{"product_id":"ti5-robot-cra-ri70-90-pro-motor","title":"Ti5 ROBOT CRA-RI70-90-PRO Motor Joint Module 500W 24-48V 16Bit Encoder 51\/81\/101\/121 Ratio","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/rcdrone.top\/collections\/ti5-robot\" title=\"Ti5 Robot\"\u003eTi5 ROBOT\u003c\/a\u003e CRA-RI70-90-PRO Motor is a lightweight joint module motor designed for robotic joint actuation. The module integrates key joint components such as control board, encoder, and harmonic reducers for compact robotic system integration.\u003c\/p\u003e\u003cdiv style=\"max-width: 1300px; width: 100%; margin: auto; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.1); background-color: #000;\"\u003e\u003cvideo autoplay=\"autoplay\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/e98d19b9d94a4919abed43ca0958ac69.mp4\" style=\"width: 100%; height: auto; display: block;\"\u003e\n    Your browser does not support the video tag.\n  \u003c\/video\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLightweight joint module\u003c\/li\u003e\n\u003cli\u003eSmall size, powerful performance\u003c\/li\u003e\n\u003cli\u003eModularization concept\u003c\/li\u003e\n\u003cli\u003eIndustry-leading mass production advantage (stated)\u003c\/li\u003e\n\u003cli\u003eAll of the underlying hardware can be controlled, and the localization rate can reach 100% (stated)\u003c\/li\u003e\n\u003cli\u003eComplete software toolchain for robot development to help accelerate research and development (stated)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInternal Module Components (Exploded View Labels)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1. Motor back cover\u003c\/li\u003e\n\u003cli\u003e2. Control board\u003c\/li\u003e\n\u003cli\u003e3. Encoder\u003c\/li\u003e\n\u003cli\u003e4. Stator housing\u003c\/li\u003e\n\u003cli\u003e5. Motor rotor\u003c\/li\u003e\n\u003cli\u003e6. Motor stator\u003c\/li\u003e\n\u003cli\u003e7. Harmonic reducers\u003c\/li\u003e\n\u003cli\u003e8. Flexspline Cover\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTorque Density Comparison Text (as shown)\u003c\/h3\u003e\u003cp\u003eComparison of torque density of mainstream joint products (Nm\/kg)\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTi5 Robot Next Generation: 250+\u003c\/li\u003e\n\u003cli\u003eAn American brand: 254\u003c\/li\u003e\n\u003cli\u003eTi5 Robot mass production model: 192\u003c\/li\u003e\n\u003cli\u003eA Chinese brand: 80.4\u003c\/li\u003e\n\u003cli\u003eA Canadian brand: 53.5\u003c\/li\u003e\n\u003cli\u003eA Korean brand: 33.8\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdiv class=\"specs-table\" style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%; border-collapse:collapse; min-width:680px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:10px; border-bottom:1px solid #eee;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:10px; border-bottom:1px solid #eee;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eMotor Model\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eCRA-RI70-90-PRO-XX \/ CRA-RI70-90-PRO-XX-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eReduction Ratio\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e51 \/ 81 \/ 101 \/ 121\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eStart-stop Peak Torque\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e69 \/ 91 \/ 102 \/ 108 N.m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eMaximum Allowable Average Load Torque\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e42 \/ 58 \/ 61 \/ 61 N.m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e2000 Rpm\/(Reduction Ratio) Rated Torque at this speed\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e32 \/ 42 \/ 50 \/ 50 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eOutput End Peak Rotational Speed\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e77 \/ 48 \/ 40 \/ 30 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eRated Speed\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e61 \/ 38 \/ 30 \/ 25 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eMotor Power\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e24-48 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eMaximum Continuous Current\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e8.4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eRated Current\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e6.1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eEncoder Resolution\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e16 Bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eBack Clearance\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e20 \/ 20 \/ 10 \/ 10 \/ 10 arcsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eTorque Constant\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0.118 N·m\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHole\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eLength: Without brake \/ With brake\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e73.5 ± 0.5 mm \/ 92 ± 0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eWeight: Without brake \/ With brake\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e1.27 kg \/ 1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eInertia: Without brake \/ With brake\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e596.4 g·cm² \/ 746.7 g·cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHumanoid Robots\u003c\/li\u003e\n\u003cli\u003eRobotic Arms\u003c\/li\u003e\n\u003cli\u003eExoskeletons\u003c\/li\u003e\n\u003cli\u003eQuadruped Robots\u003c\/li\u003e\n\u003cli\u003eAGV Vehicles\u003c\/li\u003e\n\u003cli\u003eARU Robots\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eManuals\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/CRA-RI70-90-PRO-Installation_Dimension_Drawing.pdf?v=1758205250\" rel=\"noopener\" target=\"_blank\"\u003eCRA-RI70-90-PRO-Motor Installation Dimension Drawing.pdf\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cdiv style=\"max-width: 1300px; width: 100%; margin: auto; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.1); background-color: #000;\"\u003e\u003cvideo autoplay=\"autoplay\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/7e2c32a45f334319b11188ef2616ad12.mp4\" style=\"width: 100%; height: auto; display: block;\"\u003e\n    Your browser does not support the video tag.