{"product_id":"608-open-ball-bearing","title":"608 Ball Bearing - 8x22x7","description":"\u003cdiv align=\"left\" dir=\"ltr\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px dotted rgb(22, 51, 64); height: 137.18px;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.9652%; background-color: rgb(240, 240, 240);\"\u003e \u003ccol style=\"width: 20.0348%;\"\u003e \u003ccol style=\"width: 29.9652%; background-color: rgb(240, 240, 240);\"\u003e \u003ccol style=\"width: 20.0348%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e\u003cstrong\u003eMODEL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e608\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e\u003cstrong\u003eIN DIAMETER (BORE)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e\u003cstrong\u003eTYPE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003eOpen\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e\u003cstrong\u003eOUT. DIAMETER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1944px;\"\u003e\u003cstrong\u003eMATERIAL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1944px;\"\u003e100% Chrome Steel\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1944px;\"\u003e\u003cstrong\u003eRPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1944px;\"\u003e34,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1944px;\"\u003e\u003cstrong\u003eCLEARANCE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1944px;\"\u003eStandard (Pre-Lubricated)\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1944px;\"\u003e\u003cstrong\u003eDYNAMIC LOAD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1944px;\"\u003e745\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e\u003cstrong\u003eWIDTH (THICKNESS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e7 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e\u003cstrong\u003eSTATIC LOAD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5972px;\"\u003e305\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n  \u003cdetails\u003e\n\u003csummary class=\"pgn_readmore\"\u003eRead More\u003c\/summary\u003e\n\u003ch1 data-section-id=\"yjkwwr\" data-start=\"4796\" data-end=\"4819\"\u003e608 Open Ball Bearing\u003c\/h1\u003e\n\u003cp data-start=\"4821\" data-end=\"4997\"\u003eThe 608 Open Ball Bearing is a deep groove ball bearing engineered for high-speed applications requiring the lowest possible rolling resistance and maximum lubrication freedom.\u003c\/p\u003e\n\u003cp data-start=\"4999\" data-end=\"5341\"\u003eUnlike ZZ and 2RS versions, the open model has no shields or seals, allowing direct oil or grease circulation through the bearing interior. This design makes the 608 Open widely used in high-speed systems, precision applications, gearboxes, and equipment operating with continuous external lubrication. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"5343\" data-end=\"5698\"\u003eIts deep groove design delivers extremely smooth rotation, reduced vibration, and strong mechanical efficiency in compact equipment. Manufactured from chrome steel and built in the standard 8x22x7mm size, the 608 Open is widely used in motors, automation systems, precision equipment, and elevated RPM applications.\u003c\/p\u003e\n\u003ch2 data-section-id=\"uu3so9\" data-start=\"5744\" data-end=\"5783\"\u003eCommon Applications for the 608 Open\u003c\/h2\u003e\n\u003cp data-start=\"5785\" data-end=\"5895\"\u003eThe 608 Open is frequently used in systems requiring elevated speed and minimal rolling resistance, including:\u003c\/p\u003e\n\u003cul data-start=\"5897\" data-end=\"6076\"\u003e\n\u003cli data-section-id=\"7o5p90\" data-start=\"5897\" data-end=\"5922\"\u003eCompact electric motors\u003c\/li\u003e\n\u003cli data-section-id=\"ccydy2\" data-start=\"5923\" data-end=\"5934\"\u003eGearboxes\u003c\/li\u003e\n\u003cli data-section-id=\"wsbuk4\" data-start=\"5935\" data-end=\"5956\"\u003ePrecision equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1h2arjc\" data-start=\"5957\" data-end=\"5976\"\u003eAutomated systems\u003c\/li\u003e\n\u003cli data-section-id=\"xoe0av\" data-start=\"5977\" data-end=\"5995\"\u003eHigh-speed tools\u003c\/li\u003e\n\u003cli data-section-id=\"1g8x83f\" data-start=\"5996\" data-end=\"6024\"\u003eLight industrial equipment\u003c\/li\u003e\n\u003cli data-section-id=\"18815kf\" data-start=\"6025\" data-end=\"6048\"\u003eCompact CNC machinery\u003c\/li\u003e\n\u003cli data-section-id=\"6qopnp\" data-start=\"6049\" data-end=\"6076\"\u003eRC and hobby applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"6078\" data-end=\"6251\"\u003eOpen-type bearings are especially recommended for environments with continuous lubrication and low exposure to external contaminants. