{"product_id":"skf-bearing-qj-306-ma","title":"SKF Bearing QJ 306 MA Four Point Contact Ball Bearing 30 Mm Bore Machined Metal Cage Bearing Steel CN Axial Internal Clearance 53 kN Dynamic Load Rating 41.5 kN Static Load Rating","description":"\u003cdiv\u003eSKF QJ 306 MA 30mm bore four-point contact bearing, 1pc\u003cbr\u003e\n✔️ CN axial clearance; 53 kN dynamic; 41.5 kN static; 30 mm bore \u003cp\u003eThis precision bearing from SKF uses four-point contact to handle mixed loads in compact machinery. It's commonly used in gearboxes, conveyors, packaging lines, and printing presses where shaft alignment and load distribution matter.\u003c\/p\u003e \u003cp\u003e✅ Axial internal clearance CN\u003cbr\u003e✅ Basic dynamic load rating 53 kN\u003cbr\u003e✅ Basic static load rating 41.5 kN\u003cbr\u003e✅ Bearing material Bearing steel\u003cbr\u003e✅ Bore diameter 30 mm (1.18 in)\u003cbr\u003e✅ Cage Machined metal\u003cbr\u003e✅ Contact type Four-point contact\u003cbr\u003e✅ Ring type Two-piece inner ring and one-piece outer ring\u003cbr\u003e✅ Sealing Without\u003cbr\u003e✅ Lubricant None\u003cbr\u003e✅ Outer ring locating feature None\u003cbr\u003e✅ Width 19 mm (0.75 in)\u003cbr\u003e✅ Outer diameter 72 mm (2.83 in)\u003cbr\u003e✅ Pack size Single bearing\u003cbr\u003e\u003c\/p\u003e \u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\" style=\"border-collapse: collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eMetric\u003c\/th\u003e\n\u003cth\u003eInches\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore diameter\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003ctd\u003e1.18 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e72 mm\u003c\/td\u003e\n\u003ctd\u003e2.83 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e19 mm\u003c\/td\u003e\n\u003ctd\u003e0.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack length\u003c\/td\u003e\n\u003ctd\u003e76 mm\u003c\/td\u003e\n\u003ctd\u003e2.99 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack width\u003c\/td\u003e\n\u003ctd\u003e23 mm\u003c\/td\u003e\n\u003ctd\u003e0.91 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack height\u003c\/td\u003e\n\u003ctd\u003e78 mm\u003c\/td\u003e\n\u003ctd\u003e3.07 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \u003cp\u003e💡 What is a four-point contact bearing used for in industrial machinery?\u003c\/p\u003e\n\u003cp\u003eHandy for compact setups needing reliable axial and radial load support.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFour-point contact bearings provide stability under mixed loading\u003c\/li\u003e\n\u003cli\u003eThey help keep shafts aligned under varying loads\u003c\/li\u003e\n\u003cli\u003eCommon in gearboxes, conveyors, and printing equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52603337638207,"sku":"SKF-313661","price":591.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/skf-qj306ma-four-point-bearing-30mm.png?v=1776621634","url":"https:\/\/bearingscanada.com\/products\/skf-bearing-qj-306-ma","provider":"Bearings Canada","version":"1.0","type":"link"}