003eUse the drawings below as PG14, PG20 and PG32 series references. Check the selected motor interface, shaft fit, mounting pattern and installation envelope before machining mating parts. A motor-frame designation alone does not confirm every shaft or bolt-pattern dimension.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReference drawing\u003c\/th\u003e\n\u003cth\u003eSquare mounting face\u003c\/th\u003e\n\u003cth\u003eOverall axial dimension\u003c\/th\u003e\n\u003cth\u003eShown input bore\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePG14\u003c\/td\u003e\n\u003ctd\u003e60 × 60 mm\u003c\/td\u003e\n\u003ctd\u003e76 mm\u003c\/td\u003e\n\u003ctd\u003e8 mm H7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePG20\u003c\/td\u003e\n\u003ctd\u003e90 × 90 mm\u003c\/td\u003e\n\u003ctd\u003e70.6 mm\u003c\/td\u003e\n\u003ctd\u003e14 mm H7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePG32\u003c\/td\u003e\n\u003ctd\u003e120 × 120 mm\u003c\/td\u003e\n\u003ctd\u003e122.7 mm\u003c\/td\u003e\n\u003ctd\u003e14 mm H7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eDrawing notes: EQ SP means equally spaced; THRU means through-hole. Dimensions and tolerances apply to the illustrated reference configuration, not automatically to every motor-interface option.\u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cp\u003ePG-series gear reducer in the selected configuration. Motor-interface labels identify the intended mating format; they do not describe a motor bundle.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eTypical design contexts include industrial and humanoid robotics, packaging machinery, machine tools, measurement equipment, communications mechanisms and semiconductor equipment. Match load, speed, mounting and environmental requirements to the chosen configuration.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eIs a motor included?\u003c\/h3\u003e\u003cp\u003eThis listing is for the selected PG-series gear reducer. Motor-interface names describe the mating format, not an included motor bundle.\u003c\/p\u003e\u003ch3\u003eHow do I choose the model and reduction ratio?\u003c\/h3\u003e\u003cp\u003eSelect the complete model and motor-interface option. The suffix identifies the reduction ratio: PGA14-50, for example, is a 50:1 configuration. Available ratios depend on the model; not every ratio is offered with every interface.\u003c\/p\u003e\u003ch3\u003eWill a matching motor-frame size guarantee compatibility?\u003c\/h3\u003e\u003cp\u003eNo. Check the input shaft fit, mounting pattern and installation envelope as well as the stated motor interface. A frame-size label alone does not confirm compatibility.\u003c\/p\u003e\u003ch3\u003eDo the dimension drawings apply to every option?\u003c\/h3\u003e\u003cp\u003eThe PG14, PG20 and PG32 drawings are series references. Verify the drawing against the selected configuration before machining or ordering mating parts.\u003c\/p\u003e\u003ch3\u003eWhy do several options show the same product image?\u003c\/h3\u003e\u003cp\u003eThe source assigns a shared series image to these configurations. Use the selected model and interface text to identify the configuration; the shared photo does not distinguish every variant.\u003c\/p\u003e\n\u003ch2\u003eVisual Details\u003c\/h2\u003e\u003cfigure\u003e\u003cimg alt=\"PG series features and original front and side product views\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/taobao-702355404282-pg-08.webp?v=1793799751\"\u003e\u003cfigcaption\u003ePG series features and original front and side product views\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003cimg alt=\"PG14 and PG20 reference drawings; dimensions in mm. EQ SP: equally spaced; THRU: through-hole.\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/taobao-702355404282-pg-10.webp?v=1793799761\"\u003e\u003cfigcaption\u003ePG14 and PG20 reference drawings; dimensions in mm. EQ SP: equally spaced; THRU: through-hole.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003cimg alt=\"PG32 reference drawing; dimensions in mm. The original banner obscures part of the perspective view.