{"product_id":"mac-elevator-hatch-door-roller-wheel-2-7-8-polyurethane-door-hanger-roller","title":"MAC Elevator Hatch Door Roller Wheel – 2-7\/8\" Polyurethane Door Hanger Roller","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for hatch and car door applications, this elevator door hanger roller and sheave is built to provide consistent, quiet operation while maintaining proper door alignment. Commonly used on MAC and KONE\/Montgomery door operators, it features a durable polyurethane tire with a concave tread profile to promote smooth guidance along the track and reduce rolling noise during operation. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIdeal for modernization projects, routine maintenance, or replacing worn door hanger rollers, this assembly combines a precision-molded polyurethane wheel with an integrated threaded axle stud for dependable performance in demanding elevator door systems. Its robust construction helps maintain smooth sliding action while supporting accurate door movement throughout normal service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eNominal wheel diameter: 2.5 inches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eActual outer diameter: 2-7\/8 inches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePolyurethane tire construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e9\/32-inch concave tread radius\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes 7\/16-20 threaded axle stud\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes hex jam nut\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for hatch and car door hanger assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with many MAC and KONE\/Montgomery door operator applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for modernization, maintenance, and replacement of worn door rollers\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor dependable elevator door performance, replacement components should always be installed and inspected by qualified elevator personnel. Proper installation and verification of component fitment help maintain smooth, reliable operation and long-term service life.\u003c\/span\u003e\u003c\/p\u003e","brand":"KONE \/ Montgomery","offers":[{"title":"Default Title","offer_id":47481086574754,"sku":"RLR.MAC.278","price":61.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/7949\/1234\/files\/Mac-Kone-Elevator-Hatch-Door-Hanger-Roller-Wheel_1.png?v=1785252749","url":"https:\/\/liftpartspro.com\/products\/mac-elevator-hatch-door-roller-wheel-2-7-8-polyurethane-door-hanger-roller","provider":"Lift Parts Pro","version":"1.0","type":"link"}