Motors are in good working order, spin concisely with expected magnetic detents, shafts are pristine and have never been mounted on machinery, NOS. Sticker faces have had wear due to how they were stored, a few nicks and scratches that are fairly superficial.
NEMA85 format, 85mm square frame with slight 86mm 'lobes' on the edges.
70mm x 70mm mounting hole center-spacing with 5.5 dia holes.
30mm long shaft, 25mm is 'double-flat' type, 9.5mm dia, 8.5mm if measuring across the flats.
70lb/in holding torque
2.1 Ohm coil resistance
5.4mH coil inductance
1.25A specified driver current per phase
700gcm² rotor inertia