This extremely quiet stepper is made with ballbearings. 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%.
ElectroCraft TPP11M TorquePower™ Enhanced STEPPER MOTOR
Size Nema 11, 1.8° Holding Torque up to 18 oz-in or 13 Ncm Speed up to 140 RPS