{"title":"Ball Screw Linear Actuators - BE Series","description":"\u003cp\u003eBall screw linear actuators use a programmable stepper motor, precision ball screw, and recirculating ball nut to convert controlled motor rotation into accurate linear movement. In an external-nut configuration, the motor rotates the ball screw while the restrained nut travels axially in a straight line. The moving component mounts directly to the nut, while external guidance supports the load and prevents nut rotation.\u003c\/p\u003e\n\u003cp\u003eUnlike conventional lead screw actuators, ball screw systems use recirculating steel balls instead of sliding contact between the screw and nut. This rolling-element design provides mechanical transmission efficiency above 90%, requiring less than one-third of the torque of a comparable lead screw system to produce equivalent thrust. It also supports smooth, high-speed motion, precision, and repeatability. Finer leads favor thrust and positioning resolution, while larger leads provide faster linear travel per motor revolution.\u003c\/p\u003e\n\u003cp\u003ePBC Linear® BE Series ball screw linear actuators combine hybrid stepper motors with precision ball screws and externally mounted ball nuts. New off-the-shelf variants offer predefined combinations of actuator length, screw diameter, lead, motor frame, motor body length, and nut style for straightforward selection and ordering. Additional configurations remain available with alternative motor lengths, screw dimensions, leads, nut designs, accuracy grades, and machined journals.\u003c\/p\u003e\n\u003cp\u003eThe gothic-arch ball groove profile allows fine axial-clearance adjustment and optional preloading for greater rigidity and near-zero backlash. Carefully selected, heat-treated load-bearing components maintain a minimum hardness of 58 HRC for long-term durability and wear resistance. The series is available in NEMA 08, 11, 14, 17, and 23 frame sizes with nominal ball screw diameters from 4mm to 12mm and multiple lead options.\u003c\/p\u003e\n\u003cp\u003eThe BE Series is RoHS compliant, rated IP40, and equipped with Class B motor insulation. Its operating temperature range is -20°C to +50°C, with Grade 5, 7, and 10 accuracy options available for different positioning requirements.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eFeatures and benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor rotates the ball screw, forcing the restrained external nut to travel axially in a straight line\u003c\/li\u003e\n\u003cli\u003eExternal ball nut provides a direct mounting point for the moving component\u003c\/li\u003e\n\u003cli\u003eRecirculating ball nut reduces sliding friction between the screw and nut\u003c\/li\u003e\n\u003cli\u003eMechanical transmission efficiency above 90%\u003c\/li\u003e\n\u003cli\u003eRequires less than one-third of the torque of a comparable lead screw system for equivalent thrust\u003c\/li\u003e\n\u003cli\u003eSupports smooth, high-speed, precise, and repeatable linear motion\u003c\/li\u003e\n\u003cli\u003eFiner leads favor thrust and positioning resolution\u003c\/li\u003e\n\u003cli\u003eLarger leads provide faster linear travel per revolution\u003c\/li\u003e\n\u003cli\u003eOff-the-shelf variants available in predefined motor, screw, lead, length, and nut combinations\u003c\/li\u003e\n\u003cli\u003eAdditional configurable options available for specialized applications\u003c\/li\u003e\n\u003cli\u003eNEMA 08, 11, 14, 17, and 23 hybrid stepper motor frame sizes\u003c\/li\u003e\n\u003cli\u003eNominal ball screw diameters from 4mm to 12mm\u003c\/li\u003e\n\u003cli\u003eMultiple motor body lengths and screw lead options\u003c\/li\u003e\n\u003cli\u003eGothic-arch groove profile supports precise axial-clearance adjustment\u003c\/li\u003e\n\u003cli\u003ePreload