To provide a rotary punch unit capable of ensuring plural punching of sheet material with great punching reaction.

For a rotary punch unit, a pair of rotating shafts 11, 21 with plural punches 13a, 13c mounted on one shaft 11 and plural dies 23a, 23c mounted on the other shaft 21 are arranged in mutual parallel, so that they can be rotated in mutual opposition to synchronously engage the punches 13a, 13c with the dies 12a, 12c for plural punching at the same time. A pair of shaft end bearings 6a, 6b, 8a, 8b to pivotally support the rotating shafts 11, 21 at both shaft ends and at least one pair of wear resistant resin support bearings 14, 24 to support the rotating shafts 11, 12 located to prevent the deflection of the rotating shafts 11, 12 with punching reaction are provided.