{"product_id":"1-4-inch-aisi440-stainless-steel-bearing-ball-g25","title":"1\/4\" Inch G25 Precision AISI440 Stainless Steel Bearing Balls","description":"\u003cdiv dir=\"ltr\" align=\"left\"\u003e\n\u003ctable style=\"width: 99.9973%; border-collapse: collapse; border: 1px dotted rgb(22, 51, 64); height: 83.9715px;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 59.8098%; background-color: rgb(240, 240, 240);\"\u003e \u003ccol style=\"width: 40.163%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 25.1823px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 25.1823px;\"\u003e\u003cstrong\u003eSIZE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; height: 25.1823px;\"\u003e\n\u003cspan\u003e6.35 \u003c\/span\u003emm\u003cbr\u003e1\/4\"\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5964px;\"\u003e\u003cstrong\u003eGRADE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; height: 19.5964px;\"\u003eG25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5964px;\"\u003e\u003cstrong\u003eMATERIAL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; height: 19.5964px;\"\u003eStainless Steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 19.5964px;\"\u003e\u003cstrong\u003eWEIGHT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; height: 19.5964px;\"\u003e\n\u003cspan\u003e0.03601\u003c\/span\u003e ounces \u003cbr\u003e\u003cspan\u003e1.021 \u003c\/span\u003eg\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eAdditional Information\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003ePGN’s Stainless Steel Balls are extremely precise, and smooth surface guarantees you won't find any defects, such as flats, pits, soft spots, and cuts.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdetails\u003e\n\u003csummary class=\"pgn_readmore\"\u003eRead More\u003c\/summary\u003e\n\u003ch1\u003e1\/4\" AISI 440 Stainless Steel G25 Precision Bearing Ball\u003c\/h1\u003e\n\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003ePGN AISI 440 Stainless Steel Bearing Balls are designed for applications that require precision spherical components combined with the durability and stainless steel characteristics needed for demanding mechanical environments. With a 1\/4 inch diameter and G25 precision grade, this bearing ball provides consistent geometry for assemblies where accurate contact and reliable movement are important.\u003c\/p\u003e\n\u003cp\u003eManufactured from AISI 440 stainless steel, this bearing ball offers the benefits associated with stainless steel materials, including corrosion-resistant properties and suitability for applications where exposure conditions require a more durable alternative to standard steel components. Its smooth spherical surface supports controlled interaction between mechanical parts.\u003c\/p\u003e\n\u003cp\u003eThe G25 precision grade makes this ball a suitable choice for precision-oriented applications where uniformity and dimensional consistency are required. From replacement components to custom-built mechanisms, this stainless steel bearing ball provides a versatile solution for engineers, manufacturers, and maintenance professionals.\u003c\/p\u003e\n\u003ch2\u003eHero Product Snippet\u003c\/h2\u003e\n\u003cp\u003eAISI 440 stainless steel bearing ball with G25 precision grade, designed for precision mechanical assemblies, valves, pumps, and specialized applications requiring consistent spherical geometry and stainless steel performance.\u003c\/p\u003e\n\u003ch2\u003eRecommended Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision bearing components\u003c\/li\u003e\n\u003cli\u003eValve assemblies\u003c\/li\u003e\n\u003cli\u003ePump mechanisms\u003c\/li\u003e\n\u003cli\u003eMechanical positioning systems\u003c\/li\u003e\n\u003cli\u003eCustom engineering projects\u003c\/li\u003e\n\u003cli\u003eSpecialized industrial equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAISI 440 Stainless Steel for Corrosion-Conscious Applications\u003c\/h2\u003e\n\u003cp\u003eAISI 440 stainless steel is commonly selected for mechanical components where stainless steel properties and durable performance are important considerations. This material makes the bearing ball suitable for applications that require improved resistance to environmental exposure compared with conventional carbon steel components.\u003c\/p\u003e\n\u003cp\u003eThe stainless steel construction provides a reliable option for compatible systems where material selection plays an important role in long-term component performance.\u003c\/p\u003e\n\u003ch2\u003eG25 Precision Grade for Accurate Spherical Geometry\u003c\/h2\u003e\n\u003cp\u003eThe G25 precision grade represents a high level of consistency in spherical form and dimensional accuracy. This allows the bearing ball to perform effectively in applications where smooth contact, component uniformity, and controlled movement are required.\u003c\/p\u003e\n\u003cp\u003eWhen properly specified for the equipment design, precision-grade bearing balls can contribute to more predictable mechanical operation.