{"product_id":"309m-mrc-max-type-ball-bearing-45-mm-id-100-mm-od","title":"309M MRC Max Type Ball Bearing 45 Mm ID 100 Mm OD 25 Mm Wide Open Cage Metal Radial Bearing Open Housing No Snap Ring Ideal For Heavy Machinery And Industrial Equipment Maintenance","description":"\u003cdiv\u003ePremium MRC 309M Max Type Ball Bearings for Heavy Loads\u003cbr\u003e\n✔️ 45 mm bore, 100 mm OD, open, single-row, 1 bearing \u003cp\u003eThe MRC 309M is a heavy-duty, open radial ball bearing from the 300-M medium series by MRC Bearing Service. This single-row, unsealed unit is built for heavy radial loads and is commonly used in conveyors, presses, and other large machinery where easy service and open housing fit are required.\u003c\/p\u003e \u003cp\u003e✅ Bore: 45 mm\u003cbr\u003e✅ Outer diameter: 100 mm\u003cbr\u003e✅ Width: 25 mm\u003cbr\u003e✅ Open, unsealed design\u003cbr\u003e✅ Single-row radial bearing\u003cbr\u003e✅ Material: steel; Cage: metal\u003cbr\u003e✅ Precision: ABEC 1\u003cbr\u003e✅ Dynamic load rating: 13,400 lbf\u003cbr\u003e✅ Static load rating: 10,500 lbf\u003cbr\u003e✅ Limiting speed (grease): 5,700 rpm\u003cbr\u003e✅ Limiting speed (oil): 7,000 rpm\u003cbr\u003e✅ Weight: 2.015 lb\u003cbr\u003e✅ Bearing type: radial\u003cbr\u003e✅ Enclosure: open\u003cbr\u003e✅ Seal: none\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a heavy-duty radial ball bearing used for in industrial machinery and how to pick the right size?\u003c\/p\u003e\n\u003cp\u003eA handy guide for common installations.\u003c\/p\u003e\n- Match bore and outer diameter to shaft and housing to ensure proper fit.\u003cbr\u003e\n- Consider load direction and speed to choose lubrication and internal clearance.\u003cbr\u003e\n- Decide between open vs sealed based on environment and contamination risk.\u003cbr\u003e\n- Check mounting tolerances and alignment to maximize life.\u003cbr\u003e\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52603178910015,"sku":"MRC-1132546","price":325.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/mrc-309m-open-radial-ball-bearing.jpg?v=1776624903","url":"https:\/\/bearingscanada.com\/products\/309m-mrc-max-type-ball-bearing-45-mm-id-100-mm-od","provider":"Bearings Canada","version":"1.0","type":"link"}