{"product_id":"lm4uu-linear-motion-4mm-ball-bushi","title":"LM4UU Linear Motion 4mm Miniature Ball Bushing","description":"\u003cp\u003eLM4UU Miniature Linear Ball Bushing\u003cbr\u003e✔️ Fits 4mm Shafts - Smooth Linear Motion\u003c\/p\u003e\n\u003cp\u003eThe LM4UU linear motion ball bushing is designed to guide 4mm shafts with minimal friction and high precision. With built-in rubber seals and four ball circuits, it’s ideal for compact CNC machines, 3D printers, and automation systems.\u003c\/p\u003e\n\u003cp\u003e✅ Type: Linear motion ball bushing\u003cbr\u003e✅ Inner diameter: 4mm\u003cbr\u003e✅ Outer diameter: 8mm\u003cbr\u003e✅ Length: 12mm\u003cbr\u003e✅ Number of ball circuits: 4\u003cbr\u003e✅ Dynamic load rating (Cr): 88 N\u003cbr\u003e✅ Static load rating (Cor): 127 N\u003cbr\u003e✅ Built-in rubber seals\u003cbr\u003e✅ Quantity: One bearing\u003c\/p\u003e\n\u003cp\u003e💡 What does a linear ball bushing do in motion systems?\u003cbr\u003eLinear ball bushings allow smooth, low-friction sliding along a shaft while maintaining tight tolerance and alignment. They’re commonly used in precision machines to support accurate, repeatable movement.\u003c\/p\u003e\n\u003cp\u003eA compact, reliable bearing for precise linear applications on 4mm shafts.\u003cbr\u003e\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49310457725121,"sku":"LM4UU","price":5.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/lm4uu-linear-motion-4mm-ball-bushing-vxb-ball-bearings-1_06354f9f-6b1d-4f7f-8f89-040bc2f810cd.jpg?v=1748646832","url":"https:\/\/smallbearings.com\/zh\/products\/lm4uu-linear-motion-4mm-ball-bushi","provider":"Small Bearings","version":"1.0","type":"link"}