{"title":"Linear Motion Systems - 3\/4 inch (0.75\")","description":"\u003ch1\u003e3\/4 inch Linear Motion Systems\u003c\/h1\u003e\u003ch2\u003e3\/4 inch Linear Motion Systems Online shopping\u003c\/h2\u003e","products":[{"product_id":"nb-linear-systems-sfw12-3-4-shaft-63-0-inch-length","title":"NB Linear Systems SFW12 3\/4 Shaft 63.0 inch Length Linear Motion","description":"\u003cp\u003eNB Linear Systems SFW12x63.0\" Shaft\u003cbr\u003e✔️ 3\/4\" Diameter x 63.0\" Length\u003c\/p\u003e\n\u003cp\u003eThis NB Linear Systems precision shaft is a heat-treated, induction-hardened linear motion component designed for NB slide systems. Made from high-quality AISI 52100 or 1060 steel, it offers a tough surface layer (60-64 Rc) with a solid core for strength, straightness, and long wear life, perfect for linear guides and automated equipment.\u003c\/p\u003e\n\u003cp\u003e✅ Type: NB Linear Motion Shaft (SFW Series)\u003cbr\u003e✅ Diameter: 3\/4\" inch\u003cbr\u003e✅ Length: 63.0\" inch\u003cbr\u003e✅ Material: AISI 52100 or 1060 Steel\u003cbr\u003e✅ Surface Hardness: 60-64 Rc\u003cbr\u003e✅ Treatment: High-Frequency Induction Hardened\u003cbr\u003e✅ Application: Linear slides, automation systems, precision equipment\u003cbr\u003e✅ Handling Time: Ships in approximately one week\u003cbr\u003e✅ Shipping: U.S. only (no international shipping)\u003cbr\u003e✅ Returns: Not accepted\u003c\/p\u003e\n\u003cp\u003e💡 Why are induction-hardened shafts used in linear systems?\u003cbr\u003eThey combine wear resistance with a strong, shock-absorbing core.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain smooth motion with minimal surface wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResist bending and deformation under load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDeliver long service life in high-cycle linear setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTough, straight, and built to last, this NB shaft is the backbone of reliable linear motion systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545563365611,"sku":"Kit8008","price":164.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/nb-linear-systems-sfw12-34-shaft-63-0-inch-length-linear-motion-vxb-ball-bearings.jpg?v=1770442360"},{"product_id":"nb-sw12wuu-3-4-inch-ball-bushings","title":"NB SW12WUU 3\/4\" inch Ball Bushings Double Wide Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB SW12WUU 3\/4\" inch Ball Bushings Double Wide Linear Motion made for smooth installs and steady fit\u003cbr\u003e✔️ NB SW12WUU 3\/4\" inch Ball Bushings Double Wide Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you reduce vibration in long travel linear motion systems?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545573753067,"sku":"Kit8077","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/double-wide-linear-ball-bushing-3-4-inch.jpg?v=1770442365"},{"product_id":"swf12-nb-3-4-inch-ball-bushings","title":"SWF12 NB 3\/4\" inch Ball Bushings Round Flange Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eSWF12 NB 3\/4\" inch Ball Bushings Round Flange Linear Motion made for smooth installs and steady fit\u003cbr\u003e✔️ SWF12 NB 3\/4\" inch Ball Bushings Round Flange Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you reduce vibration in long travel linear motion systems?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545582698731,"sku":"Kit8086","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/round-flange-ball-bushing-3-4-inch-side-view.jpg?v=1770442365"},{"product_id":"swk12-nb-3-4-inch-ball-bushings","title":"SWK12 NB 3\/4\" inch Ball Bushings Square Flange Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eSWK12 NB 3\/4\" inch Ball Bushings Square Flange Linear Motion made for smooth installs and steady fit\u003cbr\u003e✔️ SWK12 NB 3\/4\" inch Ball Bushings Square Flange Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you choose end supports to keep a ballscrew aligned under load?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545585320171,"sku":"Kit8098","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/3-4-inch-ball-bushings-square-flange-front.jpg?v=1770442366"},{"product_id":"twj12wuu-nb-3-4-inch-ball-bushing","title":"TWJ12WUU NB 3\/4\" inch Ball Bushing Adjustable Block Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eTWJ12WUU NB 3\/4\" inch Ball Bushing Adjustable Block Linear Motion made for smooth installs and\u003cbr\u003e✔️ TWJ12WUU NB 3\/4\" inch Ball Bushing Adjustable Block Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you size a ballscrew kit to avoid backlash in CNC builds?