\u003c\/p\u003e\n\u003ch2\u003eCompact 1\/4 Inch Size for Precision Assemblies\u003c\/h2\u003e\n\u003cp\u003eThe 1\/4 inch diameter offers a compact solution for mechanisms that require a smaller precision stainless steel sphere. This size can be integrated into a variety of assemblies where space efficiency and accurate component interaction are important.\u003c\/p\u003e\n\u003cp\u003eIts standardized spherical shape allows compatibility with different mechanical designs, depending on application requirements and engineering specifications.\u003c\/p\u003e\n\u003ch2\u003eSmooth Surface for Reliable Mechanical Contact\u003c\/h2\u003e\n\u003cp\u003ePrecision bearing balls feature carefully finished spherical surfaces designed for applications where smooth interaction between components is essential. Surface quality plays an important role in systems involving rolling contact, positioning, and mechanical movement.\u003c\/p\u003e\n\u003cp\u003eThe final performance of the component depends on the surrounding assembly, operating conditions, and proper application selection.\u003c\/p\u003e\n\u003ch2\u003eVersatile Component for Custom Industrial Solutions\u003c\/h2\u003e\n\u003cp\u003eBeyond traditional bearing applications, stainless steel bearing balls are commonly used as individual precision components in custom mechanisms, equipment assemblies, and replacement applications.\u003c\/p\u003e\n\u003cp\u003eThe combination of AISI 440 stainless steel, G25 precision, and compact spherical design makes this component a practical choice for engineers seeking reliable precision solutions.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAISI 440 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eG25 precision grade for consistent spherical accuracy\u003c\/li\u003e\n\u003cli\u003e1\/4 inch diameter design\u003c\/li\u003e\n\u003cli\u003eSmooth polished surface\u003c\/li\u003e\n\u003cli\u003eSuitable for precision mechanical applications\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible bearings, valves, pumps, and custom assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat material is this bearing ball made from?\u003c\/h3\u003e\n\u003cp\u003eThis bearing ball is made from AISI 440 stainless steel, a material commonly used in applications requiring stainless steel characteristics and durable mechanical performance.\u003c\/p\u003e\n\u003ch3\u003eWhat does G25 mean on a bearing ball?\u003c\/h3\u003e\n\u003cp\u003eG25 refers to the precision grade of the bearing ball, indicating a high level of spherical consistency and dimensional accuracy.\u003c\/p\u003e\n\u003ch3\u003eWhat are stainless steel bearing balls used for?\u003c\/h3\u003e\n\u003cp\u003eStainless steel bearing balls may be used in applications such as precision bearings, valves, pumps, positioning mechanisms, and custom industrial assemblies.\u003c\/p\u003e\n\u003ch3\u003eIs AISI 440 stainless steel corrosion resistant?\u003c\/h3\u003e\n\u003cp\u003eAISI 440 stainless steel provides corrosion-resistant properties compared with standard carbon steel materials. Actual resistance depends on the application environment and operating conditions.\u003c\/p\u003e\n\u003ch3\u003eCan this bearing ball be used as a replacement part?\u003c\/h3\u003e\n\u003cp\u003eIt may be suitable as a replacement component when the required diameter, material, precision grade, and application specifications match.\u003c\/p\u003e\n\u003ch3\u003eDoes this product have a specified load rating?\u003c\/h3\u003e\n\u003cp\u003eLoad performance depends on the complete system design, operating conditions, and engineering requirements. Compatibility should be validated before use in critical applications.\u003c\/p\u003e\n\u003c\/details\u003e\n","brand":"PGN Bearings","offers":[{"title":"10","offer_id":44395707367737,"sku":"SB-1\/4-AISI440-G25\/10","price":3.82,"currency_code":"USD","in_stock":true},{"title":"25","offer_id":44395707400505,"sku":"SB-1\/4-AISI440-G25\/25","price":5.95,"currency_code":"USD","in_stock":true},{"title":"50","offer_id":44395707433273,"sku":"SB-1\/4-AISI440-G25\/50","price":13.14,"currency_code":"USD","in_stock":true},{"title":"100","offer_id":44395707466041,"sku":"SB-1\/4-AISI440-G25\/100","price":20.88,"currency_code":"USD","in_stock":true},{"title":"500","offer_id":44395707498809,"sku":"SB-1\/4-AISI440-G25\/500","price":33.12,"currency_code":"USD","in_stock":true},{"title":"1000","offer_id":44395707531577,"sku":"SB-1\/4-AISI440-G25\/1000","price":56.52,"currency_code":"USD","in_stock":true},{"title":"2500","offer_id":47699328565561,"sku":"SB-1\/4-AISI440-G25\/2500","price":128.07,"currency_code":"USD","in_stock":true},{"title":"5000","offer_id":47699328696633,"sku":"SB-1\/4-AISI440-G25\/5000","price":232.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0038\/9342\/8337\/files\/10-precision-balls_d71cfb23-f0ea-4b5a-a975-34a5e16b8367.jpg?v=1755654757","url":"https:\/\/pgnbearings.com\/products\/1-4-inch-aisi440-stainless-steel-bearing-ball-g25","provider":"PGN","version":"1.0","type":"link"}