{"product_id":"40-s3m-186-timing-belt-186","title":"40-S3M-186 Timing Belt","description":"\u003ch1 style=\"color: #1e2d4d !important; font-size: 28px; font-weight: 700 !important; margin-bottom: 14px;\"\u003e40-S3M-186 Timing Belt\u003c\/h1\u003e\u003cp style=\"margin: 0 0 18px 0; line-height: 1.6;\"\u003eThe \u003cstrong\u003e40-S3M-186\u003c\/strong\u003e is a timing belt from D\u0026amp;D Global's Dura-Sure Torque - S3M Series line. It transmits power positively with no slip, holding timing between shafts on synchronous drives.\u003c\/p\u003e\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-family: inherit;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color: #1e2d4d; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #1e2d4d;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #1e2d4d;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e40-S3M-186\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003eBelt Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eTiming Belt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003eTooth Profile\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eS3M STD (curvilinear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003eTooth Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003eNumber of Teeth\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003eBelt Width\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003ePitch Length\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e186 mm (Pitch Length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eChloroprene (Neoprene), Fiberglass cord, fabric tooth cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.006 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e199453053104\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2 style=\"color: #1e2d4d !important; font-size: 24px; font-weight: 600 !important; margin-top: 30px; margin-bottom: 12px;\"\u003eApplications\u003c\/h2\u003e\u003cul style=\"margin: 0 0 16px 0; padding-left: 22px; line-height: 1.7;\"\u003e\n\u003cli\u003eConveyors and indexing drives\u003c\/li\u003e\n\u003cli\u003ePumps, compressors, and blowers\u003c\/li\u003e\n\u003cli\u003ePackaging, processing, and automation equipment\u003c\/li\u003e\n\u003cli\u003ePositive drives where timing must stay locked with no slip\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"margin: 0 0 16px 0; line-height: 1.6;\"\u003eBrowse the full range in \u003ca href=\"\/collections\/timing-belts\" style=\"color: #C8102E !important; font-weight: 600;\"\u003eTiming Belts\u003c\/a\u003e, or use our \u003ca href=\"\/pages\/how-to-identify-a-belt\" style=\"color: #C8102E !important; font-weight: 600;\"\u003ebelt identification guide\u003c\/a\u003e to match an existing part.\u003c\/p\u003e\u003ch2 style=\"color: #1e2d4d !important; font-size: 24px; font-weight: 600 !important; margin-top: 30px; margin-bottom: 12px;\"\u003eCross-Reference\u003c\/h2\u003e\u003cp style=\"margin: 0 0 12px 0; line-height: 1.6;\"\u003e40-S3M-186 is a standardized industry size, so a 40-S3M-186 from any major manufacturer shares the same dimensions and runs on the same pulleys\/sheaves. For OEM or proprietary numbers, confirm the equivalent before ordering — call \u003ca href=\"tel:8882032358\" style=\"color: #C8102E !important; font-weight: 600;\"\u003e(888) 203-2358\u003c\/a\u003e.\u003c\/p\u003e\u003cp style=\"margin: 0 0 16px 0; font-size: 13px; color: #555555; line-height: 1.5;\"\u003eAll manufacturer names and part numbers are used for reference and identification purposes only. Texas Belting \u0026amp; Supply is not affiliated with, sponsored by, or endorsed by any other manufacturer.\u003c\/p\u003e\u003ch2 style=\"color: #1e2d4d !important; font-size: 24px; font-weight: 600 !important; margin-top: 30px; margin-bottom: 12px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3 style=\"color: #1e2d4d !important; font-size: 18px; font-weight: 600 !important; margin-top: 20px; margin-bottom: 8px;\"\u003eWhat is 40-S3M-186 used for?