{"product_id":"na4906-single-machined-needle-roller-bearing-na49","title":"NA4906 Single Machined Needle Roller Bearing NA49 Series, 30 mm ID, 47 mm OD, 17 mm Width, High-Carbon Steel Inner Ring with Oil Hole, Caged Metric Unit for Linear Slide Shafts","description":"Single NA4906 machined needle bearing 30×47×17 mm\u003cbr\u003e\n✔️ High carbon steel inner ring, oil holes, caged NA4906 unit\n\n\u003cp\u003eThis single machined needle roller bearing is a compact, high-load bearing with an inner ring and oil holes. It fits shafts and linear slide units used in machine tools, robotics and transmissions.\u003c\/p\u003e\n\n✅ Model: NA4906, NA49 metric series\u003cbr\u003e\n✅ Type: Caged machined needle roller bearing\u003cbr\u003e\n✅ Inner diameter: 30 mm, Outer diameter: 47 mm\u003cbr\u003e\n✅ Width: 17 mm, High carbon steel inner ring\u003cbr\u003e\n✅ Oil hole: With oil holes for lubrication\u003cbr\u003e\n✅ Dynamic load capacity: 25200 N, Static capacity: 34700 N\u003cbr\u003e\n✅ Max speed: 11000 rpm, Open enclosure\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in linear slide units and shaft support applications?\nNeedle roller bearings give compact, high-radial-load support for shafts and guide rails.\nQuick take:\n- Ideal when you need a handy, space-saving bearing for high radial loads in linear slide units.\n- Caged, machined designs help keep rollers aligned and let oil-hole lubrication reach rolling elements.\n- Often used in machine tools, robotics, transmissions and other shaft support setups where load capacity and compact size matter.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969418543339,"sku":"1912005","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/0fbe26055cdd5d9ef62a01126c907ab9.png?v=1775238548","url":"https:\/\/vxb.com\/products\/na4906-single-machined-needle-roller-bearing-na49","provider":"VXB Bearings","version":"1.0","type":"link"}