Rotary Stepper Motors from Johnson Electric


UAG1 20mm UAG2 20mm UAG3 20mm
UCD 28mm UAG4 20mm UCB 28mm
UBD 36mm UBB 36mm UDB 48mm
UP 64mm UHD 59mm URG 13mm
UFB 52mm UFD 52mm
Rotary Stepper Motors Diameter
(mm)
Length
(mm)
Step Angle Holding Torque
cNm (oz-in)
Detent Torque
cNm (oz-in)
Voltage
URG 13 11 18 0.2 (.28) 0.03 (.04) 3-24
UAG1 20 17 18 0.7 (1) 0.14 (.2) 6-24
UAG2 20 17 18 0.5 (.7) 0.14 (.2) 6-24
UAG3 20 17 18 0.56 (.79) >0.06 (.08) 6-24
UAG4 20 17 18 0.42 (.590) >0.06 (.08) 6-24
UCD 28 24 7.5 1.3 (1.8) 0.26 (.37) 6-24
UCB 28 24 15 2.7 (3.8) 0.42 (.6) 6-24
UBD 36 21 7.5 1 (1.4) 0.22 (.31) 3-24
UBB 36 21 15 1.9 (2.7) 0.36 (.51) 3-24
UDB 48 24 15 2.2 (2.8) 0.35 (.5) 3-24
UFD 52 28 7.5 6.4 (9) 0.45 (.64) 4-24
UFB 52 56 15 45.3 (64) 0.8 (1.1) 4-24
UHD 59 35 7.5 13 (18.4) 1.3 (1.8) 4-24
UP 64 43 7.5 30 (42.5) 2 (2.8) 4.5 Chopper Drive

All data at 23+/- 5 degree C ambient temperature and 100% duty cycle.
Optional Product Features include:
Special Motor Shafts; Pinions on shaft; Special cable lengths; Connectors
Rotary Stepper Motors
Design Tools
Stepper Motor Overview
Gearbox Overview
Getting started with Stepper Motor Drivers
Rotary stepper motors are available in eight sizes. They are unirotational motors that can operate in reversible direction (cw = clockwise and ccw = counter clockwise).
Wide range of standard motors with holding torque 0.2 up to 45 cNm
Diameter 13 mm up to 64 mm
Life rating of 25,000 hours
Saia rotational stepper motors are ideal for modulating, mixing or positioning applications. “read more”
Use the selection overview chart below to determine which size offers the desired performance and mechanical specifications. Please refer to the individual specification pages for complete performance and mechanical data.
Specified data for torque values is valid for:
a duty cycle of 100%, in Performance
Charts additionally for 30% (cycle time: 5 min, type URG only 1 min.)
an ambient temperature of 23 ±5¡C
a defined driver circuitry, with constant voltage supply
at rated voltage
Please refer to the individual size specification pages for product approvals. Smaller motors than diameter 28 are made from UL approved materials. Larger motors are UL/CSA approved.
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