Sewing Machine Rotary Hook Drive Gear. Fits Models: Riccar 990, R750, R650, R551, 414, 500, 525, 555F, 572, 606, 666FA, 805, 806, 807, 808E, 888, 906E, 2600, 2800, 2900, 2950, 3300, 3400, 3500, 3600, 4001, 4003, 8400, 8500, 9150, 9160, 9600, 9700, 9800, 9900, RE571, RE581, RE591, RM570, Tacony FA76253741
