SPROCKET and Hub, Single, #50 chain, 19 teeth; 1.36"ID x .37" wide keyway x 5.00" wide overall. Hub has 2 setscrews and lock nuts. Application: NH Models 818 and SP818, Engine Drive at Gearbox, 020...
SPROCKET, Single, CA550 Chain, 27 Teeth; TINE BAR, DRIVE & CAM TRACKS, Related part Needle Bearing 37326 - 2 used in this sprocket. New OEM New Holland part number 40978. 78, 178, S78, 202T
SPROCKET, no hub, 13T #CA550 and CA557 Chain Pitch 1.63", with 4 tapped holes. 3-7/8"ID x 7-1/2" OD. 570914 replaced by 708521. This is new OEM New Holland part number 570914. NH Balers 845, 846,...