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545588695275,"sku":"Kit8119","price":277.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/twj12wuu-nb-34-inch-ball-bushing-adjustable-block-linear-motion-vxb-ball-bearings-1.jpg?v=1770442351"},{"product_id":"twd12uu-nb-3-4-inch-ball-bushing-open-block-linear","title":"TWD12UU NB 3\/4\" inch Ball Bushing Open Block Linear Motion","description":"\u003cp\u003eTWD12UU Linear Motion Slide Unit\u003cbr\u003e✔️ 3\/4\" NB Pillow Block - Made in Japan\u003c\/p\u003e\n\u003cp\u003eThis TWD12UU open pillow block slide unit is built with precision linear ball bushings from NB (Nippon Bearing). Designed for a 3\/4\" shaft, it's a top choice for smooth linear motion in high-accuracy machines used across American industrial systems. Trusted Japanese quality ensures long life and consistent performance.\u003c\/p\u003e\n\u003cp\u003e✅ Shaft Compatibility: 3\/4\" inch\u003cbr\u003e✅ Brand: NB (Nippon Bearing), made in Japan\u003cbr\u003e✅ Type: TWD12UU linear ball bushing, open block\u003cbr\u003e✅ Design: Slide unit with steel retainer for high accuracy\u003cbr\u003e✅ Dynamic Load Rating (Cr): 470 lbf\u003cbr\u003e✅ Static Load Rating (Cor): 590 lbf\u003cbr\u003e✅ Pack Size: 1 bearing block\u003c\/p\u003e\n\u003cp\u003eDimensions Table:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMajor Dimensions\u003c\/td\u003e\n\u003ctd\u003eh\u003c\/td\u003e\n\u003ctd\u003e15\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003e1-3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eW\u003c\/td\u003e\n\u003ctd\u003e2-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003ctd\u003e1-17\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eT\u003c\/td\u003e\n\u003ctd\u003e5\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Dimensions\u003c\/td\u003e\n\u003ctd\u003eG\u003c\/td\u003e\n\u003ctd\u003e15\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e1-1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eh1\u003c\/td\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003e2-3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003ctd\u003e1-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e3\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e💡 Why choose a linear pillow block with an open-style bushing?\u003cbr\u003eOpen-style pillow blocks like the TWD12UU are perfect for applications where the shaft is supported along its length. This design allows the bushing to hug the rail and slide with low friction, even under demanding loads or long cycles.\u003c\/p\u003e\n\u003cp\u003eIf you're aiming for long-lasting precision in your linear setup, this NB block is a smart, solid pick - made in Japan, made to last!\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545588891883,"sku":"Kit8125","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/twd12uu-nb-34-inch-ball-bushing-open-block-linear-motion-vxb-ball-bearings-1.jpg?v=1770442351"},{"product_id":"twd12wuu-nb-3-4-inch-ball-bushing","title":"TWD12WUU NB 3\/4\" inch Ball Bushing Open Block Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eTWD12WUU NB 3\/4\" inch Ball Bushing Open Block Linear Motion made for smooth installs and steady fit\u003cbr\u003e✔️ TWD12WUU NB 3\/4\" inch Ball Bushing Open Block Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you reduce vibration in long travel linear motion systems?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545590169835,"sku":"Kit8132","price":226.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/3-4-inch-ball-bushing-open-block-side-view.jpg?v=1770442350"},{"product_id":"nb-wss12x24-3-4-inch-supported-shaft","title":"NB WSS12x24 3\/4\" inch Supported Shaft Rail Assembly Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB WSS12x24 3\/4\" inch Supported Shaft Rail Assembly Linear Motion made for smooth installs and\u003cbr\u003e✔️ NB WSS12x24 3\/4\" inch Supported Shaft Rail Assembly Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you choose end supports to keep a ballscrew aligned under load?