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"upw22b\" data-start=\"6253\" data-end=\"6285\"\u003eMain Features of the 608 Open\u003c\/h2\u003e\n\u003ch3 data-section-id=\"gnoccg\" data-start=\"6287\" data-end=\"6320\"\u003eMaximum rotational efficiency\u003c\/h3\u003e\n\u003cp data-start=\"6322\" data-end=\"6465\"\u003eWithout shields or seals, the 608 Open delivers lower rolling resistance compared to ZZ and 2RS models. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1oduvh2\" data-start=\"6467\" data-end=\"6501\"\u003eExcellent high-RPM performance\u003c\/h3\u003e\n\u003cp data-start=\"6503\" data-end=\"6647\"\u003eDeep groove geometry supports high-speed applications with reduced heat generation and stable operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1bkqhby\" data-start=\"6649\" data-end=\"6674\"\u003eFree lubrication flow\u003c\/h3\u003e\n\u003cp data-start=\"6676\" data-end=\"6853\"\u003eThe open configuration allows continuous oil or grease circulation, making it widely used in gearboxes and externally lubricated systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"l2u5ja\" data-start=\"6855\" data-end=\"6885\"\u003eSmooth and quiet operation\u003c\/h3\u003e\n\u003cp data-start=\"6887\" data-end=\"7045\"\u003eThe internal bearing geometry supports reduced vibration and dependable operational stability in compact applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"ot1cz2\" data-start=\"7047\" data-end=\"7076\"\u003eChrome steel construction\u003c\/h3\u003e\n\u003cp data-start=\"7078\" data-end=\"7257\"\u003eManufactured from hardened chrome steel to provide dependable mechanical strength and long operational life in industrial rotating systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1nsg2q2\" data-start=\"7259\" data-end=\"7304\"\u003eWhen Is the 608 Open Commonly Recommended?\u003c\/h2\u003e\n\u003cp data-start=\"7306\" data-end=\"7365\"\u003eThis model is typically selected when applications require:\u003c\/p\u003e\n\u003cul data-start=\"7367\" data-end=\"7497\"\u003e\n\u003cli data-section-id=\"nzgxdq\" data-start=\"7367\" data-end=\"7393\"\u003emaximum rotational speed\u003c\/li\u003e\n\u003cli data-section-id=\"v4lqut\" data-start=\"7394\" data-end=\"7422\"\u003eminimal rolling resistance\u003c\/li\u003e\n\u003cli data-section-id=\"1xab1i3\" data-start=\"7423\" data-end=\"7447\"\u003econtinuous lubrication\u003c\/li\u003e\n\u003cli data-section-id=\"1gjo05w\" data-start=\"7448\" data-end=\"7469\"\u003eprecision equipment\u003c\/li\u003e\n\u003cli data-section-id=\"2vmft5\" data-start=\"7470\" data-end=\"7497\"\u003ehigh-efficiency operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1v1t3t6\" data-start=\"7499\" data-end=\"7550\"\u003eDifference Between 608 Open, 608-ZZ, and 608-2RS\u003c\/h2\u003e\n\u003cp data-start=\"7552\" data-end=\"7640\"\u003eEach configuration provides different advantages depending on the operating environment.\u003c\/p\u003e\n\u003ch3 data-section-id=\"peslf0\" data-start=\"7642\" data-end=\"7654\"\u003e608 Open\u003c\/h3\u003e\n\u003cul data-start=\"7655\" data-end=\"7778\"\u003e\n\u003cli data-section-id=\"gihv68\" data-start=\"7655\" data-end=\"7676\"\u003eno seals or shields\u003c\/li\u003e\n\u003cli data-section-id=\"xpl1xc\" data-start=\"7677\" data-end=\"7704\"\u003elowest rolling resistance\u003c\/li\u003e\n\u003cli data-section-id=\"14d7o4v\" data-start=\"7705\" data-end=\"7748\"\u003eideal for continuously lubricated systems\u003c\/li\u003e\n\u003cli data-section-id=\"1n6ilsr\" data-start=\"7749\" data-end=\"7778\"\u003emaximum high-RPM efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"21moet\" data-start=\"7780\" data-end=\"7790\"\u003e608-ZZ\u003c\/h3\u003e\n\u003cul data-start=\"7791\" data-end=\"7893\"\u003e\n\u003cli data-section-id=\"e5qhbp\" data-start=\"7791\" data-end=\"7806\"\u003emetal shields\u003c\/li\u003e\n\u003cli data-section-id=\"6fm8z\" data-start=\"7807\" data-end=\"7830\"\u003elight