{"product_id":"stainless-steel-thrust-ball-bearing-304-316-axial-s511-series","title":"304\/316 Stainless Steel Thrust Ball Bearing S511 Series","description":"\n\u003ch2\u003eStainless Steel Thrust Ball Bearings – S511 Series (304 \u0026amp; 316 Grade)\u003c\/h2\u003e\n\u003cp\u003eUpgrade your mechanical assemblies with these precision-engineered \u003cstrong\u003e304\/316 Stainless Steel Thrust Ball Bearings\u003c\/strong\u003e. Designed for axial (thrust) load applications, the S511 series covers models S51100 through S51106, giving you a wide range of inner diameter, outer diameter, and thickness combinations to suit your exact project needs.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're working on industrial machinery, marine equipment, food-processing hardware, or DIY builds, these bearings deliver reliable performance in demanding environments — including exposure to strong acids and alkalis.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Material Options:\u003c\/strong\u003e Available in both \u003cstrong\u003e304 Stainless Steel\u003c\/strong\u003e (high nickel, low carbon; Rockwell hardness ~25 HRC) and \u003cstrong\u003e316 Stainless Steel\u003c\/strong\u003e for enhanced corrosion resistance in harsh chemical environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Rust-Resistant:\u003c\/strong\u003e Corrosion-resistant construction makes these bearings ideal for wet, humid, or chemically aggressive settings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAxial \/ Thrust Load Design:\u003c\/strong\u003e Engineered specifically for planar axial thrust applications, providing smooth, low-friction rotation under axial forces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Size Range:\u003c\/strong\u003e Models S51100 to S51106 cover a broad selection of inner × outer diameter × thickness dimensions — choose exactly what your build requires.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Customization options available to meet specific dimensional or quantity requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e 304 SS grade is ideal for moderate-load applications in corrosive environments; not recommended for high-load\/high-impact operations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eAttribute\u003c\/th\u003e\n    \u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eDetails\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eMaterial\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e304 Stainless Steel \/ 316 Stainless Steel\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eBearing Type\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003ePlane Axial Thrust Ball Bearing\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eModel Numbers\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eS51100, S51101, S51102, S51103, S51104, S51105, S51106\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eSizing\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eInner Diameter × Outer Diameter × Thickness\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eProperties\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eWaterproof, Rust-Proof, Corrosion Resistant\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eOrigin\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eMade in China\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cp\u003ePackage contents correspond to your selected model and quantity. Please confirm your required model number (S51100–S51106) and grade (304 or 316) at the time of purchase. Actual dimensions are per the physical product — specifications listed are for reference.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between 304 and 316 stainless steel thrust ball bearings?\u003c\/h4\u003e\n\u003cp\u003eA: Both grades are corrosion-resistant and rust-proof, but \u003cstrong\u003e316 stainless steel\u003c\/strong\u003e contains added molybdenum, which provides superior resistance to chlorides and highly aggressive chemicals — making it the preferred choice for marine, pharmaceutical, and chemical processing environments. \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e offers excellent general-purpose corrosion resistance and is well-suited for strong acid and alkali environments at moderate load levels.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which model number should I select (S51100 to S51106)?\u003c\/h4\u003e\n\u003cp\u003eA: Each model number in the S511 series corresponds to a specific set of inner diameter, outer diameter, and thickness dimensions. Measure your shaft diameter and housing bore carefully, then match those dimensions to the appropriate S511XX model. If you're unsure, contact us with your measurements and we'll help you find the right fit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these thrust ball bearings suitable for high-load applications?\u003c\/h4\u003e\n\u003cp\u003eA: The 304 SS grade has a Rockwell hardness of approximately 25 HRC, making it best suited for light-to-moderate axial loads. For heavier-duty or high-load operations, please consult the product specifications carefully or consider a higher-hardness bearing material. The 316 grade offers similar mechanical properties optimized for corrosion resistance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I order a custom size or quantity?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — customization is available. Please reach out with your specific dimensional requirements or quantity needs before placing your order, and we'll accommodate your request where possible.