{"product_id":"2bk25-cast-iron-v-belt-pulley-2-groove-b-section-half-inch-bore","title":"2BK25 Cast Iron V-Belt Pulley — 2.50\" OD, 2-Groove, 1\/2\" Fixed Bore (B\/5L Section)","description":"\u003cp\u003eThe \u003cstrong\u003e2BK25\u003c\/strong\u003e is a precision-machined double-groove cast iron V-belt pulley with a \u003cstrong\u003e2.50\" outside diameter\u003c\/strong\u003e and a finished \u003cstrong\u003e1\/2\" fixed bore\u003c\/strong\u003e for direct shaft mounting. Its two grooves carry \u003cstrong\u003eB-section (5L)\u003c\/strong\u003e V-belts — and are compatible with 4L\/A belts — for higher-torque, reliable power transmission on air compressors, blowers, fans, and 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 2BK25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside diameter:\u003c\/strong\u003e 2.50\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrooves:\u003c\/strong\u003e 2 (double 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 requiring a two-belt drive.\u003c\/p\u003e\n\u003cp\u003eThe 2BK25 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 2.50\" OD, 1\/2\"-bore, 2-groove B-section pulley is required.\u003c\/p\u003e","brand":"Warthog Air Compressor Store","offers":[{"title":"Default Title","offer_id":54384651600147,"sku":"2BK25x1\/2","price":56.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/5UHG1_AS01.png?v=1783363359","url":"https:\/\/aircompressorstore.com\/products\/2bk25-cast-iron-v-belt-pulley-2-groove-b-section-half-inch-bore","provider":"Warthog Air Compressor Store","version":"1.0","type":"link"}