{"product_id":"machined-needle-roller-bearing-na4909-inner-ring-w","title":"Machined Needle Roller Bearing NA4909, Inner Ring with Oil Hole, High-Carbon Steel, 45 mm ID x 68 mm OD x 22 mm Width, Caged NA49 Metric Series, Single Unit","description":"Machined needle roller bearing NA4909, single unit\u003cbr\u003e✔️ 45 mm ID x 68 mm OD x 22 mm W, high-carbon steel, oil hole\n\n\u003cp\u003eThis machined-type needle roller bearing includes an inner ring and fits compact transmissions, actuators and linear slide units where radial space is limited.\u003c\/p\u003e\n\n✅ Model: NA4909 (NA49 Metric Series), caged machined type\u003cbr\u003e\n✅ Inner ring included, open enclosure with oil holes for lubrication\u003cbr\u003e\n✅ Dynamic load capacity 43500 N, static load capacity 73300 N\u003cbr\u003e\n✅ Maximum speed 7500 rpm, high-carbon steel construction, weight ~1.0 lb each\u003cbr\u003e\n✅ Dimensions: 45 mm ID x 68 mm OD x 22 mm width, single bearing pack\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in linear slide units and compact machinery?\u003cbr\u003eNeedle roller bearings are handy when you need a thin cross-section with strong radial load support.\u003cbr\u003e- Ideal for tight-space linear slide unit guides, cam followers, and compact gearboxes.\u003cbr\u003e- Choose over a sealed ball bearing when slimmer profiles and higher load capacity matter.\u003cbr\u003e- Consider ceramic rollers or hybrid systems for higher rpm or lower friction needs.\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511275942207,"sku":"1912010","price":192.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/needle-roller-bearing-na4909-inner-ring.png?v=1776640477","url":"https:\/\/bearingscanada.com\/products\/machined-needle-roller-bearing-na4909-inner-ring-w","provider":"Bearings Canada","version":"1.0","type":"link"}