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between 304 and 316 stainless steel thrust ball bearings?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both grades are corrosion-resistant and rust-proof, but 316 stainless steel contains added molybdenum, which provides superior resistance to chlorides and highly aggressive chemicals — making it the preferred choice for marine, pharmaceutical, and chemical processing environments. 304 stainless steel offers excellent general-purpose corrosion resistance and is well-suited for strong acid and alkali environments at moderate load levels.\"}}, {\"@type\": \"Question\", \"name\": \"Which model number should I select (S51100 to S51106)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each model number in the S511 series corresponds to a specific set of inner diameter, outer diameter, and thickness dimensions. Measure your shaft diameter and housing bore carefully, then match those dimensions to the appropriate S511XX model. If you're unsure, contact us with your measurements and we'll help you find the right fit.\"}}, {\"@type\": \"Question\", \"name\": \"Are these thrust ball bearings suitable for high-load applications?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 304 SS grade has a Rockwell hardness of approximately 25 HRC, making it best suited for light-to-moderate axial loads. For heavier-duty or high-load operations, please consult the product specifications carefully or consider a higher-hardness bearing material. The 316 grade offers similar mechanical properties optimized for corrosion resistance.\"}}, {\"@type\": \"Question\", \"name\": \"Can I order a custom size or quantity?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — customization is available. Please reach out with your specific dimensional requirements or quantity needs before placing your order, and we'll accommodate your request where possible.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"304\/316 Stainless Steel Thrust Ball Bearing S511 Series\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/products\/stainless-steel-thrust-ball-bearing-304-316-axial-s511-series\"}]}\u003c\/script\u003e","brand":"Richie's","offers":[{"title":"S51101 12x26x9 \/ 304 Stainless Steel","offer_id":57605060919462,"sku":"1005009935193188-S51101 12x26x9-304 Stainless Steel","price":15.28,"currency_code":"USD","in_stock":true},{"title":"S51101 12x26x9 \/ 316 Stainless Steel","offer_id":57605060952230,"sku":"1005009935193188-S51101 12x26x9-316 Stainless Steel","price":21.59,"currency_code":"USD","in_stock":true},{"title":"S51106 30x47x11 \/ 304 Stainless Steel","offer_id":57605060984998,"sku":"1005009935193188-S51106 30x47x11-304 Stainless Steel","price":36.91,"currency_code":"USD","in_stock":true},{"title":"S51106 30x47x11 \/ 316 Stainless Steel","offer_id":57605061017766,"sku":"1005009935193188-S51106 30x47x11-316 Stainless Steel","price":64.52,"currency_code":"USD","in_stock":true},{"title":"S51100 10x24x9 \/ 304 Stainless Steel","offer_id":57605061050534,"sku":"1005009935193188-S51100 10x24x9-304 Stainless Steel","price":13.77,"currency_code":"USD","in_stock":true},{"title":"S51100 10x24x9 \/ 316 Stainless Steel","offer_id":57605061083302,"sku":"1005009935193188-S51100 10x24x9-316 Stainless Steel","price":20.47,"currency_code":"USD","in_stock":true},{"title":"S51103 17x30x9 \/ 304 Stainless Steel","offer_id":57605061116070,"sku":"1005009935193188-S51103 17x30x9-304 Stainless Steel","price":22.74,"currency_code":"USD","in_stock":true},{"title":"S51105 25x42x11 \/ 316 Stainless Steel","offer_id":57605061148838,"sku":"1005009935193188-S51105 25x42x11-316 Stainless Steel","price":37.27,"currency_code":"USD","in_stock":true},{"title":"S51103 17x30x9 \/ 316 Stainless Steel","offer_id":57605061181606,"sku":"1005009935193188-S51103 17x30x9-316 Stainless Steel","price":25.34,"currency_code":"USD","in_stock":true},{"title":"S51102 15x28x9 \/ 304 Stainless Steel","offer_id":57605061214374,"sku":"1005009935193188-S51102 15x28x9-304 Stainless Steel","price":16.76,"currency_code":"USD","in_stock":true},{"title":"S51102 15x28x9 \/ 316 Stainless Steel","offer_id":57605061247142,"sku":"1005009935193188-S51102 15x28x9-316 Stainless Steel","price":24.22,"currency_code":"USD","in_stock":true},{"title":"S51104 20x35x10 \/ 304 Stainless Steel","offer_id":57605061279910,"sku":"1005009935193188-S51104 20x35x10-304 Stainless Steel","price":24.22,"currency_code":"USD","in_stock":true},{"title":"S51104 20x35x10 \/ 316 Stainless Steel","offer_id":57605061312678,"sku":"1005009935193188-S51104 20x35x10-316 Stainless Steel","price":29.81,"currency_code":"USD","in_stock":true},{"title":"S51107 35x52x12 \/ 304 Stainless Steel","offer_id":57605061345446,"sku":"1005009935193188-S51107 35x52x12-304 Stainless Steel","price":51.47,"currency_code":"USD","in_stock":true},{"title":"S51107 35x52x12 \/ 316 Stainless Steel","offer_id":57605061378214,"sku":"1005009935193188-S51107 35x52x12-316 Stainless Steel","price":52.95,"currency_code":"USD","in_stock":true},{"title":"S51105 25x42x11 \/ 304 Stainless Steel","offer_id":57605061410982,"sku":"1005009935193188-S51105 25x42x11-304 Stainless Steel","price":29.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/2182\/7494\/files\/Sbe386ff83f424a9597c006bf8ad536d2p.webp?v=1791724301","url":"https:\/\/richiesmart.com\/products\/stainless-steel-thrust-ball-bearing-304-316-axial-s511-series","provider":"Richie's","version":"1.0","type":"link"}