options provide increased rigidity and near-zero backlash\u003c\/li\u003e\n\u003cli\u003eGrade 5, 7, or 10 accuracy options available\u003c\/li\u003e\n\u003cli\u003eHeat-treated load-bearing components with a minimum hardness of 58 HRC\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and rated IP40\u003c\/li\u003e\n\u003cli\u003eClass B motor insulation\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -20°C to +50°C\u003c\/li\u003e\n\u003cli\u003eExternal guidance supports the load and prevents the nut from rotating\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"be111s-b0601-50-ak1-0-100","title":"Ball Screw Linear Actuator BE111S-B0601-50-AK1-0-100 External Nut NEMA 11 Motor, Length: 50mm","description":"\u003cp\u003eBall screw driven linear actuator with a 50mm length, 6mm screw diameter, 1mm lead, external AK1 ball nut, NEMA 11 stepper motor, and a maximum motor body length of 32mm. The fine 1mm lead provides greater mechanical advantage for higher thrust and very precise positioning, while the recirculating ball nut design supports high efficiency, smooth motion, and repeatable travel. This compact configuration is well suited for applications requiring accurate linear movement in very limited installation space.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBall screw driven linear actuator with external AK1 ball nut\u003c\/li\u003e \u003cli\u003eLength: 50mm\u003c\/li\u003e \u003cli\u003eBall screw diameter: 6mm\u003c\/li\u003e \u003cli\u003eBall screw lead: 1mm per revolution\u003c\/li\u003e \u003cli\u003eMotor: NEMA 11 stepper motor\u003c\/li\u003e \u003cli\u003eRated current: 1.00A\u003c\/li\u003e \u003cli\u003eMaximum motor body length: 32mm\u003c\/li\u003e \u003cli\u003eFine 1mm lead supports higher thrust and very precise positioning\u003c\/li\u003e \u003cli\u003eRecirculating ball nut design provides high mechanical efficiency\u003c\/li\u003e \u003cli\u003eCompact NEMA 11 configuration supports space-limited applications\u003c\/li\u003e \u003cli\u003eSuitable for precise, smooth, and repeatable linear motion\u003c\/li\u003e \u003c\/ul\u003e","brand":"PBC Linear","offers":[{"title":"Default Title","offer_id":48134718423261,"sku":"BE111S-B0601-50-AK1-0-100","price":350.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/9808\/3549\/files\/BE-11.webp?v=1783441552"},{"product_id":"be111s-b0602-100-ak1-0-100","title":"Ball Screw Linear Actuator BE111S-B0602-100-AK1-0-100 External Nut NEMA 11 Motor, Length: 100mm","description":"\u003cp\u003eBall screw driven linear actuator with a 100mm length, 6mm screw diameter, 2mm lead, external AK1 ball nut, NEMA 11 stepper motor, and a maximum motor body length of 32mm. The fine 2mm lead provides greater mechanical advantage for higher thrust and precise positioning, while the recirculating ball nut design supports high efficiency, smooth motion, and repeatable travel. This compact configuration is well suited for applications requiring accurate linear movement in limited installation space.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBall screw driven linear actuator with external AK1 ball nut\u003c\/li\u003e \u003cli\u003eLength: 100mm\u003c\/li\u003e \u003cli\u003eBall screw diameter: 6mm\u003c\/li\u003e \u003cli\u003eBall screw lead: 2mm per revolution\u003c\/li\u003e \u003cli\u003eMotor: NEMA 11 stepper motor\u003c\/li\u003e \u003cli\u003eRated current: 1.00A\u003c\/li\u003e \u003cli\u003eMaximum motor body length: 32mm\u003c\/li\u003e \u003cli\u003eFine 2mm lead supports higher thrust and precise positioning\u003c\/li\u003e \u003cli\u003eRecirculating ball nut design provides high mechanical efficiency\u003c\/li\u003e \u003cli\u003eCompact NEMA 11 configuration supports space-limited applications\u003c\/li\u003e \u003cli\u003eSuitable for precise, smooth, and repeatable linear motion\u003c\/li\u003e \u003c\/ul\u003e","brand":"PBC Linear","offers":[{"title":"Default Title","offer_id":48134718718173,"sku":"BE111S-B0602-100-AK1-0-100","price":415.