{"product_id":"12pcs-lm4uu-linear-ball-bearings-4mm-bore-dia","title":"12pcs LM4UU Linear Ball Bearings, 4mm Bore Dia, 8mm OD,12mm Length, Linear Motion Bearing for CNC Machine Tool 3D Printer for CNC axis motion, anti-backlash setup, and smoother linear travel under load, 12-pack replacement made for clean installs","description":"\u003cp\u003e12Pcs Lm4Uu Linear Ball 12-pack built for smooth installs and solid results\u003cbr\u003e✔️ 12pcs LM4UU Linear Ball Bearings, 4mm Bore Dia, 8mm OD,12mm Length, Linear Motion Bearing for CNC Machine\u003c\/p\u003e\u003cp\u003eThis 12 pack is meant for clean replacement or upgrade work where fit and smooth operation matter.\u003cbr\u003e\u003cbr\u003e✅ Package Included: 12pcs Metric Double Seal Linear Bearing\u003cbr\u003e✅ Model: LM4UU, Bore Diameter (dr): 4mm, Outer Diameter (D): 8mm, Total Length (L): 12mm. Static Load Capacity (Cor): 88.2N, Dynamic Load Capacity (Cr): 108N\u003cbr\u003e✅ Quality Material: The linear bearing is made of bearing steel, which has good abrasion resistance, high precision, and good strength, plated surface treatment can operate under high-temperature conditions.\u003cbr\u003e✅ Design - Linear bearings allow low noise, smooth movement, low friction, high rigidity, and long service life. Designed with two rubber dust sealed to prevent dirt, water, or other items from ingress.\u003cbr\u003e✅ High Precision - Rely on precise dimensions and manufacturing processes, the linear bearings support highly consistent motion control. They maintain stable linear motion while reducing friction and vibration, allowing for higher precision requirements.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 What lubrication setup helps a ballscrew run smoother at higher speeds?\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":"Amazon","offers":[{"title":"Default Title","offer_id":47387699773675,"sku":"VXB0CR46X4LZ","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/12pc-lm4uu-linear-ball-bearings-4mm-bore.jpg?v=1770448222","url":"https:\/\/vxb.com\/products\/12pcs-lm4uu-linear-ball-bearings-4mm-bore-dia","provider":"VXB Bearings","version":"1.0","type":"link"}