{"product_id":"caged-machined-needle-roller-rna4942-single-bearin","title":"Caged Machined Needle Roller RNA49\/42 Single Bearing, 50 mm ID x 65 mm OD x 22 mm Width, High Carbon Steel, With Oil Hole, Open Metric Series, Heavy Load Capacity","description":"Caged machined needle roller, single metric bearing\u003cbr\u003e\n✔️ 50 mm ID x 65 mm OD x 22 mm W; oil hole; open caged type\n\n\u003cp\u003eThis single caged machined needle roller bearing RNA49\/42 is made from high carbon steel for heavy radial loads in tight spaces. Ideal for linear slide units, compact gearboxes, and transmissions.\u003c\/p\u003e\n\n✅ Model: RNA49\/42 (RNA49 Metric Series)\u003cbr\u003e\n✅ Inner\/Outer\/Width: 50 mm × 65 mm × 22 mm\u003cbr\u003e\n✅ Material: High carbon steel, open caged type\u003cbr\u003e\n✅ Load ratings: Dynamic 42500 N, Static 70300 N\u003cbr\u003e\n✅ Max speed: 8000 rpm; single-row needle rollers\u003cbr\u003e\n✅ Features: Oil hole for continuous lubrication; can replace sealed ball bearing in tight areas\u003cbr\u003e\n✅ Typical uses: linear slide unit, transmissions, compact gearboxes\u003cbr\u003e\n✅ Pack size: single bearing, sold each\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller bearing used for in compact linear slide units?\nNeedle roller bearings deliver high radial capacity in a very low-profile design.\n- Provides strong radial load support in small envelope spaces, perfect for linear slide unit layouts.\n- Acts as a compact alternative to sealed ball bearing assemblies where axial space is limited.\n- Oil hole and proper lubrication boost service life; compatible with ceramic rollers or hardened races for durability.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969441480939,"sku":"862491","price":77.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/caged-machined-needle-roller-bearings-high-carbon-steel.jpg?v=1773724982","url":"https:\/\/vxb.com\/products\/caged-machined-needle-roller-rna4942-single-bearin","provider":"VXB Bearings","version":"1.0","type":"link"}