This 1.8 degree size 23 hybrid DC stepping motor is totally enclosed with permanently lubricated ball bearings. The bi-directional size 23 has holding torque up to 240 oz-in with a step angle accuracy of ±3%.
ElectroCraft TPP23 TorquePower™ Enhanced STEPPER MOTOR
Size Nema 23, 1.8° Holding Torque up to 240 oz-in or 169 Ncm Speed up to 90 RPS