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545591546091,"sku":"Kit8140","price":372.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/supported-shaft-rail-assembly-3-4-inch-side-view.jpg?v=1770442368"},{"product_id":"nb-wss12x48-3-4-inch-supported-shaft","title":"NB WSS12x48 3\/4\" inch Supported Shaft Rail Assembly Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB WSS12x48 3\/4\" inch Supported Shaft Rail Assembly Linear Motion made for smooth installs and\u003cbr\u003e✔️ NB WSS12x48 3\/4\" inch Supported Shaft Rail Assembly Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How does screw pitch affect feed rate and torque on CNC machines?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545591677163,"sku":"Kit8141","price":732.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/nb-wss12x48-34-inch-supported-shaft-rail-assembly-linear-motion-vxb-ball-bearings-1.jpg?v=1770442368"},{"product_id":"nb-tw12uu-3-4-inch-self-aligning","title":"NB TW12UU 3\/4\" inch Self Aligning Ball Bushings Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB TW12UU 3\/4\" inch Self Aligning Ball Bushings Linear Motion made for smooth installs and steady\u003cbr\u003e✔️ NB TW12UU 3\/4\" inch Self Aligning Ball Bushings Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you reduce vibration in long travel linear motion systems?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545727140075,"sku":"kit8014","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/nb-tw12uu-3-4-inch-self-aligning-ball-bushing.jpg?v=1770442351"},{"product_id":"nb-sw12aj-3-4-inch-adjustable-ball","title":"NB SW12AJ 3\/4\" inch Adjustable Ball Bushings Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB SW12AJ 3\/4\" inch Adjustable Ball Bushings Linear Motion made for smooth installs and steady fit\u003cbr\u003e✔️ NB SW12AJ 3\/4\" inch Adjustable Ball Bushings Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you size a ballscrew kit to avoid backlash in CNC builds?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43545728647403,"sku":"kit8023","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/adjustable-ball-bushing-3-4-inch-linear-motion.jpg?v=1770442352"},{"product_id":"nb-linear-systems-wh12a-3-4-inch","title":"NB Linear Systems WH12A 3\/4\" inch Shaft Support Supporter designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB Linear Systems WH12A 3\/4\" inch Shaft Support Supporter made for smooth installs and steady fit\u003cbr\u003e✔️ NB Linear Systems WH12A 3\/4\" inch Shaft Support Supporter\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you choose end supports to keep a ballscrew aligned under load?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43546145521899,"sku":"Kit7975","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/wh12a-shaft-support-34-inch-front-view.jpg?v=1770442362"},{"product_id":"nb-twa12uu-3-4-inch-ball-bushing-block-linear-moti","title":"NB TWA12UU 3\/4\" inch Ball Bushing Block Linear Motion","description":"\u003cp\u003eTWA12UU Pillow Block Slide Unit for 3\/4\" Shaft\u003cbr\u003e✔️ NB Linear Bearing Block - Made in Japan for Smooth Motion\u003c\/p\u003e\n\u003cp\u003eThis TWA12UU pillow block from NB (Nippon Bearing) is made for stable, accurate linear movement with a 3\/4\" shaft. Built with a steel retainer and precision Japanese engineering, it’s a solid fit for CNC machines, robotics, and automation setups that demand consistent travel and reliability.\u003c\/p\u003e\n\u003cp\u003e✅ Brand: NB (Nippon Bearing)\u003cbr\u003e✅ Country of origin: Japan\u003cbr\u003e✅ Type: Pillow block linear slide unit\u003cbr\u003e✅ Shaft diameter: 3\/4 inch\u003cbr\u003e✅ Retainer type: Steel\u003cbr\u003e✅ Dynamic load rating: 2,091 N\u003cbr\u003e✅ Static load rating: 2,624 N\u003c\/p\u003e\n\u003cp\u003e📏 Dimensions (Inches):\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight (h)\u003c\/td\u003e\n\u003ctd\u003e15\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth (W)\u003c\/td\u003e\n\u003ctd\u003e2-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength (L)\u003c\/td\u003e\n\u003ctd\u003e2-1\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003e1-3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003ctd\u003e1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT\u003c\/td\u003e\n\u003ctd\u003e5\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eG\u003c\/td\u003e\n\u003ctd\u003e1-9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003e2-3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003ctd\u003e1-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e3\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e💡 What is a pillow block slide unit used for in linear systems?