{"product_id":"lbb6uu-3-8-inch-linear-motion-ball-0752","title":"LBB6UU 3\/8\" Linear Motion Ball Bushing - Sealed","description":"\u003cp\u003e\u003cstrong\u003eLBB6UU Linear Motion Ball Bushing\u003c\/strong\u003e\u003cbr\u003e✔️ 3\/8\" Bore - Sealed - Precision Linear Bearing - One Unit\u003c\/p\u003e\n\u003cp\u003eThe LBB6UU is a high-precision linear motion ball bushing designed with seals on both sides and a resin retainer for smooth, guided motion. With a 3\/8\" inner diameter, it's perfect for American-sized shafting in automation, 3D printing, and CNC applications.\u003c\/p\u003e\n\u003cp\u003e✅ Shaft diameter: 3\/8 inch\u003cbr\u003e✅ Sealed on both sides for dust protection\u003cbr\u003e✅ High-accuracy linear bushing design\u003cbr\u003e✅ Resin retainer for quiet, smooth operation\u003cbr\u003e✅ Dynamic load rating: 225 N\u003cbr\u003e✅ Static load rating: 314 N\u003cbr\u003e✅ Made for linear motion systems common in U.S. builds\u003cbr\u003e✅ Sold as one linear bearing\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMajor Dimensions and Tolerances (in inches):\u003c\/strong\u003e\u003cbr\u003e✅ dr: 3\/8\" (tolerance: 0 to -0.0004\")\u003cbr\u003e✅ D: 5\/8\" (tolerance: 0 to -0.0005\")\u003cbr\u003e✅ L: 7\/8\" (tolerance: 0 to -0.008\")\u003cbr\u003e✅ B: 33\/64\" (tolerance: 0 to -0.008\")\u003cbr\u003e✅ W: 3\/64\"\u003cbr\u003e✅ D1: 37\/64\"\u003cbr\u003e✅ Eccentricity: 0.0003\"\u003cbr\u003e✅ Radial clearance: 0.0005\"\u003c\/p\u003e\n\u003cp\u003e💡 \u003cstrong\u003eWhy use linear motion ball bushings like LBB6UU?\u003c\/strong\u003e\u003cbr\u003eLinear ball bushings are ideal for applications where precise, low-friction motion is critical. They're often used in CNC machines, automation equipment, and robotics due to their smooth travel, high repeatability, and ease of replacement.\u003c\/p\u003e\n\u003cp\u003ePerfect for compact linear setups needing precision guidance on U.S.-sized shafting.\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49312752795841,"sku":"LBB6UU-LINEAR","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/1_53fbbf7d-232a-488f-89ba-06e7a210d72f.jpg?v=1748647231","url":"https:\/\/smallbearings.com\/zh\/products\/lbb6uu-3-8-inch-linear-motion-ball-0752","provider":"Small Bearings","version":"1.0","type":"link"}