{"product_id":"needle-roller-bearing-na6903uu-single-machined-cag","title":"Needle roller bearing NA6903UU, single machined caged type 17 mm ID x 30 mm OD x 23 mm W, high carbon steel, oil hole, sealed unit with inner ring, NA69 series, 7500 rpm, 19,800 N dynamic capacity","description":"Single NA6903UU needle roller bearing, sealed unit\u003cbr\u003e\n✔️ 17 mm ID x 30 mm OD x 23 mm W, high-carbon steel, oil hole\n\n\u003cp\u003eThis is a single machined caged needle roller bearing with inner ring and seals, built for heavy-duty shafts and compact linear slide units where space is tight.\u003c\/p\u003e\n\n✅ Machined caged type for precise shaft guidance and low axial play\u003cbr\u003e\n✅ 17 mm inside diameter, 30 mm outside diameter, 23 mm width (metric NA69 series)\u003cbr\u003e\n✅ High carbon steel raceways with synthetic rubber seals and integrated oil hole\u003cbr\u003e\n✅ Includes inner ring; sealed unit suitable as a sealed ball bearing replacement in some linear slide units\u003cbr\u003e\n✅ Dynamic capacity ~19,800 N, static capacity ~30,600 N; max speed around 7,500 rpm\u003cbr\u003e\n✅ Ideal for applications needing high radial load support in tight radial spaces\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in compact linear slide units?\nNeedle roller bearings are handy when you need high radial load capacity in a slim package.\n- Supports heavy radial loads on small-diameter shafts, useful for compact linear slide units and shaft guides\n- Low friction profile and sealed options make them a good sealed ball bearing alternative in confined assemblies\n- Inner ring and synthetic seals help extend service life in lubricated or oil-hole maintainable setups\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969471070443,"sku":"1912024","price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/needle-roller-bearing-na6903uu-machined-cage.png?v=1775239705","url":"https:\/\/vxb.com\/products\/needle-roller-bearing-na6903uu-single-machined-cag","provider":"VXB Bearings","version":"1.0","type":"link"}