\u003cbr\u003eThese units are handy for guiding shafts in precision machinery while keeping motion smooth and aligned.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for CNC, 3D printers, or pick-and-place machines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeeps shaft alignment tight under load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSteel retainer adds long-term strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSimple mounting for compact setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNeed tight travel and no slop? Grab this unit and keep your system sliding like it should!\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43546150437099,"sku":"Kit7985","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/nb-twa12uu-34-inch-ball-bushing-block-linear-motion-vxb-ball-bearings-1.jpg?v=1770442362"},{"product_id":"twj12uu-nb-3-4-inch-ball-bushing","title":"TWJ12UU NB 3\/4\" inch Ball Bushing Adjustable Block Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eTWJ12UU NB 3\/4\" inch Ball Bushing Adjustable Block Linear Motion made for smooth installs and\u003cbr\u003e✔️ TWJ12UU NB 3\/4\" inch Ball Bushing Adjustable Block Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you size a ballscrew kit to avoid backlash in CNC builds?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43546175635691,"sku":"Kit8110","price":142.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/twj12uu-34-inch-ball-bushing-linear-motion-block.jpg?v=1770442366"},{"product_id":"nb-sw12-3-4-ball-bushings-linear","title":"NB SW12 3\/4 Ball Bushings Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB SW12 3\/4 Ball Bushings Linear Motion made for smooth installs and steady fit\u003cbr\u003e✔️ NB SW12 3\/4 Ball Bushings Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you reduce vibration in long travel linear motion systems?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43546456064235,"sku":"Kit7963","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/nb-sw12-ball-bushings-linear-motion-front-view.jpg?v=1770442389"},{"product_id":"nb-sw12aj-3-4-inch-stainless-steel","title":"NB SW12AJ 3\/4\" inch Stainless Steel Adjustable Ball Bushings Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB SW12AJ 3\/4\" inch Stainless Steel Adjustable Ball Bushings Linear Motion made for smooth installs\u003cbr\u003e✔️ NB SW12AJ 3\/4\" inch Stainless Steel Adjustable Ball Bushings Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you reduce vibration in long travel linear motion systems?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43547302625515,"sku":"kit12767","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/stainless-steel-adjustable-ball-bushing-sw12aj.jpg?v=1770442422"},{"product_id":"nb-wss12x88-3-4-inch-supported-shaft","title":"NB WSS12x88 3\/4\" inch Supported Shaft Rail Assembly Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB WSS12x88 3\/4\" inch Supported Shaft Rail Assembly Linear Motion made for smooth installs and\u003cbr\u003e✔️ NB WSS12x88 3\/4\" inch Supported Shaft Rail Assembly Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you choose end supports to keep a ballscrew aligned under load?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43555429417195,"sku":"WSS12x88","price":899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/supported-shaft-rail-assembly-34-inch-side-view-linear-motion.jpg?v=1770442635"},{"product_id":"lbb12uu-3-4-inch-linear-motion-ball-bushing","title":"LBB12UU linear motion ball bushing with seals on both sides, 3\/4 inch bore linear bearing with resin retainer, high accuracy linear bushing for smooth shaft guidance, single bearing unit","description":"\u003cp\u003eLBB12UU Linear Motion Ball Bushing with Seals\u003cbr\u003e✔️ 3\/4 Inch Bore Linear Bearing for Precision Shaft Systems\u003c\/p\u003e\n\u003cp\u003eThis LBB12UU linear motion ball bushing is designed for smooth, accurate movement along a hardened shaft. Supplied as one bearing, it features seals on both sides to help block dust and debris, making it a solid choice for CNC machines, automation equipment, and linear slide systems commonly used in the USA.