{"product_id":"688-deep-groove-radial-ball-bearing-0-315-bore-id","title":"688 - Deep Groove Radial Ball Bearing, 0.315\" Bore (ID)","description":"\u003ch2 style=\"text-align: center;\"\u003eHigh-Performance Deep Groove Ball Bearing\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e688\u003c\/strong\u003e is a precision deep groove radial ball bearing designed for smooth rotation, reduced friction, and dependable performance in high-speed and general-purpose applications. Manufactured for durability and consistent operation, this bearing is suitable for electric motors, small machinery, tools, and mechanical assemblies.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: center; width: 40%;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 60%;\"\u003e688\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: center;\"\u003eInner Diameter (Bore)\u003c\/th\u003e\n\u003ctd\u003e0.315 in | 8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: center;\"\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003e0.63 in | 16 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: center;\"\u003eWidth (Closed Seal)\u003c\/th\u003e\n\u003ctd\u003e0.197 in | 5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: center;\"\u003eWidth (Open Style)\u003c\/th\u003e\n\u003ctd\u003e0.157 in | 4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSeal Types\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOpen (No Seal)\u003c\/li\u003e\n\u003cli\u003eMetal Shield (ZZ)\u003c\/li\u003e\n\u003cli\u003eRubber Seal (2RS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eCross Reference\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003eL-1680DD, MR688-2RS, R-1680DD, 688.2RSJ, 688LLB, 688LLU, 688VV, 688DDU, 688RS, 628\/8-2RS, 628\/8-2RS1, L-1680ZZ, MR688-ZZ, R-1680-ZZ, W688ZZ, 688-2Z, 688Z, 688.2ZR, 688ZZ, 628\/8-ZZ, X8ZZ, 688ZZS, W688ZZA, 609, AY9, WX8, L1680, 4462-00, 618\/8, X-8, UL816, 699, 619\/9, L-2090, EL-9, 609\/QE6, 609Y, 9BC10\u003c\/p\u003e","brand":"QJZ Bearings","offers":[{"title":"Double Rubber Seal (2RS)","offer_id":46262271738028,"sku":"688-2RS","price":10.89,"currency_code":"USD","in_stock":true},{"title":"Double Metal Shield (ZZ)","offer_id":46262271770796,"sku":"688-ZZ","price":10.89,"currency_code":"USD","in_stock":false},{"title":"Open Style (No Seal)","offer_id":46262271803564,"sku":"688-OPEN","price":10.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/8445\/2524\/files\/1604-ZZ_12f058d7-2694-4463-977f-cfcc8b1da846.jpg?v=1779050024","url":"https:\/\/shop.wcess.com\/products\/688-deep-groove-radial-ball-bearing-0-315-bore-id","provider":"West Coast Equipment \u0026 Safety Supply","version":"1.0","type":"link"}