{"product_id":"machined-caged-needle-roller-rna4902-bearing-20-mm","title":"Machined Caged Needle Roller RNA4902 Bearing, 20 mm ID x 28 mm OD x 13 mm Width, High Carbon Steel, Open Type with Oil Hole, Single Metric RNA49 Series","description":"Single machined caged needle roller RNA4902 model\u003cbr\u003e\n✔️ 20 mm ID x 28 mm OD x 13 mm width; high carbon steel; oil hole\n\n\u003cp\u003eThis single machined caged needle roller bearing (RNA4902) is an open-design bearing for high radial loads in tight spaces, commonly used in automotive gearboxes, industrial actuators, and linear slide units.\u003c\/p\u003e\n\n✅ Model: RNA4902, RNA49 Metric Series\u003cbr\u003e\n✅ Type: Machined caged needle roller, open design\u003cbr\u003e\n✅ Dimensions: 20 mm ID, 28 mm OD, 13 mm width\u003cbr\u003e\n✅ Material: High carbon steel; includes oil hole for relubrication\u003cbr\u003e\n✅ Load ratings: Dynamic 10,900 N, Static 13,800 N\u003cbr\u003e\n✅ Max speed: up to 20,000 rpm; single bearing pack\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in linear slide units and compact machinery?\nThis explains why needle roller bearings are handy for tight, load-critical applications.\n- They provide high radial load capacity in a low-profile package, ideal for linear slide unit guides and compact gearboxes.\n- They can replace sealed ball bearing options when space is limited or higher load per diameter is needed.\n- Look for oil hole features for re-lubrication in heavy-duty or high-speed setups; consider ceramic options for specialized low-friction needs.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969381646571,"sku":"861697","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/07606999212d4e3577eec009c0978516.jpg?v=1773714914","url":"https:\/\/vxb.com\/products\/machined-caged-needle-roller-rna4902-bearing-20-mm","provider":"VXB Bearings","version":"1.0","type":"link"}