\u003c\/p\u003e\n\u003cp\u003e✅ Pack size: 1 linear motion ball bushing\u003cbr\u003e✅ Bearing type: linear ball bushing with seals\u003cbr\u003e✅ Bore size: 3\/4 inch\u003cbr\u003e✅ Shaft compatibility: 3\/4 inch linear shaft\u003cbr\u003e✅ Closures: seals on both sides\u003cbr\u003e✅ Retainer: resin retainer for smooth ball circulation\u003cbr\u003e✅ High accuracy grade for controlled linear movement\u003cbr\u003e✅ Dynamic load rating: 862 N\u003cbr\u003e✅ Static load rating: 1370 N\u003c\/p\u003e\n\u003cp\u003eDimensions and Tolerances\u003cbr\u003eShaft Diameter (dr) 3\/4 inch tolerance 0 to 0.0004\u003cbr\u003eOuter Diameter (D) 1 1\/4 inch tolerance 0 to 0.00065\u003cbr\u003eOverall Length (L) 1 5\/8 inch tolerance 0 to 0.2\u003cbr\u003eHousing Width (B) 1 11\/64 inch tolerance 0 to 0.02\u003cbr\u003eFlange Width (W) 3\/64 inch\u003cbr\u003eShoulder Diameter (D1) 1 11\/64 inch tolerance 0.0004\u003c\/p\u003e\n\u003cp\u003e💡 What is a sealed linear ball bushing used for in motion control systems?\u003cbr\u003eSealed linear ball bushings are designed to deliver smooth travel while protecting internal components.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRecirculating ball paths reduce friction during linear movement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnd seals help keep dirt and debris away from the ball tracks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision bore sizing supports accurate shaft alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommonly used in CNC machines, automation rails, and sliding assemblies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis linear bearing is a handy option for applications that need clean, controlled motion and dependable performance along a 3\/4 inch shaft.\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43579883061483,"sku":"LBB12UU-LINEAR","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/1_1c566941-5692-4363-ae22-0f5d27a10628.jpg?v=1773285017"},{"product_id":"nb-tw12uu-op-3-4-self-aligning","title":"NB TW12UU OP 3\/4\" Self Aligning Ball Bushings Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB TW12UU OP 3\/4\" Self Aligning Ball Bushings Linear Motion made for smooth installs and steady fit\u003cbr\u003e✔️ NB TW12UU OP 3\/4\" Self Aligning Ball Bushings Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you reduce vibration in long travel linear motion systems?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":43583136891115,"sku":"TW12UU-OP-NB","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/self-aligning-ball-bushing-liner-motion-tw12uu-op.jpg?v=1770446840"},{"product_id":"vxwh8a-1-2-linear-systems-1-2","title":"VXWH8A 1\/2\" Linear Systems 1\/2\" Shaft Support Supporter designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eVXWH8A 1\/2\" Linear Systems 1\/2\" Shaft Support Supporter made for smooth installs and steady fit\u003cbr\u003e✔️ VXWH8A 1\/2\" Linear Systems 1\/2\" Shaft Support Supporter\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement and smooth mechanical operation.\u003cbr\u003e\u003cbr\u003e✅ Pack size: 1\u003cbr\u003e✅ Smooth motion for mechanical assemblies\u003cbr\u003e✅ Stable fit to reduce play and vibration\u003cbr\u003e✅ Made for repeated use in motion systems\u003cbr\u003e✅ Works for upgrades or direct replacements\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you reduce vibration in long travel linear motion systems?\u003cbr\u003eQuick answer: match pitch, load, and support style to your machine setup.\u003cbr\u003e* Pitch controls feed speed and motor load\u003cbr\u003e* End supports keep alignment stable under load\u003cbr\u003e* Proper lubrication reduces heat and wear\u003cbr\u003e\u003cbr\u003eBuilt to help maintain accuracy and smooth movement in working systems.\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":45806190100715,"sku":"VXWH8A-1-2inch","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/wh12a-shaft-support-34-inch-front-view.jpg?v=1770442362"}],"url":"https:\/\/vxbom.com\/collections\/linear-motion-systems-3-4-inch-0-75.oembed","provider":"VXB Bearings","version":"1.0","type":"link"}