{"product_id":"rna4909-machined-caged-needle-roller-bearing-52-mm","title":"RNA4909 Machined Caged Needle Roller Bearing, 52 mm ID x 68 mm OD x 22 mm Width, High Carbon Steel, Open Single Bearing Unit with Oil Hole, SKU 862399","description":"Single RNA4909 caged needle roller bearing 52 mm ID\u003cbr\u003e\n✔️ 52 mm ID x 68 mm OD x 22 mm W, high carbon steel, oil hole\n\n\u003cp\u003eThis single RNA4909 machined caged needle roller bearing is a compact, high-load option used in linear slide units, precision shafts, gearbox assemblies, and constrained industrial spaces where thin cross-sections and strong radial capacity are needed.\u003c\/p\u003e\n\n✅ Type: Caged machined, open, single-row\u003cbr\u003e\n✅ Series\/model: RNA49 metric series, RNA4909\u003cbr\u003e\n✅ Dimensions: 52 mm ID x 68 mm OD x 22 mm width\u003cbr\u003e\n✅ Material: High carbon steel; dynamic capacity 43500 N, static capacity 73300 N\u003cbr\u003e\n✅ Max speed 7500 rpm; oil holes for lubrication; weight 0.430 lb; SKU 862399\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in linear slide units and compact shafts?\nNeedle roller bearings support high radial loads in tight spaces and are handy when a thin profile and strong load capacity are needed.\n- Ideal for linear slide unit guides, compact shafts, gearbox bearings, and other constrained assemblies\n- Offers higher radial load capacity than many sealed ball bearing solutions while saving radial space\n- Preferred when ceramic options are unnecessary; caged machined types simplify lubrication and maintenance\n\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969346912491,"sku":"862399","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/8931fe0c0d072c7e9af5dd7be3612842.jpg?v=1773717651","url":"https:\/\/vxb.com\/products\/rna4909-machined-caged-needle-roller-bearing-52-mm","provider":"VXB Bearings","version":"1.0","type":"link"}