{"product_id":"sd-style-qd-bushing","title":"SD-Style QD Bushing for Pulleys \u0026 Sheaves — Split Taper, Ductile Iron","description":"\u003cp\u003eSD-style Quick Disconnect (QD) bushing that locks an SD-bored sheave, pulley, or sprocket onto a shaft with a precision split-taper grip. Slide the tapered bushing into the mating bore, tighten the cap screws, and it draws down into a tight, concentric, slip-free fit — then reverse the screws to release it without pullers.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e SD-type QD (Quick Disconnect) bushing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e select from 5\/8\" through 1-7\/8\" (finished bore, keyway broached to standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e tapered and fully split on one side for a true compression fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e high-strength ductile iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware included:\u003c\/strong\u003e three grade-5 cap screws plus a set screw over the keyway\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e reversible — mounts and dismounts from either side, no pullers required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e V-belt drives, air compressors, fans and blowers, pumps, conveyors, and general industrial power-transmission where a sheave or sprocket must be mounted quickly and squarely to a shaft.\u003c\/p\u003e\n\u003cp\u003eThe SD-style QD bushing system is an industry standard for quick, secure sheave and pulley mounting. This bushing fits any SD-bored component, delivers a concentric, vibration-resistant hold, and comes off cleanly for fast changeouts — making it a reliable, low-maintenance choice for keeping belt drives running true.\u003c\/p\u003e","brand":"Warthog Air Compressor Store","offers":[{"title":"5\/8\"","offer_id":54385669112083,"sku":"SDx5\/8","price":36.0,"currency_code":"USD","in_stock":true},{"title":"3\/4\"","offer_id":54385669144851,"sku":"SDx3\/4","price":36.0,"currency_code":"USD","in_stock":true},{"title":"7\/8\"","offer_id":54385669177619,"sku":"SDx7\/8","price":36.0,"currency_code":"USD","in_stock":true},{"title":"1\"","offer_id":54385669210387,"sku":"SDx1","price":36.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8\"","offer_id":54385669243155,"sku":"SDx1-1\/8","price":36.0,"currency_code":"USD","in_stock":true},{"title":"1-3\/8\"","offer_id":54385669275923,"sku":"SDx1-3\/8","price":36.0,"currency_code":"USD","in_stock":true},{"title":"1-5\/8\"","offer_id":54385669308691,"sku":"SDx1-5\/8","price":36.0,"currency_code":"USD","in_stock":true},{"title":"1-7\/8\"","offer_id":54385669341459,"sku":"SDx1-7\/8","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/QD-Bushing-MDS-of-Michigan_d1378b4e-9511-4081-9b27-953416f765b3.webp?v=1783367280","url":"https:\/\/aircompressorstore.com\/products\/sd-style-qd-bushing","provider":"Warthog Air Compressor Store","version":"1.0","type":"link"}