{"product_id":"timken-558a-single-row-tapered-roller-bearing-cone","title":"Timken 558A Single Row Tapered Roller Bearing Cone","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"563\"\u003eThe Timken 558A Tapered Roller Bearing Cone is a precision single-row tapered roller bearing cone designed to support heavy combined radial and axial loads in demanding industrial and mobile equipment. Its separable cone design simplifies installation and maintenance while providing high load capacity, accurate shaft alignment, and extended service life. It is commonly used in industrial gearboxes, rolling mills, mining equipment, construction machinery, heavy-duty axles, and power transmission systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"565\" data-end=\"582\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"583\" data-end=\"1037\"\u003eThe Timken 558A Tapered Roller Bearing Cone is engineered for applications requiring reliable radial and thrust load support, precise shaft positioning, and dependable rotational performance. It is designed to mate with the Timken 552A bearing cup and is widely used in industrial gearboxes, mining and aggregate equipment, rolling mills, heavy-duty conveyors, agricultural machinery, and power transmission systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1039\" data-end=\"1068\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1069\" data-end=\"2292\"\u003e• Manufacturer Part Number (MPN): 558A\u003cbr data-start=\"1107\" data-end=\"1110\"\u003e• Manufacturer: Timken\u003cbr data-start=\"1132\" data-end=\"1135\"\u003e• Product Type: Tapered Roller Bearing Cone\u003cbr data-start=\"1178\" data-end=\"1181\"\u003e• Bearing Type: Single Row Tapered Roller Bearing (TS)\u003cbr data-start=\"1235\" data-end=\"1238\"\u003e• Cone Part Number: 558A\u003cbr data-start=\"1262\" data-end=\"1265\"\u003e• Compatible Cup Part Number: 552A\u003cbr data-start=\"1299\" data-end=\"1302\"\u003e• Series: 555 Series\u003cbr data-start=\"1322\" data-end=\"1325\"\u003e• Design Units: Inch\u003cbr data-start=\"1345\" data-end=\"1348\" data-is-only-node=\"\"\u003e• Cage Material: Stamped Steel\u003cbr data-start=\"1378\" data-end=\"1381\"\u003e• Bore Diameter (ID): 2.3750 in (60.325 mm)\u003cbr data-start=\"1424\" data-end=\"1427\"\u003e• Inner Ring Width (B): 1.4440 in (36.678 mm)\u003cbr data-start=\"1472\" data-end=\"1475\"\u003e• Overall Bearing Width (with 552A Cup): 1.5000 in (38.100 mm)\u003cbr data-start=\"1537\" data-end=\"1540\"\u003e• Dynamic Radial Load Rating (C90): 11,100 lbf (49,400 N)\u003cbr data-start=\"1597\" data-end=\"1600\"\u003e• Dynamic Radial Load Rating (C1): 42,900 lbf (191,000 N)\u003cbr data-start=\"1657\" data-end=\"1660\"\u003e• Dynamic Axial Load Rating (Ca90): 6,590 lbf (29,300 N)\u003cbr data-start=\"1716\" data-end=\"1719\"\u003e• Static Radial Load Rating (C0): 55,700 lbf (248,000 N)\u003cbr data-start=\"1775\" data-end=\"1778\"\u003e• Maximum Shaft Fillet Radius: 0.140 in (3.600 mm)\u003cbr data-start=\"1828\" data-end=\"1831\"\u003e• Shaft Backing Shoulder Diameter – Frontface (da): 2.72 in (69 mm)\u003cbr data-start=\"1898\" data-end=\"1901\"\u003e• Shaft Backing Shoulder Diameter – Backface (db): 2.99 in (76 mm)\u003cbr data-start=\"1967\" data-end=\"1970\"\u003e• Effective Center Location: -0.37 in (-9.4 mm)\u003cbr data-start=\"2017\" data-end=\"2020\"\u003e• Geometry Factor (Cg): 0.111\u003cbr data-start=\"2049\" data-end=\"2052\"\u003e• K Factor: 1.69\u003cbr data-start=\"2068\" data-end=\"2071\"\u003e• Weight (Cone Only): 9.28 lb (4.21 kg)\u003cbr data-start=\"2110\" data-end=\"2113\"\u003e• Typical Applications: Industrial Gearboxes, Rolling Mills, Mining Equipment, Construction Machinery, Heavy-Duty Power Transmission Systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2294\" data-end=\"2318\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2319\" data-end=\"2438\"\u003e• SKF Equivalent Tapered Roller Bearing Cone\u003cbr data-start=\"2363\" data-end=\"2366\"\u003e• NTN Equivalent Tapered Roller Bearing Cone\u003cbr data-start=\"2410\" data-end=\"2413\"\u003e• Timken 552A Bearing Cup\u003c\/p\u003e","brand":"Timken","offers":[{"title":"New","offer_id":51714045313326,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_bdae2f1c-baac-4f97-918f-ef62d37f83ec.jpg?v=1770414810","url":"https:\/\/plgautomation.com\/products\/timken-558a-single-row-tapered-roller-bearing-cone","provider":"PLG Automation ","version":"1.0","type":"link"}