New Aftermarket double mega wide pickup idler sprocket with bearings. Sprocket has 22 / 40 teeth and 1.127" hex bore diameter. Used on 50 chain.  Compatible with John Deere round baler models:  466, 566, 446, 546, 456, 556, 467, 567, 457, 557, 447, 547, 468, 568, 569

Bore - 1.127"
Chain Size - 50
Teeth - Double Sprocket; 40 & 22

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Replaces AE51818

OEM# for reference only