{"product_id":"sfu1605-ball-screw-550mm-cnc-kit","title":"550mm SFU1605 CNC Ball Screw Assembly with Ballnut, BK12 BF12 Supports \u0026 Coupler, 16mm Diameter 5mm Pitch RM1605 End Machined Ballscrew, C7 Precision Shiny Surface for Smooth Low-Torque Linear Motion","description":"\u003cp\u003eSFU1605 550mm CNC Ball Screw Kit with Ball Nut and Supports\u003cbr\u003e✔️ 16mm Diameter 5mm Lead RM1605 Ball Screw Assembly\u003c\/p\u003e\n\u003cp\u003eThis SFU1605 550mm ball screw kit is designed for CNC machines and linear motion systems that need smooth travel, solid stiffness, and accurate positioning over a compact to mid-range stroke. It’s commonly used in CNC routers, automation frames, and precision motion builds where low friction and steady control are key. Pack size includes a complete matched setup with supports, coupler, and ball nut housing, ready to install.\u003c\/p\u003e\n\u003cp\u003e✅ Pack size: 1 ball screw, 1 ball nut with DSG16H housing, 1 BK12 support, 1 BF12 support, 1 coupler\u003cbr\u003e✅ Ball screw model: SFU1605 \/ RM1605\u003cbr\u003e✅ Nominal diameter: 16mm (0.630 in)\u003cbr\u003e✅ Lead pitch: 5mm (0.197 in) per revolution\u003cbr\u003e✅ Overall length: 550mm (21.70 in) including end machining\u003cbr\u003e✅ Precision grade: C7\u003cbr\u003e✅ Rolled thread with shiny wear-resistant surface\u003cbr\u003e✅ Minimum starting torque for easy motor startup\u003cbr\u003e✅ Compact design for simple mounting and removal\u003cbr\u003e✅ Matched ball nut and screw for stable accuracy\u003c\/p\u003e\n\u003cp\u003eDimensions\u003cbr\u003eDiameter 16mm (0.630 in)\u003cbr\u003eLead 5mm (0.197 in)\u003cbr\u003eOverall Length 550mm (21.70 in)\u003c\/p\u003e\n\u003cp\u003eThis SFU1605 setup delivers clean linear motion, reduced friction, and dependable positioning for CNC and automation systems using shorter to mid-length axes.\u003c\/p\u003e\n\u003cp\u003e💡 Why are matched ball screw assemblies important for precision CNC movement?\u003cbr\u003eMatched ball screw assemblies help maintain accuracy, smoothness, and long-term reliability in motion systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFactory-matched components control backlash and alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConsistent preload improves stiffness and positioning accuracy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow friction supports smooth motion and lower drive load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProper matching extends service life under continuous operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA smart option when you want smooth travel, stable accuracy, and reliable performance in CNC and precision automation builds.\u003c\/p\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":47338841964779,"sku":"VXB08B6576K7","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/cnc-550mm-sfu1605-ball-screw-kit-components.jpg?v=1770447665","url":"https:\/\/vxb.com\/products\/sfu1605-ball-screw-550mm-cnc-kit","provider":"VXB Bearings","version":"1.0","type":"link"}