{"product_id":"08b-1-simplex-roller-chain-double-bent-ears-12-7mm-european-standard-1-524m","title":"08B-1 Simplex Roller Chain With Double Bent Ears 12.7mm European Standard 1.524M","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003e08B-1 Simplex Roller Chain with Double Bent Ears — Reliable Drive for Industrial \u0026amp; Agricultural Applications\u003c\/h2\u003e\n\u003cp\u003eWhen a standard roller chain isn't enough and you need secure attachment points for conveyor flights, brackets, or fixtures, finding a chain that combines drive strength with built-in mounting ears is a real challenge. The 08B-1 Simplex Roller Chain with Double Bent Ears is engineered for engineers, maintenance technicians, and DIY builders who need a dependable European-standard chain that does double duty — transmitting power and anchoring attachments simultaneously.\u003c\/p\u003e\n\u003cp\u003eThis chain is built to the BS\/ISO 08B-1 European standard with a 12.7mm (1\/2 inch) pitch and a working length of 1.524m (approximately 5 feet \/ 60 inches). The double bent attachment ears are evenly spaced along the chain, providing fixed mounting tabs without requiring separate attachment links. Constructed from carbon steel with precision-ground components, the chain delivers consistent tensile strength across its full length.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include light conveyor systems for agricultural machinery, automated feeding equipment, and small-scale industrial drive assemblies — all applications where long-tail searches like \"08B attachment chain with bent ears,\" \"European standard conveyor roller chain 12.7mm,\" and \"BS roller chain with mounting tabs\" are common. Whether you're building a seed drill drive, a parts-transfer conveyor, or a custom automation rig, this chain fits the bill.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits standard 08B-1 sprockets conforming to BS\/ISO 606 European standard. Pitch: 12.7mm (1\/2\"). Verify sprocket tooth profile before installation.\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These 08B-1 Double Bent Ear Roller Chains\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n  \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003e12.7mm European Standard Pitch\u003c\/strong\u003e — Conforms to BS\/ISO 606 08B-1 specification, ensuring direct compatibility with European-standard sprockets and drive systems without modification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003eDouble Bent Attachment Ears\u003c\/strong\u003e — Integrated bent attachment tabs on both sides of select links allow secure fastening of conveyor flights, brackets, and fixtures without additional hardware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cstrong\u003e1.524m Working Length\u003c\/strong\u003e — Approximately 5 feet (60 inches) of usable chain per unit, suitable for short conveyor runs or as a replacement section in longer drive systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e💪\u003c\/span\u003e\u003cstrong\u003eCarbon Steel Construction\u003c\/strong\u003e — Precision-manufactured carbon steel rollers, bushings, and plates deliver consistent tensile strength and resistance to fatigue under cyclic loading.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cstrong\u003eSimplex Single-Strand Design\u003c\/strong\u003e — Single-strand (simplex) configuration keeps weight and cost efficient for light-to-medium duty applications while maintaining full BS\/ISO dimensional compliance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\u003cstrong\u003eReady to Cut \u0026amp; Connect\u003c\/strong\u003e — Chain arrives as a straight length ready for cutting to your required number of links and joining with a standard 08B-1 connecting link (sold separately).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — 08B-1 Simplex Roller Chain\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003ctd\u003eBS\/ISO 606 European Standard (08B-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eChain Type\u003c\/th\u003e\n\u003ctd\u003eSimplex (Single Strand)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePitch\u003c\/th\u003e\n\u003ctd\u003e12.7mm (1\/2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e1.524m (~5 ft \/ 60 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eRoller Diameter\u003c\/th\u003e\n\u003ctd\u003e8.51mm (0.335\")\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInner Width\u003c\/th\u003e\n\u003ctd\u003e7.75mm (0.305\")\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePlate Height\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eAttachment Type\u003c\/th\u003e\n\u003ctd\u003eDouble Bent Ears (K2 style)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eEar Spacing\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural \/ Lightly Oiled\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003eTypically 17.8 kN (min.)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWeight (per unit)\u003c\/th\u003e\n\u003ctd\u003eApprox. 0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eWhat does \"08B-1 European Standard\" mean, and is it the same as ANSI #40?\u003c\/summary\u003e\n  \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003e08B-1 follows the BS\/ISO 606 European standard with a 12.7mm pitch. While ANSI #40 also has a 12.7mm pitch, the two standards differ in roller diameter, inner width, and plate dimensions — they are \u003cstrong\u003enot interchangeable\u003c\/strong\u003e. Always match your chain to your sprocket's standard (BS\/ISO or ANSI) before ordering.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the \"double bent ears\" and how do I attach things to them?\u003c\/summary\u003e\n  \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eDouble bent ears (also called K2 attachments) are extended, bent side plates on select links that protrude outward on both sides of the chain. They provide a flat mounting surface with pre-drilled or drillable holes for bolting conveyor flights, brackets, or fixtures directly to the chain. No separate attachment links are needed.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know how many links are in this 1.524m length?\u003c\/summary\u003e\n  \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAt a 12.7mm pitch, 1.524m equals 120 pitches (links). This is a standard chain length. If you need a different number of links, the chain can be cut with a chain breaker tool and rejoined using a standard 08B-1 connecting link (sold separately).\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eIs this chain suitable for outdoor or wet environments?\u003c\/summary\u003e\n  \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe chain is manufactured from carbon steel with a light oil coating for corrosion inhibition during storage and transit. For prolonged outdoor or wet-environment use, we recommend regular lubrication with a chain-specific grease or oil, or consider a stainless steel variant if corrosion resistance is a primary requirement. Contact us to confirm stainless options.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eWhat sprockets are compatible with this chain?\u003c\/summary\u003e\n  \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThis chain is compatible with any sprocket manufactured to the BS\/ISO 606 08B-1 standard with a 12.7mm pitch. Verify that your sprocket is rated for BS\/ISO (not ANSI) before installation. Common tooth counts for this pitch range from 9T to 60T depending on your drive ratio requirements.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eCan I join two lengths together to make a longer chain?\u003c\/summary\u003e\n  \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Standard 08B-1 connecting links (also called master links) can be used to join two chain lengths end-to-end. Ensure the connecting link is rated for 08B-1 BS\/ISO standard. If your application forms a closed loop, you will also need to account for an even total link count to allow proper joining.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I choose the right chain length for my application?\u003c\/summary\u003e\n  \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eUse the standard chain length formula: L = (2C\/P) + (N1+N2)\/2 + ((N2-N1)\/2π)² × (P\/C), where C is center distance, P is pitch, and N1\/N2 are sprocket tooth counts. Round up to the nearest even number of links. If you need help sizing your drive, contact us with your center distance and sprocket sizes.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e\n🛒 Select your quantity above, then add to cart.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":52423147520274,"sku":"FAS073081x1","price":42.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of5_25b422e2-e658-429e-b1e1-c2cfaf2c1607.jpg?v=1782487027","url":"https:\/\/homediyer.com\/products\/08b-1-simplex-roller-chain-double-bent-ears-12-7mm-european-standard-1-524m","provider":"HomeDIYer","version":"1.0","type":"link"}