{"product_id":"1b-single-groove-b-section-cast-iron-sheave-sk-bushing","title":"1B Single-Groove B-Section Cast Iron V-Belt Sheave — SK Bushing Type (Bushing Sold Separately)","description":"\u003cp\u003eThe 1B single-groove B-section cast iron V-belt sheave is a precision-machined, statically balanced pulley built for dependable, slip-free power transmission on air compressors, blowers, fans, pumps and industrial machinery. It runs a single B (also 5L) V-belt and uses the popular \u003cstrong\u003eSK-type tapered QD bushing\u003c\/strong\u003e for a secure, concentric grip on the shaft. The bushing is \u003cstrong\u003esold separately\u003c\/strong\u003e, letting you match the exact bore you need to your shaft or motor frame.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfiguration: Single-groove (1 belt)\u003c\/li\u003e\n\u003cli\u003eBelt section: B \/ 5L (5\/8\" top width)\u003c\/li\u003e\n\u003cli\u003eMaterial: Class 30 gray cast iron, precision-machined and balanced\u003c\/li\u003e\n\u003cli\u003eBushing system: SK-type tapered QD bushing — \u003cem\u003esold separately\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eBore: set by the SK bushing you select (finished bore)\u003c\/li\u003e\n\u003cli\u003eOutside diameters: 15.75\", 16.35\", 18.75\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cp\u003eAir compressors, blowers and fans, centrifugal and positive-displacement pumps, conveyors, and general industrial drive systems where a single B-section belt carries the load.\u003c\/p\u003e\n\u003cp\u003eNot sure which bushing size you need? Add your shaft diameter or motor frame to the end of the part number and we'll include the correct SK bushing (example: 1B154-SK-2-3\/8\"). This 1B single-groove B-section cast iron sheave delivers reliable, balanced V-belt power transmission across a range of outside diameters.\u003c\/p\u003e","brand":"Warthog Air Compressor Store","offers":[{"title":"15.75\" OD (1B154-SK)","offer_id":54385666294035,"sku":"1B154-SK","price":194.0,"currency_code":"USD","in_stock":true},{"title":"16.35\" OD (1B160-SK)","offer_id":54385666326803,"sku":"1B160-SK","price":228.0,"currency_code":"USD","in_stock":true},{"title":"18.75\" OD (1B184-SK)","offer_id":54385666359571,"sku":"1B184-SK","price":261.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/1B34SH__40961.1781044535.jpg?v=1783367641","url":"https:\/\/aircompressorstore.com\/products\/1b-single-groove-b-section-cast-iron-sheave-sk-bushing","provider":"Warthog Air Compressor Store","version":"1.0","type":"link"}