TPP11M : ElectroCraft TorquePower™ Plus Stepper Motor

Size: Nema 11, 1.8°
Holding Torque: up to 18 oz-in or 13 Ncm
Speed: up to 140 RPS

Quiet. Durable.
This extremely quiet stepper is made with ball-bearings. Only available in metric configuration, sizes in metric units and has a holding torque up to 18 oz-in with a step angle accuracy of ±5%.