{"product_id":"timken-k38958-tapered-roller-bearing-cup-outer-ring","title":"Timken K38958 Tapered Roller Bearing Cup Outer Ring","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=\"870\"\u003eThe Timken K38958 tapered roller bearing cup is a precision single cup (outer ring) designed for use with the matching Timken NA12581SW tapered roller bearing cone to form a complete tapered roller bearing set capable of supporting combined radial and axial loads. Commonly installed in industrial gearboxes, conveyors, mining equipment, construction machinery, agricultural equipment, and power transmission systems, this bearing set provides precise shaft alignment, high load-carrying capacity, and reliable long-term performance in demanding industrial environments. Maintenance teams, OEMs, and system integrators specify the Timken NA12581SW\/K38958 tapered roller bearing set for equipment repair, replacement, machine rebuilds, and retrofits where dependable operation and extended bearing life are required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"872\" data-end=\"889\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"890\" data-end=\"1432\"\u003eThe Timken NA12581SW\/K38958 tapered roller bearing set is engineered for heavy-duty industrial applications requiring reliable support under combined radial and axial loads. It is widely used in industrial gear reducers, heavy-duty conveyors, mining and aggregate equipment, construction machinery, agricultural equipment, and power transmission systems where the matched cone and cup assembly delivers accurate shaft positioning, efficient load distribution, reduced friction, and extended service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1434\" data-end=\"1463\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1464\" data-end=\"2242\"\u003e• Manufacturer: Timken\u003cbr data-start=\"1486\" data-end=\"1489\"\u003e• Manufacturer Part Number (MPN): K38958 (Cup) \/ NA12581SW (Cone)\u003cbr data-start=\"1554\" data-end=\"1557\"\u003e• Product Type: Tapered roller bearing set\u003cbr data-start=\"1599\" data-end=\"1602\"\u003e• Bearing Type: TS single-row tapered roller bearing assembly\u003cbr data-start=\"1663\" data-end=\"1666\"\u003e• Series: 12500 Series\u003cbr data-start=\"1688\" data-end=\"1691\"\u003e• Design Series: TS (Tapered Single)\u003cbr data-start=\"1727\" data-end=\"1730\"\u003e• Cone Part Number: NA12581SW\u003cbr data-start=\"1759\" data-end=\"1762\"\u003e• Cup Part Number: K38958\u003cbr data-start=\"1787\" data-end=\"1790\"\u003e• Bore Diameter: 31.750 mm (1.2500 in)\u003cbr data-start=\"1828\" data-end=\"1831\"\u003e• Outside Diameter: 72.238 mm (2.8440 in)\u003cbr data-start=\"1872\" data-end=\"1875\"\u003e• Width (T): 33.338 mm (1.3125 in)\u003cbr data-start=\"1909\" data-end=\"1912\"\u003e• Cone Width (B): 33.338 mm (1.3125 in)\u003cbr data-start=\"1951\" data-end=\"1954\"\u003e• Cup Width (C): 25.400 mm (1.0000 in)\u003cbr data-start=\"1992\" data-end=\"1995\"\u003e• Cage Type: Stamped steel\u003cbr data-start=\"2021\" data-end=\"2024\"\u003e• Material: High-grade bearing steel\u003cbr data-start=\"2060\" data-end=\"2063\"\u003e• Load Type: Combined radial and axial loads\u003cbr data-start=\"2107\" data-end=\"2110\"\u003e• Weight: 1.41 kg (3.12 lb)\u003cbr data-start=\"2137\" data-end=\"2140\"\u003e• Compatible Cone\/Cup: Timken NA12581SW cone \/ Timken K38958 cup \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2244\" data-end=\"2268\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2269\" data-end=\"2380\"\u003e• Timken NA12581SW\/K38958 bearing set\u003cbr data-start=\"2306\" data-end=\"2309\"\u003e• NTN equivalent NA12581SW\/K38958\u003cbr data-start=\"2342\" data-end=\"2345\"\u003e• SKF equivalent NA12581SW\/K38958\u003c\/p\u003e","brand":"Timken","offers":[{"title":"New","offer_id":51714035745070,"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_dde77fb8-5470-4126-9d66-d4223b3dd102.jpg?v=1770414486","url":"https:\/\/plgautomation.com\/products\/timken-k38958-tapered-roller-bearing-cup-outer-ring","provider":"PLG Automation ","version":"1.0","type":"link"}