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/9808\/3549\/files\/BE-11_f21e34af-d3b6-466b-b608-3e9544b8ac10.webp?v=1783441554"},{"product_id":"be143s-b0801-75-ak1-0-150","title":"Ball Screw Linear Actuator BE143S-B0801-75-AK1-0-150 External Nut NEMA 14 Motor, Length: 75mm","description":"\u003cp\u003eBall screw driven linear actuator with a 75mm length, 8mm screw diameter, 1mm lead, external AK1 ball nut, NEMA 14 stepper motor, and a maximum motor body length of 36mm. The fine 1mm lead provides greater mechanical advantage for higher thrust and very precise positioning, while the recirculating ball nut design supports high efficiency, smooth motion, and repeatable travel. This compact configuration is well suited for applications requiring controlled linear movement in limited installation space.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBall screw driven linear actuator with external AK1 ball nut\u003c\/li\u003e \u003cli\u003eLength: 75mm\u003c\/li\u003e \u003cli\u003eBall screw diameter: 8mm\u003c\/li\u003e \u003cli\u003eBall screw lead: 1mm per revolution\u003c\/li\u003e \u003cli\u003eMotor: NEMA 14 stepper motor\u003c\/li\u003e \u003cli\u003eRated current: 1.50A\u003c\/li\u003e \u003cli\u003eMaximum motor body length: 36mm\u003c\/li\u003e \u003cli\u003eFine 1mm lead supports higher thrust and very precise positioning\u003c\/li\u003e \u003cli\u003eRecirculating ball nut design provides high mechanical efficiency\u003c\/li\u003e \u003cli\u003eCompact NEMA 14 configuration supports space-limited applications\u003c\/li\u003e \u003cli\u003eSuitable for precise, smooth, and repeatable linear motion\u003c\/li\u003e \u003c\/ul\u003e","brand":"PBC Linear","offers":[{"title":"Default Title","offer_id":48134718849245,"sku":"BE143S-B0801-75-AK1-0-150","price":383.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/9808\/3549\/files\/BE-14.webp?v=1783441556"},{"product_id":"be143s-b0805-125-bu1-0-150","title":"Ball Screw Linear Actuator BE143S-B0805-125-BU1-0-150 External Nut NEMA 14 Motor, Length: 125mm","description":"\u003cp\u003eBall screw driven linear actuator with a 125mm length, 8mm screw diameter, 5mm lead, external BU1 ball nut, NEMA 14 stepper motor, and a maximum motor body length of 36mm. The 5mm lead provides a balance of linear speed, thrust, and positioning control, while the recirculating ball nut design supports high efficiency, smooth motion, and repeatable travel. This compact configuration is well suited for applications requiring precise linear movement in limited installation space.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBall screw driven linear actuator with external BU1 ball nut\u003c\/li\u003e\n\u003cli\u003eLength: 125mm\u003c\/li\u003e\n\u003cli\u003eBall screw diameter: 8mm\u003c\/li\u003e\n\u003cli\u003eBall screw lead: 5mm per revolution\u003c\/li\u003e\n\u003cli\u003eMotor: NEMA 14 stepper motor\u003c\/li\u003e\n\u003cli\u003eRated current: 1.50A\u003c\/li\u003e\n\u003cli\u003eMaximum motor body length: 36mm\u003c\/li\u003e\n\u003cli\u003e5mm lead balances linear speed, thrust, and positioning control\u003c\/li\u003e\n\u003cli\u003eRecirculating ball screw design provides high mechanical efficiency\u003c\/li\u003e\n\u003cli\u003eCompact NEMA 14 configuration supports space-limited applications\u003c\/li\u003e\n\u003cli\u003eSuitable for precise, smooth, and repeatable linear motion\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PBC Linear","offers":[{"title":"Default Title","offer_id":48134718914781,"sku":"BE143S-B0805-125-BU1-0-150","price":506.