{"product_id":"bb-21-3p15-6fa2","title":"21-3P15-6FA2 Powerhouse® Timing Pulley, 21 Teeth, 3P Pitch, 3\/16 in Bore","description":"\u003ch1 style=\"color: #1e2d4d !important; font-size: 28px; font-weight: 700 !important; margin-bottom: 10px;\"\u003e21-3P15-6FA2 Powerhouse® Timing Pulley, 21 Teeth, 3P Pitch, 3\/16 in Bore\u003c\/h1\u003e\n\n\u003cp style=\"line-height: 1.6; margin: 0 0 16px 0;\"\u003eThe 21-3P15-6FA2 is a 21-tooth 3 mm Powerhouse® curvilinear timing pulley with a 3\/16 in finished bore, machined from aluminum with a clear  anodized finish, built for 15mm wide belts. Machined from solid stock, never sintered or powdered metal. The Powerhouse® modified curvilinear profile carries roughly twice the load of a standard curvilinear pulley of the same size.\u003c\/p\u003e\n\n\u003cdiv style=\"border: 1px solid #d9d9d9 !important; border-left: 4px solid #C8102E !important; border-radius: 4px !important; background: #ffffff !important; padding: 16px 20px !important; margin: 0 0 20px 0 !important;\"\u003e\n  \u003cp style=\"color: #1e2d4d !important; font-size: 16px !important; line-height: 1.6 !important; margin: 0 !important;\"\u003e\u003cstrong\u003e$50 minimum order on drive components.\u003c\/strong\u003e Mix and match any pulleys, bushings, sheaves, sprockets, and accessories in your cart to reach the $50 minimum. Questions? Call \u003ca href=\"tel:+18882032358\" style=\"color: #C8102E !important; font-weight: 700 !important; text-decoration: none !important;\"\u003e(888) 203-2358\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"color: #1e2d4d !important; font-size: 24px; font-weight: 600 !important; margin-top: 30px; margin-bottom: 12px;\"\u003eSpecifications\u003c\/h2\u003e\n\n\u003cdiv style=\"text-align: center !important; margin: 20px 0 !important;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0666\/7721\/files\/bb-schematic-type6f.jpg\" alt=\"Type 6F pulley construction dimension diagram\" style=\"max-width: 360px !important; width: 100% !important; height: auto !important;\"\u003e\u003cp style=\"font-size: 13px !important; color: #555555 !important; margin: 6px 0 0 0 !important;\"\u003eDimension key for this construction type. Values for this part number are in the table below.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-family: inherit;\"\u003e\n  \u003cthead\u003e\n    \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\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\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;\"\u003e21-3P15-6FA2\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;\"\u003eTeeth\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e21\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;\"\u003ePitch\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e3 mm Powerhouse® curvilinear\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;\"\u003eFor Belt Width\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e15mm\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;\"\u003ePitch Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.7895 in\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;\"\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.7595 in\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;\"\u003eFlange Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.895 in\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;\"\u003eBore\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e3\/16 in finished bore\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;\"\u003eFace Width\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.742 in\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;\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e1.057 in\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;\"\u003eHub Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.5 in\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;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eStandard Hub\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;\"\u003eSet Screws\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e2 x 4-40\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;\"\u003eFlange Material\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eAluminum\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;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eAluminum (no sintered or powdered metal)\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;\"\u003eFinish\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eClear  Anodized\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;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.033 lb\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;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eIndia\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"color: #1e2d4d !important; font-size: 24px; font-weight: 600 !important; margin-top: 30px; margin-bottom: 12px;\"\u003eApplications\u003c\/h2\u003e\n\n\u003cul style=\"line-height: 1.7; margin: 0 0 16px 0; padding-left: 22px;\"\u003e\n  \u003cli\u003eHigher load synchronous drives in compact spaces\u003c\/li\u003e\n  \u003cli\u003eIndustrial automation and conveyor drives\u003c\/li\u003e\n  \u003cli\u003ePackaging and material handling equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #1e2d4d !important; font-size: 24px; font-weight: 600 !important; margin-top: 30px; margin-bottom: 12px;\"\u003eBelt Compatibility\u003c\/h2\u003e\n\n\u003cp style=\"line-height: 1.6; margin: 0 0 16px 0;\"\u003eThe 21-3P15-6FA2 runs 3 mm Powerhouse® curvilinear belts in 15mm width. The pitch is standardized, so belt and pulley brands can be mixed.