{"product_id":"bb-25l-fs","title":"25L-FS Timing Pulley Flange, 3.375 in OD","description":"\u003cp style=\"color: #5a6478 !important; font-size: 14px !important; line-height: 1.5 !important; font-style: italic !important; margin: 0 0 16px 0 !important; padding: 10px 14px !important; background: #f5f6f8 !important; border-left: 3px solid #1e2d4d !important;\"\u003eRepresentative image shown. Actual product appearance varies by size, bore, and configuration. Refer to the specifications table for exact dimensions of this part number.\u003c\/p\u003e\n\n\u003ch1 style=\"color: #1e2d4d !important; font-size: 28px; font-weight: 700 !important; margin-bottom: 10px;\"\u003e25L-FS Timing Pulley Flange, 3.375 in OD\u003c\/h1\u003e\n\n\u003cp style=\"line-height: 1.6; margin: 0 0 16px 0;\"\u003eThe 25L-FS is a timing pulley flange with a 3.375 in outside diameter and 2.61 in inside diameter, steel. Flanges press onto unflanged pulleys to keep the belt tracking on the teeth, which is required when shaft alignment cannot be held exactly parallel.\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\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;\"\u003e25L-FS\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;\"\u003e3.375 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;\"\u003eInside Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e2.61 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;\"\u003eStock Thickness\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.06 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;\"\u003eOverall Form Thickness\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.09 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;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eSteel (no sintered or powdered metal)\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;\"\u003e0.05 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;\"\u003eUnited States. ISO 9001:2015 certified manufacturing.\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\u003eFlanging custom pulleys machined from bar stock\u003c\/li\u003e\n  \u003cli\u003eReplacing damaged flanges on existing pulleys\u003c\/li\u003e\n  \u003cli\u003eBelt retention on drives with axial belt drift\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;\"\u003eCross Reference\u003c\/h2\u003e\n\n\u003cp style=\"line-height: 1.6; margin: 0 0 16px 0;\"\u003eThe 25L-FS 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 6C 4-25FS\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;\"\u003eGrainger\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e816UK7\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;\"\u003e25L-FS\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;\"\u003eWhen does a timing pulley need flanges like the 25L-FS?\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 16px 0; line-height: 1.6;\"\u003eWhen the belt can walk axially: long center distances, vertical shafts, or any drive where the shafts are not held perfectly parallel. Standard practice is to flange at least one pulley in the drive, typically the smaller one.\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 25L-FS replace the Stock Drive Products A 6C 4-25FS?\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 16px 0; line-height: 1.6;\"\u003eYes. Published interchange data crosses the 25L-FS directly to the Stock Drive Products A 6C 4-25FS, as well as Grainger 816UK7, Powerdrive 25L-FS. 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 25L-FS 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 25L-FS?\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;\"\u003eAll 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\": \"When does a timing pulley need flanges like the 25L-FS?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"When the belt can walk axially: long center distances, vertical shafts, or any drive where the shafts are not held perfectly parallel. Standard practice is to flange at least one pulley in the drive, typically the smaller one.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the 25L-FS replace the Stock Drive Products A 6C 4-25FS?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Published interchange data crosses the 25L-FS directly to the Stock Drive Products A 6C 4-25FS, as well as Grainger 816UK7, Powerdrive 25L-FS. Verify dimensions and bore before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the 25L-FS 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":46927637545149,"sku":"BB-25L-FS","price":6.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/7721\/files\/bb-generic-flanges_179e6ba9-ac90-424a-8fa6-643c6d61da9c.jpg?v=1781209991","url":"https:\/\/texasbelting.com\/products\/bb-25l-fs","provider":"Texas Belting and Supply","version":"1.0","type":"link"}