0.79 in. (20 mm) NEMA 8 PK Series 5-Phase Stepper Motors

The high-torque PK/PKP series stepper motor offers balanced performance enhanced by high torque, low vibration and low noise.

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Gear Type

Taper Hobbed, Low Backlash (up to 45 arc min), Offset Shaft
Planetary, Low Backlash (up to 35 arc min), Centered Shaft
Planetary, Non Backlash (3 arc min), Centered Shaft
Harmonic, Non Backlash (0 arc min), Centered Shaft
No Gearhead

Shaft

Single
Double

Item #	Frame Size	Basic Step Angle	Speed-Torque Characteristics	Holding Torque	Current per Phase	Shaft/Gear Type	Gear Ratio (X:1)	Encoder Output	Shaft	Add To Cart / Contact Sales

PK513PA	- 0.79 in20 mm	- 0.72º	Speed-Torque Characteristics	- 3.2 oz-in0.0231 N·m	- 0.35 A/phase	- Round Shaft (No Gearhead)	-	-	- Single	Add To Cart Request Quote
PK513PB	- 0.79 in20 mm	- 0.72º	Speed-Torque Characteristics	- 3.2 oz-in0.0231 N·m	- 0.35 A/phase	- Round Shaft (No Gearhead)	-	-	- Double	Add To Cart Request Quote
PK513PA-H50S	- 0.79 in20 mm	- 0.72º	Speed-Torque Characteristics	- 56 oz-in0.4 N·m	- 0.35 A/phase	- Harmonic Gear	- 50 :1	-	- Single	Add To Cart Request Quote
PK513PB-H50S	- 0.79 in20 mm	- 0.72º	Speed-Torque Characteristics	- 56 oz-in0.4 N·m	- 0.35 A/phase	- Harmonic Gear	- 50 :1	-	- Double	Add To Cart Request Quote
PK513PA-H100S	- 0.79 in20 mm	- 0.72º	Speed-Torque Characteristics	- 85 oz-in0.6 N·m	- 0.35 A/phase	- Harmonic Gear	- 100 :1	-	- Single	Add To Cart Request Quote
PK513PB-H100S	- 0.79 in20 mm	- 0.72º	Speed-Torque Characteristics	- 85 oz-in0.6 N·m	- 0.35 A/phase	- Harmonic Gear	- 100 :1	-	- Double	Add To Cart Request Quote
PK523PA	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 6.8 oz-in0.048 N·m	- 0.35 A/phase	- Round Shaft (No Gearhead)	-	-	- Single	Add To Cart Request Quote
PK523PA-N10	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 56 oz-in0.4 N·m	- 0.35 A/phase	- Planetary Gear	- 10 :1	-	- Single	Add To Cart Request Quote
PK523PA-N5	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 28 oz-in0.2 N·m	- 0.35 A/phase	- Planetary Gear	- 5 :1	-	- Single	Add To Cart Request Quote
PK523PA-N7.2	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 42 oz-in0.3 N·m	- 0.35 A/phase	- Planetary Gear	- 7.2 :1	-	- Single	Add To Cart Request Quote
PK523PA-T10	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 42 oz-in0.3 N·m	- 0.35 A/phase	- Taper Hobbed Gear	- 10 :1	-	- Single	Add To Cart Request Quote
PK523PA-T20	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 56 oz-in0.4 N·m	- 0.35 A/phase	- Taper Hobbed Gear	- 20 :1	-	- Single	Add To Cart Request Quote
PK523PA-T30	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 71 oz-in0.5 N·m	- 0.35 A/phase	- Taper Hobbed Gear	- 30 :1	-	- Single	Add To Cart Request Quote
PK523PA-T7.2	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 28 oz-in0.2 N·m	- 0.35 A/phase	- Taper Hobbed Gear	- 7.2 :1	-	- Single	Add To Cart Request Quote
PK523PB	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 6.8 oz-in0.048 N·m	- 0.35 A/phase	- Round Shaft (No Gearhead)	-	-	- Double	Add To Cart Request Quote
PK523PB-N10	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 56 oz-in0.4 N·m	- 0.35 A/phase	- Planetary Gear	- 10 :1	-	- Double	Add To Cart Request Quote
PK523PB-N5	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 28 oz-in0.2 N·m	- 0.35 A/phase	- Planetary Gear	- 5 :1	-	- Double	Add To Cart Request Quote
PK523PB-N7.2	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 42 oz-in0.3 N·m	- 0.35 A/phase	- Planetary Gear	- 7.2 :1	-	- Double	Add To Cart Request Quote
PK523PB-T10	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 42 oz-in0.3 N·m	- 0.35 A/phase	- Taper Hobbed Gear	- 10 :1	-	- Double	Add To Cart Request Quote
PK523PB-T20	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 56 oz-in0.4 N·m	- 0.35 A/phase	- Taper Hobbed Gear	- 20 :1	-	- Double	Add To Cart Request Quote
PK523PB-T30	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 71 oz-in0.5 N·m	- 0.35 A/phase	- Taper Hobbed Gear	- 30 :1	-	- Double	Add To Cart Request Quote
PK523PB-T7.2	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 28 oz-in0.2 N·m	- 0.35 A/phase	- Taper Hobbed Gear	- 7.2 :1	-	- Double	Add To Cart Request Quote
PK525PA	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 11 oz-in0.078 N·m	- 0.35 A/phase	- Round Shaft (No Gearhead)	-	-	- Single	Add To Cart Request Quote
PK525PB	- 1.1 in28 mm	- 0.72º	Speed-Torque Characteristics	- 11 oz-in0.078 N·m	- 0.35 A/phase	- Round Shaft (No Gearhead)	-	-	- Double	Add To Cart Request Quote
PK523PMA	- 1.1 in28 mm	- 0.36º	Speed-Torque Characteristics	- 5.9 oz-in0.042 N·m	- 0.35 A/phase	- Round Shaft (No Gearhead)	-	-	- Single	Add To Cart Request Quote