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #1e2d4d !important; font-size: 24px; font-weight: 600 !important; margin-top: 30px; margin-bottom: 12px;\"\u003eCross Reference\u003c\/h2\u003e\n\n\u003cp style=\"line-height: 1.6; margin: 0 0 16px 0;\"\u003eThe 21-3P15-6FA2 interchanges with these equivalent part numbers, per published manufacturer interchange data:\u003c\/p\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-family: inherit;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #1e2d4d; color: #ffffff;\"\u003e\n      \u003cth style=\"padding: 12px; text-align: left; border: 1px solid #1e2d4d;\"\u003eManufacturer\u003c\/th\u003e\n      \u003cth style=\"padding: 12px; text-align: left; border: 1px solid #1e2d4d;\"\u003eEquivalent Part Number\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: 600;\"\u003eStock Drive Products (SDP\/SI)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eA 6A53-021DF1506\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;\"\u003eNeuman\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e3MR-21S-15-6F\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;\"\u003ePowerdrive\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e21-3P15-6FA2\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;\"\u003eContinental (ContiTech)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e21-3P15-6FA2\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 14px; color: #555555; line-height: 1.5; margin: 0 0 16px 0;\"\u003eAlways verify dimensions and bore size before substituting part numbers across manufacturers.\u003c\/p\u003e\n\n\u003cdiv style=\"border: 1px solid #d9d9d9 !important; border-radius: 10px !important; padding: 32px 24px !important; margin: 24px 0 !important; text-align: center !important; background: #ffffff !important;\"\u003e\n  \u003cp style=\"color: #C8102E !important; font-size: 22px !important; font-weight: 700 !important; margin: 0 0 14px 0 !important;\"\u003eBuying in bulk? Save on volume.\u003c\/p\u003e\n  \u003cp style=\"color: #1e2d4d !important; font-size: 17px !important; line-height: 1.6 !important; margin: 0 0 22px 0 !important;\"\u003eMulti-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote.\u003c\/p\u003e\n  \u003cdiv\u003e\n    \u003ca href=\"tel:+18882032358\" style=\"display: inline-block !important; background: #C8102E !important; color: #ffffff !important; font-size: 16px !important; font-weight: 700 !important; text-decoration: none !important; padding: 14px 26px !important; border-radius: 6px !important; margin: 6px 8px !important;\"\u003eCall (888) 203-2358\u003c\/a\u003e\n    \u003ca href=\"mailto:sales@texasbelting.com\" style=\"display: inline-block !important; background: #1e2d4d !important; color: #ffffff !important; font-size: 16px !important; font-weight: 700 !important; text-decoration: none !important; padding: 14px 26px !important; border-radius: 6px !important; margin: 6px 8px !important;\"\u003eEmail sales@texasbelting.com\u003c\/a\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"color: #1e2d4d !important; font-size: 24px; font-weight: 600 !important; margin-top: 30px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3 style=\"color: #1e2d4d !important; font-size: 18px; font-weight: 600 !important; margin-top: 20px; margin-bottom: 8px;\"\u003eWhat belts fit the 21-3P15-6FA2 pulley?\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 16px 0; line-height: 1.6;\"\u003e3 mm Powerhouse® curvilinear timing belts in 15mm width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1e2d4d !important; font-size: 18px; font-weight: 600 !important; margin-top: 20px; margin-bottom: 8px;\"\u003eDoes the 21-3P15-6FA2 replace the Stock Drive Products A 6A53-021DF1506?\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 16px 0; line-height: 1.6;\"\u003eYes. Published interchange data crosses the 21-3P15-6FA2 directly to the Stock Drive Products A 6A53-021DF1506, as well as Neuman 3MR-21S-15-6F, Powerdrive 21-3P15-6FA2, Continental 21-3P15-6FA2. Verify dimensions and bore before ordering.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1e2d4d !important; font-size: 18px; font-weight: 600 !important; margin-top: 20px; margin-bottom: 8px;\"\u003eDoes the 21-3P15-6FA2 ship from Houston?\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 16px 0; line-height: 1.6;\"\u003eYes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.\u003c\/p\u003e\n\n\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 21-3P15-6FA2?\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\n\n\u003cp style=\"font-size: 12px; color: #777777; line-height: 1.5; margin-top: 24px;\"\u003ePowerhouse® is a registered trademark of its owner. HTD® is a registered trademark of Gates Corporation. All third-party part numbers and trademarks referenced are the property of their respective owners. References are for compatibility identification only and do not imply affiliation or endorsement.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What belts fit the 21-3P15-6FA2 pulley?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"3 mm Powerhouse curvilinear timing belts in 15mm width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the 21-3P15-6FA2 replace the Stock Drive Products A 6A53-021DF1506?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Published interchange data crosses the 21-3P15-6FA2 directly to the Stock Drive Products A 6A53-021DF1506, as well as Neuman 3MR-21S-15-6F, Powerdrive 21-3P15-6FA2, Continental 21-3P15-6FA2. Verify dimensions and bore before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the 21-3P15-6FA2 ship from Houston?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"BBMfg","offers":[{"title":"Default Title","offer_id":46927411249341,"sku":"BB-21-3P15-6FA2","price":16.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/7721\/files\/21-3P15-6FA2_dbb858c3-3c11-433d-867b-5e23cfaa138f.jpg?v=1781209438","url":"https:\/\/texasbelting.com\/products\/bb-21-3p15-6fa2","provider":"Texas Belting and Supply","version":"1.0","type":"link"}