{"product_id":"bk27-cast-iron-v-belt-pulley-1-groove-b-section-half-inch-bore","title":"BK27 Cast Iron V-Belt Pulley — 2.70\" OD, 1-Groove, 1\/2\" Fixed Bore (B\/5L Section)","description":"\u003cp\u003eThe \u003cstrong\u003eBK27\u003c\/strong\u003e is a precision-machined single-groove cast iron V-belt pulley with a \u003cstrong\u003e2.70\" outside diameter\u003c\/strong\u003e and a finished \u003cstrong\u003e1\/2\" fixed bore\u003c\/strong\u003e for direct shaft mounting. Designed for \u003cstrong\u003eB-section (5L)\u003c\/strong\u003e V-belts — and compatible with 4L\/A belts — it delivers smooth, reliable power transmission on air compressors, blowers, fans, and general industrial drives.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e BK27\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside diameter:\u003c\/strong\u003e 2.70\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrooves:\u003c\/strong\u003e 1 (single groove)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBelt section:\u003c\/strong\u003e B \/ 5L (also fits 4L \/ A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 1\/2\" fixed (finished) bore with setscrew\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Fine-grained cast iron, statically balanced and painted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eAir compressors, HVAC blowers, exhaust fans, pumps, and general industrial and agricultural belt-drive equipment.\u003c\/p\u003e\n\u003cp\u003eThe BK27 cast iron sheave is statically balanced for vibration-free operation at speed, making it a dependable replacement pulley for single-phase and three-phase motor drives wherever a 2.70\" OD, 1\/2\"-bore B-section pulley is required.\u003c\/p\u003e","brand":"Warthog Air Compressor Store","offers":[{"title":"Default Title","offer_id":54384650780947,"sku":"BK27x1\/2","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/BK25x5_8_primary_image__CZWB_v1_5a6b131b-2aaa-4fb2-b9a1-90cf31c3a30f.png?v=1783363354","url":"https:\/\/aircompressorstore.com\/products\/bk27-cast-iron-v-belt-pulley-1-groove-b-section-half-inch-bore","provider":"Warthog Air Compressor Store","version":"1.0","type":"link"}