{"product_id":"3b-triple-groove-b-section-cast-iron-pulley-sh-bushing","title":"3B Triple-Groove B-Section Cast Iron V-Belt Pulley — SH-Bushing Type (Bushing Sold Separately)","description":"\u003cp\u003eThe 3B triple-groove (3-groove) B-section cast iron V-belt pulley is a precision-machined, statically balanced QD-style sheave built for high-load, three-belt power transmission on air compressors, pumps, blowers, and heavy-duty industrial drives. It accepts a Type \"SH\" quick-detachable (QD) bushing — sold separately — so one pulley covers a wide range of shaft sizes and installs or removes in minutes.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGrooves: 3 (triple groove)\u003c\/li\u003e\n\u003cli\u003eBelt section: A \/ 4L and B \/ 5L V-belts\u003c\/li\u003e\n\u003cli\u003eMaterial: fine-grained gray cast iron, statically balanced\u003c\/li\u003e\n\u003cli\u003eBushing: Type \"SH\" QD bushing required — sold separately\u003c\/li\u003e\n\u003cli\u003eBushing bore range: 1\/2\" to 1-11\/16\" (set by the SH bushing you choose)\u003c\/li\u003e\n\u003cli\u003eAvailable outside diameters: 3.75\", 3.95\", 4.15\", 4.35\", 4.55\", 4.75\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cp\u003eReciprocating and rotary-screw air compressors, large centrifugal pumps, fans and blowers, conveyors, and other high-torque belt-driven equipment where three matched V-belts share the load and a quick-detachable, re-borable pulley simplifies installation and maintenance.\u003c\/p\u003e\n\u003cp\u003eOrder the matching Type \"SH\" bushing separately to set your exact bore. This 3B triple-groove B-section cast iron V-belt pulley combines slip-free, three-belt grip with the fast on\/off convenience of the QD bushing system for A\/4L and B\/5L drives.\u003c\/p\u003e","brand":"Warthog Air Compressor Store","offers":[{"title":"3.75\" OD (3B34)","offer_id":54385667801363,"sku":"3B34-SH","price":74.0,"currency_code":"USD","in_stock":true},{"title":"3.95\" OD (3B36)","offer_id":54385667834131,"sku":"3B36-SH","price":77.0,"currency_code":"USD","in_stock":true},{"title":"4.15\" OD (3B38)","offer_id":54385667866899,"sku":"3B38-SH","price":80.0,"currency_code":"USD","in_stock":true},{"title":"4.35\" OD (3B40)","offer_id":54385667899667,"sku":"3B40-SH","price":84.0,"currency_code":"USD","in_stock":true},{"title":"4.55\" OD (3B42)","offer_id":54385667932435,"sku":"3B42-SH","price":87.0,"currency_code":"USD","in_stock":true},{"title":"4.75\" OD (3B44)","offer_id":54385667965203,"sku":"3B44-SH","price":91.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/3B34SH__98574.1435079910.jpg?v=1783367327","url":"https:\/\/aircompressorstore.com\/products\/3b-triple-groove-b-section-cast-iron-pulley-sh-bushing","provider":"Warthog Air Compressor Store","version":"1.0","type":"link"}