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/9808\/3549\/files\/BE-14_20697a9e-3cbe-40d1-88ea-a5a8d7094a0c.webp?v=1783441559"},{"product_id":"be172s-b0802-125-ak1-0-200","title":"Ball Screw Linear Actuator BE172S-B0802-125-AK1-0-200 External Nut NEMA 17 Motor, Length: 125mm","description":"\u003cp\u003eBall screw driven linear actuator with a 125mm length, 8mm screw diameter, 2mm lead, external AK1 ball nut, NEMA 17 stepper motor, and a maximum motor body length of 39.8mm. The fine 2mm lead provides greater mechanical advantage for higher thrust and precise positioning, while the recirculating ball nut design supports high efficiency, smooth motion, and repeatable travel. This compact configuration is well suited for applications requiring high torque, accuracy, and controlled linear movement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBall screw driven linear actuator with external AK1 ball nut\u003c\/li\u003e\n\u003cli\u003eLength: 125mm\u003c\/li\u003e\n\u003cli\u003eBall screw diameter: 8mm\u003c\/li\u003e\n\u003cli\u003eBall screw lead: 2mm per revolution\u003c\/li\u003e\n\u003cli\u003eMotor: NEMA 17 stepper motor\u003c\/li\u003e\n\u003cli\u003eRated current: 2.00A\u003c\/li\u003e\n\u003cli\u003eMaximum motor body length: 39.8mm\u003c\/li\u003e\n\u003cli\u003eFine 2mm lead supports higher thrust and precise positioning\u003c\/li\u003e\n\u003cli\u003eRecirculating ball screw design provides high mechanical efficiency\u003c\/li\u003e\n\u003cli\u003eCompact NEMA 17 configuration supports space-limited applications\u003c\/li\u003e\n\u003cli\u003eSuitable for applications requiring high torque, accuracy, and repeatability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PBC Linear","offers":[{"title":"Default Title","offer_id":48134719045853,"sku":"BE172S-B0802-125-AK1-0-200","price":446.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/9808\/3549\/files\/BE-17.webp?v=1783441561"},{"product_id":"be176s-b0802-125-ak1-0-200","title":"Ball Screw Linear Actuator BE176S-B0802-125-AK1-0-200 External Nut NEMA 17 Motor, Length: 125mm","description":"\u003cp\u003eBall screw linear actuator, 125mm long, with an 8mm screw diameter, 2mm lead, external AK1 ball nut, and a NEMA 17 stepper motor with a 48.3 mm maximum\u003cspan style=\"font-size: 0.875rem;\"\u003e motor body length. \u003c\/span\u003eThe ball screw drive converts motor rotation into precise linear motion with high efficiency, thrust, and repeatability. Its fine 2mm lead provides controlled positioning and increased mechanical advantage for applications requiring accurate movement and higher force at lower linear speeds.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBall screw driven linear actuator for precise, efficient linear motion\u003c\/li\u003e\n\u003cli\u003eOverall length: 125mm\u003c\/li\u003e\n\u003cli\u003eBall screw diameter: 8mm\u003c\/li\u003e\n\u003cli\u003eBall screw lead: 2mm per revolution\u003c\/li\u003e\n\u003cli\u003eExternal ball nut configuration: AK1\u003c\/li\u003e\n\u003cli\u003eNEMA 17 stepper motor\u003c\/li\u003e\n\u003cli\u003eRated motor current: 2.00 A\u003c\/li\u003e\n\u003cli\u003eMax motor body length: 48.3 mm\u003c\/li\u003e\n\u003cli\u003eFine 2 mm lead supports precise positioning and higher thrust\u003c\/li\u003e\n\u003cli\u003eLow-friction recirculating ball design improves mechanical efficiency\u003c\/li\u003e\n\u003cli\u003eSuitable for applications requiring high precision, repeatability, and torque\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PBC Linear","offers":[{"title":"Default Title","offer_id":48134719144157,"sku":"BE176S-B0802-125-AK1-0-200","price":451.