{"product_id":"unknown-ntn-6221c3-bearing","title":"UNKNOWN NTN 6221C3 BEARING","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"535\"\u003eThe Unknown NTN 6221C3 Bearing is used in industrial power transmission and rotating equipment to support radial and axial loads while providing smooth, low-friction operation. Commonly installed in \u003ca href=\"https:\/\/plgautomation.com\/collections\/drives-motor-control\"\u003eelectric motors\u003c\/a\u003e, pumps, gearboxes, compressors, conveyors, and manufacturing machinery requiring reliable high-speed bearing performance. Maintenance teams, OEMs, and system integrators use this bearing for repair, retrofit, expansion, or replacement of existing rolling element bearings. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"537\" data-end=\"554\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"556\" data-end=\"1132\"\u003eThe Unknown NTN 6221C3 Bearing is used in industrial applications requiring high-speed rotation and dependable load carrying capability. It is commonly found in electric motors, fans, pumps, compressors, conveyor systems, agricultural machinery, and industrial gearboxes where low friction, long service life, and resistance to operating temperature variations are essential. The C3 internal clearance provides greater radial clearance than standard bearings, making it suitable for applications with thermal expansion or higher operating speeds.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1134\" data-end=\"1163\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1165\" data-end=\"2037\"\u003e• Manufacturer: Unknown \/ NTN\u003cbr data-start=\"1184\" data-end=\"1187\"\u003e• Part Number: 6221C3\u003cbr data-start=\"1208\" data-end=\"1211\"\u003e• Product Type: Deep Groove Ball Bearing\u003cbr data-start=\"1251\" data-end=\"1254\"\u003e• Bearing Series: 62 Series\u003cbr data-start=\"1281\" data-end=\"1284\"\u003e• Bearing Design: Single Row Deep Groove\u003cbr data-start=\"1324\" data-end=\"1327\"\u003e• Bore Diameter (ID): 105 mm\u003cbr data-start=\"1355\" data-end=\"1358\"\u003e• Outside Diameter (OD): 190 mm\u003cbr data-start=\"1389\" data-end=\"1392\"\u003e• Width: 36 mm\u003cbr data-start=\"1406\" data-end=\"1409\"\u003e• Internal Clearance: C3 (Greater than Normal)\u003cbr data-start=\"1455\" data-end=\"1458\"\u003e• Closure Type: Open\u003cbr data-start=\"1478\" data-end=\"1481\"\u003e• Cage Material: Pressed Steel\u003cbr data-start=\"1511\" data-end=\"1514\"\u003e• Bearing Material: High Carbon Chrome Steel\u003cbr data-start=\"1558\" data-end=\"1561\"\u003e• Dynamic Load Rating: 147 kN\u003cbr data-start=\"1590\" data-end=\"1593\"\u003e• Static Load Rating: 105 kN\u003cbr data-start=\"1621\" data-end=\"1624\"\u003e• Fatigue Limit Load: 6.75 kN\u003cbr data-start=\"1653\" data-end=\"1656\"\u003e• Maximum Speed (Grease): 3,400 RPM\u003cbr data-start=\"1691\" data-end=\"1694\"\u003e• Maximum Speed (Oil): 4,000 RPM\u003cbr data-start=\"1726\" data-end=\"1729\"\u003e• Operating Temperature: -40°C to +120°C\u003cbr data-start=\"1769\" data-end=\"1772\"\u003e• Minimum Fillet Radius: 2.1 mm\u003cbr data-start=\"1803\" data-end=\"1806\"\u003e• Weight: Approximately 3.7 kg\u003cbr data-start=\"1836\" data-end=\"1839\"\u003e• ISO Precision Class: Class 0 (ABEC 1 Equivalent)\u003cbr data-start=\"1889\" data-end=\"1892\"\u003e• Suitable for High-Speed and Continuous Duty Industrial Applications \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2039\" data-end=\"2063\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2065\" data-end=\"2227\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• SKF 6221\/C3 Deep Groove Ball Bearing\u003cbr data-start=\"2103\" data-end=\"2106\"\u003e• FAG 6221-C3 Deep Groove Ball Bearing\u003cbr data-start=\"2144\" data-end=\"2147\"\u003e• Timken 6221 C3 Deep Groove Ball Bearing\u003c\/p\u003e","brand":"UNKNOWN","offers":[{"title":"New","offer_id":51728778035502,"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_fa41ed9a-f8a5-4db7-bc30-a5b44d8ac405.jpg?v=1770587645","url":"https:\/\/plgautomation.com\/products\/unknown-ntn-6221c3-bearing","provider":"PLG Automation ","version":"1.0","type":"link"}