dust protection\u003c\/li\u003e\n\u003cli data-section-id=\"98tqzt\" data-start=\"7831\" data-end=\"7856\"\u003elower friction than 2RS\u003c\/li\u003e\n\u003cli data-section-id=\"kig7o0\" data-start=\"7857\" data-end=\"7893\"\u003ebetter suited for dry environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1vhpybq\" data-start=\"7895\" data-end=\"7906\"\u003e608-2RS\u003c\/h3\u003e\n\u003cul data-start=\"7907\" data-end=\"8016\"\u003e\n\u003cli data-section-id=\"1y1i0q8\" data-start=\"7907\" data-end=\"7921\"\u003erubber seals\u003c\/li\u003e\n\u003cli data-section-id=\"eym3op\" data-start=\"7922\" data-end=\"7955\"\u003estronger contaminant protection\u003c\/li\u003e\n\u003cli data-section-id=\"1ytbdt1\" data-start=\"7956\" data-end=\"7983\"\u003eimproved grease retention\u003c\/li\u003e\n\u003cli data-section-id=\"1hxeblp\" data-start=\"7984\" data-end=\"8016\"\u003efocused on reduced maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1pazttv\" data-start=\"8018\" data-end=\"8049\"\u003eInstallation Recommendations\u003c\/h2\u003e\n\u003cp data-start=\"8051\" data-end=\"8081\"\u003eFor best 608 Open performance:\u003c\/p\u003e\n\u003cul data-start=\"8083\" data-end=\"8221\"\u003e\n\u003cli data-section-id=\"p4cwan\" data-start=\"8083\" data-end=\"8107\"\u003eUse proper lubrication\u003c\/li\u003e\n\u003cli data-section-id=\"10j52kr\" data-start=\"8108\" data-end=\"8134\"\u003eAvoid dust contamination\u003c\/li\u003e\n\u003cli data-section-id=\"1v9v0m6\" data-start=\"8135\" data-end=\"8166\"\u003eControl operating temperature\u003c\/li\u003e\n\u003cli data-section-id=\"t05fuw\" data-start=\"8167\" data-end=\"8191\"\u003eVerify shaft alignment\u003c\/li\u003e\n\u003cli data-section-id=\"11dww5z\" data-start=\"8192\" data-end=\"8221\"\u003eMonitor excessive vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1aamqce\" data-start=\"8223\" data-end=\"8251\"\u003ePGN Bearings Product Line\u003c\/h2\u003e\n\u003cp data-start=\"8253\" data-end=\"8544\"\u003ePGN Bearings supplies components for industrial automation, mechanical power transmission, and rotating systems. The catalog includes deep groove ball bearings, mounted bearings, pillow blocks, roller chains, flanged bearings, and solutions engineered for continuous industrial applications.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"8546\" data-end=\"8552\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"q57uzs\" data-start=\"8554\" data-end=\"8593\"\u003eWhat does “Open” mean on a bearing?\u003c\/h3\u003e\n\u003cp data-start=\"8595\" data-end=\"8680\"\u003eIt means the bearing has no seals or shields. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1rqav0r\" data-start=\"8682\" data-end=\"8736\"\u003eIs the 608 Open suitable for high-speed operation?\u003c\/h3\u003e\n\u003cp data-start=\"8738\" data-end=\"8877\"\u003eYes. This model is widely used in high-RPM applications because of its very low rolling resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1qikuco\" data-start=\"8879\" data-end=\"8932\"\u003eDoes the open model require external lubrication?\u003c\/h3\u003e\n\u003cp data-start=\"8934\" data-end=\"9053\"\u003eYes. Open bearings typically operate with continuous oil or grease lubrication. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1fdo5de\" data-start=\"9055\" data-end=\"9102\"\u003eWhat is the difference between Open and ZZ?\u003c\/h3\u003e\n\u003cp data-start=\"9104\" data-end=\"9247\"\u003eThe Open version has no side protection, while ZZ bearings use metal shields for light dust protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"jfl8or\" data-start=\"9249\" data-end=\"9297\"\u003eCan this bearing be used in electric motors?\u003c\/h3\u003e\n\u003cp data-start=\"9299\" data-end=\"9438\"\u003eYes. The 608 Open is widely used in compact motors, automation systems, and precision applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n","brand":"PGN Bearings","offers":[{"title":"Default Title","offer_id":13309685760113,"sku":"BB-608-OPEN\/1","price":0.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0038\/9342\/8337\/files\/608-open_4bb9f8a9-1d90-47e6-a98f-dfbfc94ab288.jpg?v=1750947073","url":"https:\/\/pgnbearings.com\/products\/608-open-ball-bearing","provider":"PGN","version":"1.0","type":"link"}