{"title":"Shaft Diameter - 3\/4 inch (0.75\")","description":"\u003ch1\u003e0.75 Inch\u003c\/h1\u003e\u003ch2\u003e0.75 Inch 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-linear-systems-sfw12-3-4-shaft","title":"NB Linear Systems SFW12 3\/4 Shaft 78.25 inch Length Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB Linear Systems SFW12 3\/4 Shaft 78.25 inch Length Linear Motion made for smooth installs and\u003cbr\u003e✔️ NB Linear Systems SFW12 3\/4 Shaft 78.25 inch Length 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":43546979336427,"sku":"Kit12145","price":200.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/linear-motion-shaft-78-inch-side-view.jpg?v=1770442428"},{"product_id":"nb-pc12-18-3-4-pre-cut","title":"NB PC12-18 3\/4 Pre-Cut Slide Shaft 18 inch Length Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB PC12-18 3\/4 Pre-Cut Slide Shaft 18 inch Length Linear Motion made for smooth installs and steady\u003cbr\u003e✔️ NB PC12-18 3\/4 Pre-Cut Slide Shaft 18 inch Length 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":43548508324075,"sku":"Kit17363","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/linear-motion-slide-shaft-18in-steel-closeup.jpg?v=1770442465"},{"product_id":"nb-pc12-24-3-4-pre-cut","title":"NB PC12-24 3\/4 Pre-Cut Slide Shaft 24 inch Length Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB PC12-24 3\/4 Pre-Cut Slide Shaft 24 inch Length Linear Motion made for smooth installs and steady\u003cbr\u003e✔️ NB PC12-24 3\/4 Pre-Cut Slide Shaft 24 inch Length 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":43548508356843,"sku":"Kit17364","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/linear-motion-slide-shaft-34-inch-precut.jpg?v=1770442465"},{"product_id":"nb-pc12-30-3-4-pre-cut","title":"NB PC12-30 3\/4 Pre-Cut Slide Shaft 30 inch Length Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB PC12-30 3\/4 Pre-Cut Slide Shaft 30 inch Length Linear Motion made for smooth installs and steady\u003cbr\u003e✔️ NB PC12-30 3\/4 Pre-Cut Slide Shaft 30 inch Length 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":43548508586219,"sku":"Kit17365","price":77.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/linear-motion-slide-shaft-closeup-30inch.jpg?v=1770442465"},{"product_id":"nb-pc12-36-3-4-pre-cut","title":"NB PC12-36 3\/4 Pre-Cut Slide Shaft 36 inch Length Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB PC12-36 3\/4 Pre-Cut Slide Shaft 36 inch Length Linear Motion made for smooth installs and steady\u003cbr\u003e✔️ NB PC12-36 3\/4 Pre-Cut Slide Shaft 36 inch Length 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":43548508815595,"sku":"Kit17366","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/pc12-36-linear-motion-slide-shaft-36in-side-view.jpg?v=1770442465"},{"product_id":"nb-pc12-42-3-4-pre-cut","title":"NB PC12-42 3\/4 Pre-Cut Slide Shaft 42 inch Length Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB PC12-42 3\/4 Pre-Cut Slide Shaft 42 inch Length Linear Motion made for smooth installs and steady\u003cbr\u003e✔️ NB PC12-42 3\/4 Pre-Cut Slide Shaft 42 inch Length 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":43548509110507,"sku":"Kit17367","price":120.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/linear-motion-slide-shaft-42-inch-close-up.jpg?v=1770442465"},{"product_id":"nb-pc12-48-3-4-pre-cut","title":"NB PC12-48 3\/4 Pre-Cut Slide Shaft 48 inch Length Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eNB PC12-48 3\/4 Pre-Cut Slide Shaft 48 inch Length Linear Motion made for smooth installs and steady\u003cbr\u003e✔️ NB PC12-48 3\/4 Pre-Cut Slide Shaft 48 inch Length 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 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It provides precise travel and durability for guides, sliders, and payload handling in manufacturing and workshop environments.\u003c\/p\u003e ✅ 19.05 mm (0.75 in) shaft diameter \u003cbr\u003e\n✅ 63 in (1600 mm) length for extended travel \u003cbr\u003e\n✅ Chrome plating offers corrosion resistance and easier wipe-down \u003cbr\u003e\n✅ Hardened steel shaft for long wear life \u003cbr\u003e \u003cp\u003e💡 What is a hardened linear rod used for in precision machinery? This is a handy component for straight-line guidance in many setups. \u003cbr\u003e- It provides reliable straight travel for sliders and blocks in automation\u003cbr\u003e- It works with bushings and guides to minimize play and wear\u003cbr\u003e- It supports long, steady motion in CNC, robotics, and material handling\u003c\/p\u003e\n\u003c\/div\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43548783968491,"sku":"Kit18085","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/34-inch-19-05mm-shaft-63-inch-hardened-rod-linear-motion-shafts-vxb-ball-bearings.jpg?v=1773377459"},{"product_id":"sfws12-nb-stainless-steel-shaft-6-inch","title":"SFWS12 NB Stainless Steel Shaft 6 inch Length Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eSFWS12 NB Stainless Steel Shaft 6 inch Length Linear 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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":43550852612331,"sku":"Kit21379","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/stainless-steel-shaft-8in-linear-motion.jpg?v=1770442558"},{"product_id":"sfws12-nb-stainless-steel-shaft-9-inch","title":"SFWS12 NB Stainless Steel Shaft 9 inch Length Linear Motion designed for smooth motion and stable alignment in automation and mechanical systems, 1-pack for long service life","description":"\u003cp\u003eSFWS12 NB Stainless Steel Shaft 9 inch Length Linear Motion made for smooth installs and steady fit\u003cbr\u003e✔️ SFWS12 NB Stainless Steel Shaft 9 inch Length Linear Motion\u003c\/p\u003e\u003cp\u003eThis 1 pack is designed for clean replacement 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