{"product_id":"needle-roller-rnaf556820-separable-caged-bearing-5","title":"Needle Roller RNAF556820 Separable Caged Bearing, 55 mm ID x 68 mm OD x 20 mm Width, High-Carbon Steel, Open Type, Single-Row Metric for Heavy-Duty Applications","description":"\u003cp\u003eSingle needle roller bearing RNAF556820, metric\u003cbr\u003e\n✔️ 55 mm ID x 68 mm OD x 20 mm width; open type, 9000 rpm max\u003c\/p\u003e\n\n\u003cp\u003eThis single, open needle roller bearing with a separable cage fits compact shafts and housings. It is commonly used in industrial machinery, gearboxes, transmissions and linear slide units where tight radial space and high load capacity are required.\u003c\/p\u003e\n\n\u003cp\u003e✅ Model: RNAF556820, single-row caged separable\u003cbr\u003e\n✅ Dimensions: 55 mm ID x 68 mm OD x 20 mm width\u003cbr\u003e\n✅ Material: high-carbon steel; open enclosure, no oil hole\u003cbr\u003e\n✅ Load ratings: dynamic 28600 N; static 66000 N; max speed 9000 rpm\u003cbr\u003e\n✅ Application: ideal for tight radial spaces, linear slide unit installations\u003cbr\u003e\n✅ Notes: compare with sealed ball bearing or ceramic options for specific needs\u003cbr\u003e\n✅ Series: RNAF Metric Series; weight ~0.370 lb; sold as single bearing each\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in linear slide units?\nNeedle roller bearings are handy when you need high radial load capacity in small spaces while keeping shaft diameter low.\n- Provides high radial load support with a slim cross section and keeps systems compact\n- Works well in linear slide unit setups where space is tight and guiding accuracy matters\n- A good choice over sealed ball bearing options when radial load capacity is the priority\n- Consider ceramic or sealed alternatives for lower friction or contamination protection\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511317918015,"sku":"862456","price":143.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/needle-roller-bearing-55x68x20-open-caged.png?v=1776639560","url":"https:\/\/bearingscanada.com\/products\/needle-roller-rnaf556820-separable-caged-bearing-5","provider":"Bearings Canada","version":"1.0","type":"link"}