{"product_id":"2pcs-8mm-x-300mm-315-x-11-81","title":"2PCs 8mm x 300mm (.315 x 11.81 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide - Metric h8 Tolerance for CNC axis motion, anti-backlash setup, and smoother linear travel under load, 2-pack replacement made for clean installs and","description":"\u003cp\u003e2Pcs 8Mm 300Mm 315 2-pack built for smooth installs and solid results\u003cbr\u003e✔️ 2PCs 8mm x 300mm (.315 x 11.81 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide - Metric h8\u003c\/p\u003e\u003cp\u003eThis 2 pack is meant for clean replacement or upgrade work where fit and smooth operation matter.\u003cbr\u003e\u003cbr\u003e✅ The material is carbon steel, which is very suitable for linear motion rod.\u003cbr\u003e✅ The surface has been chrome plated to enhance the hardness.\u003cbr\u003e✅ Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it.\u003cbr\u003e✅ Diameter 8mm, tolerance -0.005mm to -0.03mm ( 7.995mm - 7.97mm)\u003cbr\u003e✅ Length 300mm, tolerance ± 0.5mm ( 299.5mm - 300.5mm )\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 How do you prevent ballscrew whip on long travel CNC machines?\u003cbr\u003eQuick answer: match pitch, travel length, and support style to your axis load and speed.\u003cbr\u003e* Pitch controls feed rate and torque demand\u003cbr\u003e* Proper end supports keep alignment tight under load\u003cbr\u003e* Good lubrication cuts heat and wear over time\u003cbr\u003e\u003cbr\u003eBuilt to keep motion smooth and accuracy steady during long production runs.\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52222423761215,"sku":"VXB07DPF612G","price":38.06,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/chrome-plated-linear-rod-8mm-x-300mm.jpg?v=1772829188","url":"https:\/\/bearingscanada.com\/products\/2pcs-8mm-x-300mm-315-x-11-81","provider":"Bearings Canada","version":"1.0","type":"link"}