

T Series High-Torque Stepper Motors
The T Series is a set of custom T2 Series stepper motors that are factory-integrated with Kollmorgen Electric Cylinders, Rodless Actuators, and Precision Stages.

Features
- T22: NEMA 23 (60 mm); T31, T32: NEMA 34 (90 mm); T41: NEMA 42 (110mm)
- 1.98 to 8.8 N-m (280 to 1250 oz-in) holding torque
- Speeds up to 3000 rpm meet the velocity demands of most high torque applications
- Available with 25-foot quick-disconnect cable (for T or V windings)
- Available with encoder, 500 and 1000 pulses per revolution with differential line driver
Specifications
T22
T22T | T22V | |
---|---|---|
ELECTRICAL SPECIFICATIONS | ||
Continuous Stall Torque, oz-in (N-m) | 280 (1.98) | |
Recommended Current/Phase, Amps | 0.77 | 1.5 |
Winding Resistance @ Ambient, Ohms | 11.5 | 2.9 |
Inductance, mH | 65.5 | 17 |
Max. Winding Temperature, °F (°C) | 212 (100) | |
MECHANICAL SPECIFICATIONS | ||
Rotor Inertia, oz-in-s2 (kg-m2) | 0.0056 (0.0408 x 10-3) | |
Axial Shaft Load, lbs (N) | 10 (44) | |
Radial Shaft Load, lbs (N) | 15 (66) | |
Motor Weight, lbs (kg) | 2.7 (1.23) | |
Step Angle (Full Step) degrees | 1.8 | |
Bolt Circle Diameter, inches | 2.625 | |
Shaft Length, inches (mm) | 0.81 (20.57) | |
Shaft Diameter, inches (mm) | 0.25 (6.35) | |
Shaft Feature | Flat |
T31
T31T | T31V | |
---|---|---|
ELECTRICAL SPECIFICATIONS | ||
Continuous Stall Torque, oz-in (N-m) | 450 (3.2) | |
Recommended Current/Phase, Amps | 1.4 | 2.8 |
Winding Resistance @ Ambient, Ohms | 6.21 | 1.55 |
Inductance, mH | 50.1 | 12.5 |
Max. Winding Temperature, °F (°C) | 212 (100) | |
MECHANICAL SPECIFICATIONS | ||
Rotor Inertia, oz-in-s2 (kg-m2) | 0.0202 (0.14 x 10-3) | |
Axial Shaft Load, lbs (N) | 305 (1355) | |
Radial Shaft Load, lbs (N) | 65 (285) | |
Motor Weight, lbs (kg) | 5 (2.27) | |
Step Angle (Full Step), degrees | 1.8 | |
Bolt Circle Diameter, inches | 3.875 | |
Shaft Length, inches (mm) | 1.25 (31.75) | |
Shaft Diameter, inches (mm) | 0.375 (9.53) | |
Shaft Feature | Flat |
T32
T32T | T32V | |
---|---|---|
ELECTRICAL SPECIFICATIONS | ||
Continuous Stall Torque, oz-in (N-m) | 920 (6.5) | |
Recommended Current/Phase, Amps | 1.6 | 3.2 |
Winding Resistance @ Ambient, Ohms | 6.44 | 1.61 |
Inductance, mH | 69 | 17 |
Max. Winding Temperature, °F (°C) | 212 (100) | |
MECHANICAL SPECIFICATIONS | ||
Rotor Inertia, oz-in-s2 (kg-m2) | 0.038 (2.7 x 10-4) | |
Axial Shaft Load, lbs (N) | 305 (1355) | |
Radial Shaft Load, lbs (N) | 65 (285) | |
Motor Weight, lbs (kg) | 8.4 (3.81) | |
Step Angle (Full Step), degrees | 1.8 | |
Bolt Circle Diameter, inches | 3.875 | |
Shaft Length, inches (mm) | 1.25 (31.75) | |
Shaft Diameter, inches (mm) | 0.500 (12.70) | |
Shaft Feature | 1/8" Square Key |
T41
T41T | T41V | |
---|---|---|
ELECTRICAL SPECIFICATIONS | ||
Continuous Stall Torque, oz-in (N-m) | 1250 (8.8) | |
Recommended Current/Phase, Amps | 2.8 | 5.6 |
Winding Resistance @ Ambient, Ohms | 2.21 | 0.55 |
Inductance, mH | 36 | 9.1 |
Max. Winding Temperature, °F (°C) | 212 (100) | |
MECHANICAL SPECIFICATIONS | ||
Rotor Inertia, oz-in-s2 (kg-m2) | 0.0783 (5.5 x 10-4) | |
Axial Shaft Load, lbs (N) | 404 (1790) | |
Radial Shaft Load, lbs (N) | 125 (550) | |
Motor Weight, lbs (kg) | 11 (5) | |
Step Angle (Full Step), degrees | 1.8 | |
Bolt Circle Diameter, inches | 4.95 | |
Shaft Length, inches (mm) | 1.88 (47.75) | |
Shaft Diameter, inches (mm) | 0.625 (15.88) | |
Shaft Feature | 3/16" Square Key |
Media & Downloads
Title | File Language | Date | Share URL |
---|---|---|---|
T Series Stepper Motor Specifications en-US | English | |
