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BOTTOM SPROCKET ON MAIN ROTOR SHAFT
#LT100BS30X21/2
2 1/2” bore
(2) 1/2” key ways
#100 – 30 Tooth
(2) Drive key 1/2” x 1/2” x 2” #LT12122 hardened
Bottom Sprocket Hardware
2 1/2” I.D. narrow machine washers as needed #LTMB21/2
(1) 2 1/2” snap ring #LTSRE21/2