{"product_id":"thomson-industries-qsm-8-l-36-round-linear-shaft","title":"Thomson Industries Qsm 8 L 36 Round Linear Shaft","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe THOMSON INDUSTRIES QSM 8 L 36 is a round linear shaft designed for precision linear motion applications. Manufactured from 1566-grade steel and hardened to 60 to 65 HRC, this shaft delivers the surface hardness required for reliable operation in linear bearing systems. The shaft measures 8 millimeters in diameter and 36 inches in overall length, with a tightly controlled diameter tolerance range of 0.3146 inches to 0.3150 inches. Mechanical engineers, millwrights, and automation technicians install this type of shaft in linear guide assemblies across industrial and commercial machinery.\u003c\/p\u003e\n\u003cp\u003eThis shaft is suited for use in standard linear motion assemblies where a hardened steel shaft is required to interface with linear ball bushings, sleeve bearings, or pillow block bearing units. Typical applications include CNC equipment, automation frames, actuator assemblies, and general motion control systems requiring a 36-inch shaft span. The 8mm diameter and tolerance specifications align with standard Thomson linear bearing bore sizing, making it a direct fit in systems designed around that shaft diameter class.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1566-grade steel construction for high strength and wear resistance\u003c\/li\u003e\n  \u003cli\u003eHardened to 60 to 65 HRC for extended service life in high-cycle linear motion applications\u003c\/li\u003e\n  \u003cli\u003eTight diameter tolerance of 0.3146 inches to 0.3150 inches for accurate bearing fit\u003c\/li\u003e\n  \u003cli\u003e36-inch overall length suits a wide range of mid-span linear guide configurations\u003c\/li\u003e\n  \u003cli\u003e8mm nominal diameter compatible with standard linear bearing bore sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or build component for linear motion assemblies requiring an 8mm diameter hardened steel shaft at 36 inches overall length.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by millwrights or mechanical technicians familiar with linear motion systems. Power down and de-energize all actuators and drive components before removing or installing the shaft. Ensure bearing bores and mounting blocks are clean and free of debris before seating the shaft. Verify shaft alignment after installation to prevent premature bearing wear.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft Type\u003c\/strong\u003e: Standard Round Linear Shaft\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Diameter\u003c\/strong\u003e: 8 millimeters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 36 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Diameter Tolerance\u003c\/strong\u003e: 0.3146 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Diameter Tolerance\u003c\/strong\u003e: 0.3150 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: 1566\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: 60 to 65 HRC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.792 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: THOMSON INDUSTRIES\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: QSM 8 L 36\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THOMSON INDUSTRIES","offers":[{"title":"Default Title","offer_id":67918279508274,"sku":"QSM 8 L 36","price":77.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/f40dc496edc3bc4ba5885fdf68cc9387_87ff6173-4ced-4e9f-b0f2-ac453f490bda.jpg?v=1791268870","url":"https:\/\/voomisupply.com\/products\/thomson-industries-qsm-8-l-36-round-linear-shaft","provider":"Voomi Supply","version":"1.0","type":"link"}