{"product_id":"skf-bearing-3309-ac3-double-row-back-to-back-arran","title":"SKF Bearing 3309 AC3 Double Row Back To Back Arrangement With 45 Mm Bore High Load Capacity 75 kN Dynamic 53 kN Static Bearing Steel Cage Sheet Metal No Coating For Industrial Machinery","description":"\u003cdiv\u003eSKF 3309 A\/C3 double-row ball bearing with 45 mm bore\u003cbr\u003e\n✔️ Double-row, back-to-back, C3, bore 45 mm, width 39.7 mm, single pack \u003cp\u003e\n\u0026lt; p\u0026gt; SKF 3309 A\/C3 is a rugged double-row bearing built for radial loads in machinery like conveyors, motors, and gear trains. The back-to-back arrangement helps resist tilting moments and maintains shaft alignment in tight spaces. This model carries C3 internal clearance and is positioned for reliable high-speed operation when lubricated properly. Outer diameter is about 98.8 mm, with a 45 mm bore and 39.7 mm width to fit compact assemblies.\u003c\/p\u003e\n \u003cp\u003e✅ Double-row, back-to-back arrangement\u003cbr\u003e\n✅ Backed by C3 clearance for higher speed and misalignment tolerance\u003cbr\u003e\n✅ Bore 45 mm (1.77 in), width 39.7 mm (1.56 in)\u003cbr\u003e\n✅ Outer diameter approx 98.8 mm (3 8\/9 in)\u003cbr\u003e\n✅ Basic dynamic load rating 75 kN, static 53 kN\u003cbr\u003e\n✅ Reference speed 7500 r\/min; SKF Explorer performance\u003cbr\u003e\n✅ One-piece inner and outer rings; bearing steel, sheet metal cage\u003cbr\u003e\n\u003c\/p\u003e \u003cp\u003e💡 What is a double-row ball bearing used for in general machinery?\u003c\/p\u003e\n\u003cp\u003eA handy overview to help buyers understand typical roles in everyday gear and drive setups.\u003c\/p\u003e\n- double-row bearing supports high radial loads in compact layouts\n- handy for motors, conveyors, and gearboxes where shaft alignment matters\n- choosing C3 clearance helps with high speed and thermal expansion\n\n\u003c\/div\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47994204913899,"sku":"SKF-315821","price":230.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/skf-3309-double-row-ball-bearing.png?v=1775256541","url":"https:\/\/vxb.com\/products\/skf-bearing-3309-ac3-double-row-back-to-back-arran","provider":"VXB Bearings","version":"1.0","type":"link"}