{"product_id":"b148","title":"HVAC \u0026 Equipment V-Belt B148, Replaces Timken BP148","description":"\u003cstyle\u003e\n.xp{font-family:Arial,Helvetica,sans-serif;color:#1b1b1b;line-height:1.5;max-width:1100px;margin:auto}.xp *{box-sizing:border-box}.xp .hero{position:relative;overflow:hidden;border-radius:12px;padding:22px 28px;margin-bottom:18px;color:#fff;background:#111;isolation:isolate}.xp .hero:before{content:\"\";position:absolute;inset:0;z-index:-2;background:url('https:\/\/cdn.shopify.com\/s\/files\/1\/0897\/7783\/2225\/files\/4444444444444444.png?v=1777040489') center\/cover no-repeat}.xp .hero:after{content:\"\";position:absolute;inset:0;z-index:-1;background:linear-gradient(135deg,rgba(0,0,0,.86) 55%,rgba(0,0,0,.45))}.xp .label{display:inline-block;background:#e60000;color:#fff;font-weight:800;font-size:11px;letter-spacing:.05em;padding:6px 10px;border-radius:20px;margin-bottom:9px}.xp .hero h2{font-size:clamp(22px,3vw,34px);line-height:1.1;margin:0 0 8px;color:#fff!important}.xp .hero p{margin:0;color:#fff!important}.xp .specs{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}.xp .specs span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);padding:5px 8px;border-radius:7px;font-size:12px;font-weight:700}.xp h2{font-size:27px;margin:28px 0 10px;color:#111}.xp .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin:16px 0}.xp .card{border:1px solid #ddd;border-radius:10px;padding:16px;background:#fff}.xp .card strong{display:block;color:#e60000;margin-bottom:3px}.xp ul,.xp ol{padding-left:22px}.xp li{margin:6px 0}.xp .tip{border-left:5px solid #e60000;background:#f6f6f6;padding:16px 18px;border-radius:9px;margin:22px 0}.xp .note{font-size:14px;color:#444;background:#fafafa;border:1px solid #e5e5e5;border-radius:9px;padding:14px}@media(max-width:640px){.xp .hero{padding:19px}.xp .hero h2{font-size:24px}.xp h2{font-size:24px}}\n\u003c\/style\u003e\n\u003cdiv class=\"xp\"\u003e\n\u003csection class=\"hero\"\u003e\n\u003cdiv class=\"label\"\u003eBELT SLIPPING OR WORN?\u003c\/div\u003e\n\u003ch2\u003eHVAC \u0026amp; Equipment V-Belt B148, Fixes Belt Slipping\u003c\/h2\u003e\n\u003cp\u003eWrapped classical B-section drive belt for HVAC, fans, blowers, pumps, conveyors, mixers and industrial machinery.\u003c\/p\u003e\n\u003cdiv class=\"specs\"\u003e\n\u003cspan\u003ePart B148\u003c\/span\u003e\n\u003cspan\u003e151\"\u003c\/span\u003e\n\u003cspan\u003e21\/32\" Top Width\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eB148 V-belt\u003c\/strong\u003e transfers motor power to a compatible driven sheave. The B number is the primary classical belt designation. Match the original marking, section and manufacturer specifications before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eCross-Reference Information\u003c\/h2\u003e\n\u003cdiv class=\"grid\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eVerified Classical Numbers\u003c\/strong\u003eB148, Timken B148, Timken BP148\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003ePublished Length Information\u003c\/strong\u003eTimken published outside length: 151\"; Uploaded catalog outside length: 151\"\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eCogged Alternative\u003c\/strong\u003eNo BX crossover was added because this size was not found in the official BX size table used for this audit.\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eBelt Profile\u003c\/strong\u003eB section, 21\/32\" × 7\/16\", 40°\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp class=\"note\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Manufacturer-published outside lengths can vary because the B designation is based on an industry classical length system and accurate belt measurement requires prescribed pulleys and tension. Match the complete part number rather than measuring a loose belt by hand.\u003c\/p\u003e\n\n\n\u003ch2\u003eIs This the Right Belt?\u003c\/h2\u003e\n\u003cdiv class=\"grid\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003ePrimary Part Number\u003c\/strong\u003eB148\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eCross Section\u003c\/strong\u003eClassical B section\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eTop Width\u003c\/strong\u003e21\/32\" \/ approximately 16.7 mm\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eNominal Thickness\u003c\/strong\u003e7\/16\" \/ approximately 11.1 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCommon Symptoms\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBelt slips or squeals under load\u003c\/li\u003e\n\u003cli\u003eFan, blower, pump or conveyor runs slowly\u003c\/li\u003e\n\u003cli\u003eBlack belt dust appears around the sheaves\u003c\/li\u003e\n\u003cli\u003eBelt is glazed, cracked, stretched or frayed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCheck Before Replacing\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the B-section profile and full original belt marking\u003c\/li\u003e\n\u003cli\u003eInspect sheaves for worn, polished, rusted or dished grooves\u003c\/li\u003e\n\u003cli\u003eCheck shaft alignment and bearing condition\u003c\/li\u003e\n\u003cli\u003eConfirm the required service rating and tension specification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"tip\"\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e A new belt can fail early when sheaves are worn, shafts are misaligned, bearings drag or tension is excessive. Correct the root cause before installation.\u003c\/div\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect and lock out electrical power.\u003c\/li\u003e\n\u003cli\u003eRelieve drive tension according to the equipment service manual.\u003c\/li\u003e\n\u003cli\u003eDo not pry the belt over a pulley; create enough slack for installation.\u003c\/li\u003e\n\u003cli\u003eAlign the pulleys and set tension to the equipment manufacturer's specification.\u003c\/li\u003e\n\u003cli\u003eRotate the drive by hand, reinstall guards, restore power and test operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eVerified Compatible Equipment Models\u003c\/h2\u003e\n\u003cp class=\"note\"\u003eNo manufacturer-published model-level fitment was verified for this universal classical belt. Verified sources publish broad applications including mixers, pumps, conveyors, fans, blowers, compressors and general industrial drives. Match by exact belt designation and equipment specifications—not equipment category alone.\u003c\/p\u003e\n\n\u003cp class=\"note\"\u003e\u003cstrong\u003eSearch and crossover terms:\u003c\/strong\u003e B148, Timken B148, Timken BP148.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"XPart Supply","offers":[{"title":"Default Title","offer_id":51222594519329,"sku":"B148","price":34.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0897\/7783\/2225\/files\/drive_belts.png?v=1785290132","url":"https:\/\/xpartsupply.com\/products\/b148","provider":"XPart Supply Ltd.","version":"1.0","type":"link"}