1.65 in. (42 mm) NEMA 17 PK Series 5-Phase Stepper Motors On Oriental Motor 2

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

1.65 in. (42 mm) Frame Size
5-Phase, New Pentagon (0.36° / 0.72°)
Single or Double Shaft
Encoder and Brake Types Available
Max. Holding Torque

Round Shaft Type = 59 oz-in (0.42 N·m)
Geared Type = 44 lb-in (5 N·m)

Item #	Frame Size	Basic Step Angle	Speed-Torque Characteristics	Holding Torque	Current per Phase	Shaft/Gear Type	Gear Ratio (X:1)	Encoder Output	Electromagnetic Brake	Shaft	Web Price
PK545NAW-R17	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 34 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R TTL 2-Channel	- Not Equipped	- Single	- $141.00
PK545NAW-R18	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 34 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R TTL 2-Channel	- Not Equipped	- Single	- $151.00
PK545NAW-R27	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 34 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R TTL 3-Channel	- Not Equipped	- Single	- $151.00
PK545NAW-R28	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 34 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R TTL 3-Channel	- Not Equipped	- Single	- $151.00
PK546PA-R17	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 59 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R TTL 2-Channel	- Not Equipped	- Single	- $152.00
PK546PA-R18	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 59 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R TTL 2-Channel	- Not Equipped	- Single	- $162.00
PK546PA-R27	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 59 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R TTL 3-Channel	- Not Equipped	- Single	- $162.00
PK546PA-R28	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 59 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R TTL 3-Channel	- Not Equipped	- Single	- $162.00
PK543NAW-R27L	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 18.4 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R Differential, 3-Channel	- Not Equipped	- Single	- $153.00
PK544NAW-R27L	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 25 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R Differential, 3-Channel	- Not Equipped	- Single	- $154.00
PK545NAW-R27L	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 34 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R Differential, 3-Channel	- Not Equipped	- Single	- $161.00
PK544PMA-R28L	- 1.65 in	- 0.36°	Speed-Torque Characteristics	- 34 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R Differential, 3-Channel	- Not Equipped	- Single	- $172.00
PK546PMA-R28L	- 1.65 in	- 0.36°	Speed-Torque Characteristics	- 59 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R Differential, 3-Channel	- Not Equipped	- Single	- $182.00
PK544PA-R27L	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 34 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R Differential, 3-Channel	- Not Equipped	- Single	- $162.00
PK546PA-R27L	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 59 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R Differential, 3-Channel	- Not Equipped	- Single	- $172.00
PK543NAW-R17	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 18.4 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R TTL 2-Channel	- Not Equipped	- Single	- $133.00
PK543NAW-R18	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 18.4 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R TTL 2-Channel	- Not Equipped	- Single	- $143.00
PK543NAW-R27	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 18.4 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R TTL 3-Channel	- Not Equipped	- Single	- $143.00
PK543NAW-R28	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 18.4 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R TTL 3-Channel	- Not Equipped	- Single	- $143.00
PK544NAW-R17	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 25 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R TTL 2-Channel	- Not Equipped	- Single	- $134.00
PK544NAW-R18	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 25 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R TTL 2-Channel	- Not Equipped	- Single	- $144.00
PK544NAW-R27	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 25 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R TTL 3-Channel	- Not Equipped	- Single	- $144.00
PK544NAW-R28	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 25 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R TTL 3-Channel	- Not Equipped	- Single	- $144.00
PK544PA-R17	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 34 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 500 P/R TTL 2-Channel	- Not Equipped	- Single	- $142.00
PK544PA-R18	- 1.65 in	- 0.72°	Speed-Torque Characteristics	- 34 oz-in	- 0.75 A/phase	- Round Shaft (No Gearhead)	-	- 1000 P/R TTL 2-Channel	- Not Equipped	- Single	- $152.00

Item #

Frame Size

Basic Step Angle

Speed-Torque Characteristics

Holding Torque

Current per Phase

Shaft/Gear Type

Gear Ratio (X:1)

Encoder Output

Electromagnetic Brake

Shaft

Web Price

PK545NAW-R17

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 34 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R TTL 2-Channel

- Not Equipped

- Single

- $141.00

PK545NAW-R18

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 34 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R TTL 2-Channel

- Not Equipped

- Single

- $151.00

PK545NAW-R27

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 34 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R TTL 3-Channel

- Not Equipped

- Single

- $151.00

PK545NAW-R28

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 34 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R TTL 3-Channel

- Not Equipped

- Single

- $151.00

PK546PA-R17

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 59 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R TTL 2-Channel

- Not Equipped

- Single

- $152.00

PK546PA-R18

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 59 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R TTL 2-Channel

- Not Equipped

- Single

- $162.00

PK546PA-R27

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 59 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R TTL 3-Channel

- Not Equipped

- Single

- $162.00

PK546PA-R28

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 59 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R TTL 3-Channel

- Not Equipped

- Single

- $162.00

PK543NAW-R27L

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 18.4 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R Differential, 3-Channel

- Not Equipped

- Single

- $153.00

PK544NAW-R27L

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 25 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R Differential, 3-Channel

- Not Equipped

- Single

- $154.00

PK545NAW-R27L

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 34 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R Differential, 3-Channel

- Not Equipped

- Single

- $161.00

PK544PMA-R28L

- 1.65 in

- 0.36°

Speed-Torque Characteristics

- 34 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R Differential, 3-Channel

- Not Equipped

- Single

- $172.00

PK546PMA-R28L

- 1.65 in

- 0.36°

Speed-Torque Characteristics

- 59 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R Differential, 3-Channel

- Not Equipped

- Single

- $182.00

PK544PA-R27L

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 34 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R Differential, 3-Channel

- Not Equipped

- Single

- $162.00

PK546PA-R27L

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 59 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R Differential, 3-Channel

- Not Equipped

- Single

- $172.00

PK543NAW-R17

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 18.4 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R TTL 2-Channel

- Not Equipped

- Single

- $133.00

PK543NAW-R18

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 18.4 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R TTL 2-Channel

- Not Equipped

- Single

- $143.00

PK543NAW-R27

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 18.4 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R TTL 3-Channel

- Not Equipped

- Single

- $143.00

PK543NAW-R28

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 18.4 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R TTL 3-Channel

- Not Equipped

- Single

- $143.00

PK544NAW-R17

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 25 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R TTL 2-Channel

- Not Equipped

- Single

- $134.00

PK544NAW-R18

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 25 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R TTL 2-Channel

- Not Equipped

- Single

- $144.00

PK544NAW-R27

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 25 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R TTL 3-Channel

- Not Equipped

- Single

- $144.00

PK544NAW-R28

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 25 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R TTL 3-Channel

- Not Equipped

- Single

- $144.00

PK544PA-R17

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 34 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 500 P/R TTL 2-Channel

- Not Equipped

- Single

- $142.00

PK544PA-R18

- 1.65 in

- 0.72°

Speed-Torque Characteristics

- 34 oz-in

- 0.75 A/phase

- Round Shaft (No Gearhead)

- 1000 P/R TTL 2-Channel

- Not Equipped

- Single

- $152.00