\n  \u003c\/video\u003e\u003c\/div\u003e\u003cp\u003eFor selection guidance across reduction ratios and brake options, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Ti5 ROBOT CRA-RI70-90-PRO lightweight motor joint module lineup for robotic joint actuation\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Ti5-ROBOT-CRA-RI70-90-PRO-Motor.png?v=1779772394\"\u003e\u003cp\u003eCompact joint module design for robots where low weight and high integration matter.\u003c\/p\u003e\n\u003cimg alt=\"CRA-RI70-90-PRO joint motor module exploded assembly view highlighting modularized components\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Ti5-ROBOT-CRA-RI70-90-PRO-Motor.jpg?v=1779772400\"\u003e\u003cp\u003eA modular structure integrates key joint hardware to simplify robotic system integration.\u003c\/p\u003e\n\u003cimg alt=\"Cutaway rendering of the joint module showing internal drive structure and integrated components\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Ti5-ROBOT-CRA-RI70-90-PRO-Motor_d1f9494b-7cb7-40aa-a303-afc06a7d6841.jpg?v=1779772406\"\u003e\u003cimg alt=\"Exploded view with labeled parts: back cover, control board, encoder, stator, rotor, harmonic reducer\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Ti5-ROBOT-CRA-RI70-90-PRO-Motor_7915ec81-89c9-41a1-8a8d-3f6d204ac827.jpg?v=1779772413\"\u003e\u003cp\u003eCore components are built into one module, including the control board, 16-bit encoder, and harmonic reducer.\u003c\/p\u003e\n\u003cimg alt=\"High torque density graphic comparing mainstream joint products (Nm\/kg) with performance bars\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Ti5-ROBOT-CRA-RI70-90-PRO-Motor_d79b6c0c-343b-42c0-b353-daf2c19e6d69.jpg?v=1779772422\"\u003e\u003cp\u003eTorque-density comparison chart is provided for quick benchmarking across mainstream joint modules.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ti5 ROBOT","offers":[{"title":"CRA-RI70-90-PRO-51 Motor \/ Single Encoder \/ without Break","offer_id":52748829950176,"sku":"Ti5_ROBOT_CRA_e774ee-1","price":1447.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-51 Motor \/ Single Encoder \/ with Break","offer_id":52748829982944,"sku":"Ti5_ROBOT_CRA_e774ee-2","price":1538.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-51 Motor \/ Dual Encoder \/ without Break","offer_id":52748830015712,"sku":"Ti5_ROBOT_CRA_e774ee-3","price":1538.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-51 Motor \/ Dual Encoder \/ with Break","offer_id":52748830048480,"sku":"Ti5_ROBOT_CRA_e774ee-4","price":1608.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-81 Motor \/ Single Encoder \/ without Break","offer_id":52748830081248,"sku":"Ti5_ROBOT_CRA_e774ee-5","price":1447.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-81 Motor \/ Single Encoder \/ with Break","offer_id":52748830114016,"sku":"Ti5_ROBOT_CRA_e774ee-6","price":1538.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-81 Motor \/ Dual Encoder \/ without Break","offer_id":52748830146784,"sku":"Ti5_ROBOT_CRA_e774ee-7","price":1538.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-81 Motor \/ Dual Encoder \/ with Break","offer_id":52748830179552,"sku":"Ti5_ROBOT_CRA_e774ee-8","price":1608.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-101 Motor \/ Single Encoder \/ without Break","offer_id":52748830212320,"sku":"Ti5_ROBOT_CRA_e774ee-9","price":1447.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-101 Motor \/ Single Encoder \/ with Break","offer_id":52748830245088,"sku":"Ti5_ROBOT_CRA_e774ee-10","price":1538.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-101 Motor \/ Dual Encoder \/ without Break","offer_id":52748830277856,"sku":"Ti5_ROBOT_CRA_e774ee-11","price":1538.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-101 Motor \/ Dual Encoder \/ with Break","offer_id":52748830310624,"sku":"Ti5_ROBOT_CRA_e774ee-12","price":1608.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-121 Motor \/ Single Encoder \/ without Break","offer_id":52748830343392,"sku":"Ti5_ROBOT_CRA_e774ee-13","price":1447.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-121 Motor \/ Single Encoder \/ with Break","offer_id":52748830376160,"sku":"Ti5_ROBOT_CRA_e774ee-14","price":1538.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-121 Motor \/ Dual Encoder \/ without Break","offer_id":52748830408928,"sku":"Ti5_ROBOT_CRA_e774ee-15","price":1538.0,"currency_code":"USD","in_stock":true},{"title":"CRA-RI70-90-PRO-121 Motor \/ Dual Encoder \/ with Break","offer_id":52748830441696,"sku":"Ti5_ROBOT_CRA_e774ee-16","price":1608.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/Ti5-ROBOT-CRA-RI70-90-PRO-Motor-Joint-Module-500W-24-48V.png?v=1779772522","url":"https:\/\/rcdrone.top\/products\/ti5-robot-cra-ri70-90-pro-motor","provider":"RCDrone","version":"1.0","type":"link"}