{"product_id":"638-deep-groove-radial-ball-bearing-0-315-bore-id","title":"638 - 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\u003e638\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%;\"\u003e638\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\u003e1.102 in | 28 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\u003e0.354 in | 9 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\u003e0.354 in | 9 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;\"\u003eMR638-2RS, 638RS, 638 2NSL, MR638-ZZ, 638-ZZ, 638ZZ, 638-2Z\u003c\/p\u003e","brand":"QJZ Bearings","offers":[{"title":"Double Rubber Seal (2RS)","offer_id":46262271344812,"sku":"638-2RS","price":2.17,"currency_code":"USD","in_stock":true},{"title":"Double Metal Shield (ZZ)","offer_id":46262271377580,"sku":"638-ZZ","price":2.17,"currency_code":"USD","in_stock":true},{"title":"Open Style (No Seal)","offer_id":46262271410348,"sku":"638-OPEN","price":2.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/8445\/2524\/files\/2RS_c7998ce2-2e6c-4d5f-a588-b79a243e8d33.jpg?v=1779050024","url":"https:\/\/shop.wcess.com\/products\/638-deep-groove-radial-ball-bearing-0-315-bore-id","provider":"West Coast Equipment \u0026 Safety Supply","version":"1.0","type":"link"}