\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/taobao-702355404282-pg-11.webp?v=1793799768\"\u003e\u003cfigcaption\u003ePG32 reference drawing; dimensions in mm. The original banner obscures part of the perspective view.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003cimg alt=\"Application examples: industrial and humanoid robotics, machine tools, communications, medical equipment and semiconductor systems\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/taobao-702355404282-pg-12.webp?v=1793799772\"\u003e\u003cfigcaption\u003eApplication examples: industrial and humanoid robotics, machine tools, communications, medical equipment and semiconductor systems\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"RCDrone","offers":[{"title":"PGA14-50 \/ 40 mm servo","offer_id":68459864129760,"sku":"RCD-A83320B9","price":134.77,"currency_code":"USD","in_stock":true},{"title":"PGA14-80 \/ 40 mm servo","offer_id":68459864162528,"sku":"RCD-B52560EF","price":134.77,"currency_code":"USD","in_stock":true},{"title":"PGA14-100 \/ 40 mm servo","offer_id":68459864195296,"sku":"RCD-FB9690D1","price":134.77,"currency_code":"USD","in_stock":true},{"title":"PGB14-50 \/ 42 mm stepper","offer_id":68459864228064,"sku":"RCD-79D731DC","price":134.77,"currency_code":"USD","in_stock":true},{"title":"PGB14-80 \/ 42 mm stepper","offer_id":68459864260832,"sku":"RCD-AD2C39BD","price":134.77,"currency_code":"USD","in_stock":true},{"title":"PGB14-100 \/ 42 mm stepper","offer_id":68459864293600,"sku":"RCD-EE744837","price":134.77,"currency_code":"USD","in_stock":true},{"title":"PGA20-50 \/ 60 mm servo","offer_id":68459864326368,"sku":"RCD-EAC63D46","price":174.92,"currency_code":"USD","in_stock":true},{"title":"PGA20-80 \/ 60 mm servo","offer_id":68459864359136,"sku":"RCD-B7FAD5CD","price":174.92,"currency_code":"USD","in_stock":true},{"title":"PGA20-100 \/ 60 mm servo","offer_id":68459864391904,"sku":"RCD-91310F90","price":174.92,"currency_code":"USD","in_stock":true},{"title":"PGB20-50 \/ 57 mm stepper","offer_id":68459864424672,"sku":"RCD-DADFC1D6","price":174.92,"currency_code":"USD","in_stock":true},{"title":"PGB20-80 \/ 57 mm stepper","offer_id":68459864457440,"sku":"RCD-C17D8D41","price":174.92,"currency_code":"USD","in_stock":true},{"title":"PGB20-100 \/ 57 mm interface","offer_id":68459864490208,"sku":"RCD-854D5DC7","price":174.92,"currency_code":"USD","in_stock":true},{"title":"PGA32-30 \/ 80 mm servo","offer_id":68459864522976,"sku":"RCD-64D06979","price":258.92,"currency_code":"USD","in_stock":true},{"title":"PG-32-50 \/ 60 mm servo","offer_id":68459864555744,"sku":"RCD-128E4BF3","price":258.92,"currency_code":"USD","in_stock":true},{"title":"PG-32-80 \/ 60 mm servo","offer_id":68459864588512,"sku":"RCD-C46F039B","price":258.92,"currency_code":"USD","in_stock":true},{"title":"PG-32-100 \/ 60 mm servo","offer_id":68459864621280,"sku":"RCD-DEE78F62","price":258.92,"currency_code":"USD","in_stock":true},{"title":"PGA32-50 \/ 80 mm servo","offer_id":68459864654048,"sku":"RCD-43A4AAD7","price":258.92,"currency_code":"USD","in_stock":true},{"title":"PGA32-80 \/ 80 mm servo","offer_id":68459864686816,"sku":"RCD-63E20B9B","price":258.92,"currency_code":"USD","in_stock":true},{"title":"PGA32-100 \/ 80 mm servo","offer_id":68459864719584,"sku":"RCD-7578309C","price":258.92,"currency_code":"USD","in_stock":true},{"title":"PGB32-50 \/ 86 mm stepper","offer_id":68459864752352,"sku":"RCD-F0ADD4BD","price":258.92,"currency_code":"USD","in_stock":true},{"title":"PGB32-80 \/ 86 mm stepper","offer_id":68459864785120,"sku":"RCD-7BAEADF3","price":258.92,"currency_code":"USD","in_stock":true},{"title":"PGB32-100 \/ 86 mm stepper","offer_id":68459864817888,"sku":"RCD-A8E92DD7","price":258.92,"currency_code":"USD","in_stock":true},{"title":"PGA14-30 \/ 30:1","offer_id":68459864850656,"sku":"RCD-47B4A72D","price":134.77,"currency_code":"USD","in_stock":true},{"title":"PGB14-30 \/ 30:1","offer_id":68459864883424,"sku":"RCD-9EEA55B6","price":134.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/taobao-702355404282-pg-04.jpg?v=1793799862","url":"https:\/\/rcdrone.top\/pt\/products\/pg-series-harmonic-gear-reducer-14-20-32","provider":"RCDrone","version":"1.0","type":"link"}