{"product_id":"single-na4909uu-machined-needle-roller-bearing-45","title":"Single NA4909UU Machined Needle Roller Bearing, 45 mm ID x 68 mm OD x 22 mm Width, High Carbon Steel with Oil Hole for Linear Slide Unit, Heavy Duty Industrial Applications","description":"Single NA4909UU machined needle bearing, 45×68×22 mm\u003cbr\u003e\n✔️ Model NA4909UU; high carbon steel; oil hole; 45×68×22 mm\n\n\u003cp\u003eThis single machined needle roller bearing is built for compact shafts and linear slide units in industrial machinery, automation, and power transmission.\u003c\/p\u003e\n\n✅ Inside diameter: 45 mm; Outside diameter: 68 mm; Width: 22 mm\u003cbr\u003e\n✅ High carbon steel; machined type with oil hole for lubrication\u003cbr\u003e\n✅ Designed for linear slide units, compact shafts, gearboxes, and transmissions\u003cbr\u003e\n✅ Single bearing (pack of 1) for replacement and prototype builds\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in linear slide unit and compact shaft applications?\n\nNeedle roller bearings deliver high radial load capacity in a slim profile, ideal where a sealed ball bearing would be too large or space is limited.\n\nUse this bearing when you need compact form factor and strong radial support for guided motion and power transfer.\n- High radial load support in tight axial envelopes, replacing larger sealed ball bearing options\n- Fits compact shafts and linear slide unit guides for accurate motion control and long service life\n- Machined type with oil hole allows routine lubrication for durability in gearboxes and transmissions\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511479103807,"sku":"863224","price":328.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/na4909uu-needle-roller-bearing-45x68x22.png?v=1776636034","url":"https:\/\/bearingscanada.com\/products\/single-na4909uu-machined-needle-roller-bearing-45","provider":"Bearings Canada","version":"1.0","type":"link"}