\u003c\/h3\u003e\u003cp style=\"margin: 0 0 16px 0; line-height: 1.6;\"\u003e40-S3M-186 is a timing belt used on positive, no-slip drives such as conveyors, pumps, packaging machinery, robotics, and machine tools. Synchronous belts hold timing between shafts, so they suit applications where slip is unacceptable.\u003c\/p\u003e\u003ch3 style=\"color: #1e2d4d !important; font-size: 18px; font-weight: 600 !important; margin-top: 20px; margin-bottom: 8px;\"\u003eWhat are the dimensions of 40-S3M-186?\u003c\/h3\u003e\u003cp style=\"margin: 0 0 16px 0; line-height: 1.6;\"\u003e40-S3M-186 has a 3 mm tooth pitch, 62 teeth, a belt width of 4 mm, and a 186 mm (Pitch Length). The pitch length is the pitch-line circumference.\u003c\/p\u003e\u003ch3 style=\"color: #1e2d4d !important; font-size: 18px; font-weight: 600 !important; margin-top: 20px; margin-bottom: 8px;\"\u003eWhat does the S3M in 40-S3M-186 mean?\u003c\/h3\u003e\u003cp style=\"margin: 0 0 16px 0; line-height: 1.6;\"\u003eS3M is a STD (curvilinear) synchronous tooth profile. The belt must match the pulley, so a S3M belt runs only on S3M pulleys.\u003c\/p\u003e\u003ch3 style=\"color: #1e2d4d !important; font-size: 18px; font-weight: 600 !important; margin-top: 20px; margin-bottom: 8px;\"\u003eDoes 40-S3M-186 ship from Houston?\u003c\/h3\u003e\u003cp style=\"margin: 0 0 16px 0; line-height: 1.6;\"\u003eYes. 40-S3M-186 ships from our Houston, Texas warehouse, with same-day shipping on in-stock items. Call (888) 203-2358 to confirm stock and request a quote.\u003c\/p\u003e\u003cdiv style=\"background-color: #1e2d4d; color: #ffffff; padding: 24px; margin: 30px 0; text-align: center; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0 0 12px 0; font-size: 18px; font-weight: 600; color: #ffffff !important;\"\u003eNeed a quote on 40-S3M-186?\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 16px 0; color: #ffffff !important;\"\u003eHouston warehouse — same-day shipping on stock items.\u003c\/p\u003e\n\u003ca href=\"tel:8882032358\" style=\"display: inline-block; background-color: #C8102E; color: #ffffff !important; padding: 12px 28px; text-decoration: none; font-weight: 600; border-radius: 4px;\"\u003eCall (888) 203-2358\u003c\/a\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is 40-S3M-186 used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"40-S3M-186 is a timing belt used on positive, no-slip drives such as conveyors, pumps, packaging machinery, robotics, and machine tools. Synchronous belts hold timing between shafts, so they suit applications where slip is unacceptable.\"}}, {\"@type\": \"Question\", \"name\": \"What are the dimensions of 40-S3M-186?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"40-S3M-186 has a 3 mm tooth pitch, 62 teeth, a belt width of 4 mm, and a 186 mm (Pitch Length). The pitch length is the pitch-line circumference.\"}}, {\"@type\": \"Question\", \"name\": \"What does the S3M in 40-S3M-186 mean?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"S3M is a STD (curvilinear) synchronous tooth profile. The belt must match the pulley, so a S3M belt runs only on S3M pulleys.\"}}, {\"@type\": \"Question\", \"name\": \"Does 40-S3M-186 ship from Houston?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 40-S3M-186 ships from our Houston, Texas warehouse, with same-day shipping on in-stock items. Call (888) 203-2358 to confirm stock and request a quote.\"}}]}\u003c\/script\u003e","brand":"D\u0026D Global","offers":[{"title":"Default Title","offer_id":46920688468157,"sku":"DD-40-S3M-186","price":1.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/7721\/files\/T-S3M_A_5d650411-ccd8-47bf-b74f-e22dac3ceafb.jpg?v=1781137806","url":"https:\/\/texasbelting.com\/products\/40-s3m-186-timing-belt-186","provider":"Texas Belting and Supply","version":"1.0","type":"link"}