Share URL /sites/default/files/public_downloads/T_Series_Stepper_Motor_Specifications_en-US_RevA.pdf |
T-and-BK Performance Curves en-US | English | |
Share URL /sites/default/files/public_downloads/T-and-BK_Performance_Curves_en-US_RevA.pdf |
T-Series Data-Sheet en-US | English | |
Share URL /sites/default/files/public_downloads/T-Series_Data-Sheet_en-US_RevA.pdf |
Title | Language | Date | Share URL |
---|---|---|---|
Stepper and Synchronous Motors Catalog EN Rev C | English | Share URLview | |
科尔摩根运动控制及伺服系统解决方案 | Chinese, Simplified | Share URLview |
These 3D models are intended to guide your design activities and may be used as reference information. Be sure to consult a Kollmorgen expert to ensure you have the most current and accurate information for critical aspects of design work.
Title | File Language | Date | Share URL |
---|---|---|---|
ECS Inline T41 Outline Drawing | English | |
Share URL /sites/default/files/public_downloads/ECS-Inline-T41-Outline-Drawing.zip |
ECS Parallel T41 Outline Drawing | English | |
Share URL /sites/default/files/public_downloads/ECS-Parallel-T41-Outline-Drawing.zip |
T22 on EC2 Inline Outline Drawing 2 | English | |
Share URL /sites/default/files/public_downloads/T22-on-EC2-Inline-Outline-Drawing-2.zip |
T22 on EC2 Parallel Outline Drawing 2D | English | |
Share URL /sites/default/files/public_downloads/T22-on-EC2-Parallel-Outline-Drawing-2D.zip |
T22 on N2 Parellel Outline Drawing 2D | English | |
Share URL /sites/default/files/public_downloads/T22-on-N2-Parellel-Outline-Drawing-2D.zip |
T22T Drawing CAD 2D | English | |
Share URL /sites/default/files/public_downloads/T22T-Drawing-CAD-2D.zip |
T22V Drawing CAD 2D | English | |
Share URL /sites/default/files/public_downloads/T22V-Drawing-CAD-2D.zip |
T31 on EC2 Inline Outline Drawing 2D | English | |
Share URL /sites/default/files/public_downloads/T31-on-EC2-Inline-Outline-Drawing-2D.zip |
T31 on EC2 Parallel Outline Drawing 2D | English | |
Share URL /sites/default/files/public_downloads/T31-on-EC2-Parallel-Outline-Drawing-2D.zip |
T31 on N2 Inline Outline Drawing 2D | English | |
Share URL /sites/default/files/public_downloads/T31-on-N2-Inline-Outline-Drawing-2D.zip |
T31 on N2 Parallel Outline Drawing 2D | English | |
Share URL /sites/default/files/public_downloads/T31-on-N2-Parallel-Outline-Drawing-2D.zip |
T31X Drawing CAD 2D | English | |
Share URL /sites/default/files/public_downloads/T31X-Drawing-CAD-2D.zip |
T32X Drawing CAD 2D | English | |
Share URL /sites/default/files/public_downloads/T32X-Drawing-CAD-2D.zip |
T41X Drawing CAD 2D | English | |
Share URL /sites/default/files/public_downloads/T41X-Drawing-CAD-2D.zip |
Title | File Language | Date | Share URL |
---|---|---|---|
Blue Guide | English, German | |
Share URL https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=OJ%3AC%3A2022%3A247%3ATOC |
CEL China Efficiency Labelling for Servo and Stepper Motors | English | |
Share URL /sites/default/files/public_downloads/CEL%20Technical%20Notice%20on%20Efficiency%20for%20Servo%20and%20Stepper%20Motors.pdf |
Kollmorgen CE Technical Notice - Servo and Stepper Motors Efficiency | English | |
Share URL /sites/default/files/public_downloads/Kollmorgen%20CE%20Technical%20Notice%20-%20Servo%20and%20Stepper%20Motors%20Efficiency.pdf |
Support
Trade Compliance | ![]() |
February 21, 2023 |
DC Torquer Old Catalog | ![]() |
May 8, 2018 |
Encoder Installation Instruction for IDC Stepper Motor 802-004 | ![]() |
March 5, 2018 |

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