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/9808\/3549\/files\/BE-17_98a4bfa6-192f-4e02-8147-abaa6fedea7c.webp?v=1783441563"},{"product_id":"be238s-b1002-100-ak1-0-220","title":"Ball Screw Linear Actuator BE238S-B1002-100-AK1-0-220 External Nut NEMA 23 Motor, Length: 100mm","description":"\u003cp\u003eBall screw driven linear actuator with 100mm length, 10mm screw diameter, 2mm lead, external AK1 ball nut, NEMA 23 stepper motor, and a maximum motor body length of 57mm. The fine 2mm lead provides greater mechanical advantage for higher thrust and precise positioning, while the recirculating ball nut design supports high efficiency, smooth motion, and repeatable travel. This configuration is well suited for applications requiring high torque, accuracy, and controlled linear movement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBall screw driven linear actuator with external AK1 ball nut\u003c\/li\u003e\n\u003cli\u003eLength: 100mm\u003c\/li\u003e\n\u003cli\u003eBall screw diameter: 10mm\u003c\/li\u003e\n\u003cli\u003eBall screw lead: 2mm per revolution\u003c\/li\u003e\n\u003cli\u003eMotor: NEMA 23 stepper motor\u003c\/li\u003e\n\u003cli\u003eRated current: 2.20A\u003c\/li\u003e\n\u003cli\u003eMaximum motor body length: 57mm\u003c\/li\u003e\n\u003cli\u003eFine 2mm lead supports higher thrust and precise positioning\u003c\/li\u003e\n\u003cli\u003eRecirculating ball screw design provides high mechanical efficiency\u003c\/li\u003e\n\u003cli\u003eSupports smooth motion and repeatable linear travel\u003c\/li\u003e\n\u003cli\u003eSuitable for applications requiring high torque and accuracy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PBC Linear","offers":[{"title":"Default Title","offer_id":48134719209693,"sku":"BE238S-B1002-100-AK1-0-220","price":434.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/9808\/3549\/files\/BE-23.webp?v=1783441565"},{"product_id":"be238s-b1010-125-bm1-0-220","title":"Ball Screw Linear Actuator BE238S-B1010-125-BM1-0-220 External Nut NEMA 23 Motor, Length: 125mm","description":"\u003cp\u003eBall screw driven linear actuator with a 125mm length, 10mm screw diameter, 10mm lead, external BM1 ball nut, NEMA 23 stepper motor, and a maximum motor body length of 57mm. The 10mm lead provides faster linear travel per motor revolution, while the recirculating ball nut design supports high efficiency, precise positioning, and smooth motion. This configuration is well suited for applications requiring a balance of speed, torque, accuracy, and repeatability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBall screw driven linear actuator with external BM1 ball nut\u003c\/li\u003e\n\u003cli\u003eLength: 125mm\u003c\/li\u003e\n\u003cli\u003eBall screw diameter: 10mm\u003c\/li\u003e\n\u003cli\u003eBall screw lead: 10mm per revolution\u003c\/li\u003e\n\u003cli\u003eMotor: NEMA 23 stepper motor\u003c\/li\u003e\n\u003cli\u003eRated current: 2.20A\u003c\/li\u003e\n\u003cli\u003eMaximum motor body length: 57mm\u003c\/li\u003e\n\u003cli\u003e10mm lead supports faster linear travel\u003c\/li\u003e\n\u003cli\u003eRecirculating ball screw design provides high mechanical efficiency\u003c\/li\u003e\n\u003cli\u003eSupports precise positioning, smooth motion, and repeatable travel\u003c\/li\u003e\n\u003cli\u003eSuitable for applications requiring speed, torque, and accuracy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PBC Linear","offers":[{"title":"Default Title","offer_id":48134719307997,"sku":"BE238S-B1010-125-BM1-0-220","price":557.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/9808\/3549\/files\/BE-23_cbfdb794-109e-4ae5-96c9-e9c1e84fbb54.webp?v=1783441567"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/9808\/3549\/collections\/BE-11_f21e34af-d3b6-466b-b608-3e9544b8ac10.webp?v=1784754017","url":"https:\/\/pbclinear.com\/collections\/ball-screw-driven-linear-actuators-be-series.oembed","provider":"PBC Linear","version":"1.0","type":"link"}