26mm Outer Rotor Frameless Torque Motor TSL-BLDC-WK2205

♦ Basic Info:

♦ Typical Applications:

  • Humanoid Robot Actuator Joints
  • Surgical Robotic Articulating Instruments
  • Exoskeleton Finger Actuator Modules
  • Hollow-Shaft Miniature Gimbal Systems
  • Micro LiDAR Optical Scanners

Small Frameless Brushless DC Motor Datasheet

Elevate your precision joints with our 12g outer rotor frameless brushless dc motor. Featuring a large 9mm hollow center for seamless cable and optical routing, its housingless design integrates directly into your mechanics—maximizing power density while minimizing your footprint.

This premium frameless brushless dc motor delivers a stable 800 RPM rated speed at 12V. Engineered with 7 pole pairs and low rotor inertia (6.00 g.cm²), this compact framless brushless dc motor kit provides smooth, dynamic response and high thermal efficiency for custom embedded servo loops.

Motor Model: TSL-BLDC-WK2205
Parameter Unit WK2205CP (Magnetic Plate) WK2205CH (Magnetic Ring)
Nominal voltage V 12 12
Nominal current A 0.66 0.66
Nominal torque N.M 0.04 0.02
Nominal speed rpm 792 792
Max speed rpm 5630 5630
Stall torque N.M 0.12 0.06
Stall current A 1 1
Winding turns of motor T 65 65
Interphase resistance Ω 7.4 7.4
Interphase inductance Mh 1.68 1.68
Speed constant rpm/v 469 469
Torque constant N.M/A 0.12 0.06
Rotor inertia gcm^2 9 5
Number of pole pairs Pairs 7 7
Working temperature °C -20~80 -20~80
Max demagnetize temperature °C 120 120
Inner diameter of the stator mm 10 10
Motor size mm Ø26.3*9 Ø25.3*6.2
Motor weight g 14 12

💕The frameless brushless dc motor’s technical specifications are for guidance,we offer custom solutions upon request.

⇒Unit Coversion: 1 g·cm ≈ 0.098 mN·m ≈ 0.014 oz·in;1 mm ≈ 0.039 in;1 g ≈ 0.035 oz1

WK2205 Magnetic Plate Version – Dimension Drawing

Unless otherwise stated, all dimensions are in millimeters.

2D mechanical dimension drawing of the TSL-BLDC-WK2205 magnetic plate version frameless motor

WK2205 Magnetic Ring Version – Dimension Drawing

Unless otherwise stated, all dimensions are in millimeters.

Technical size specifications drawing of the TSL-BLDC-WK2205CH magnetic ring version torque motor

Development Samples:

If you need samples, please contact us.

Engineering & Manufacturing:

Contact any or the Sales Engineers for a quotation for production or consultation on the integration and customization of your product.

Payment:
1.Payment methods : Paypal, T/T

Shipping:
1.Delivery: DHL/FedEx 3-5 days.

2.Item will be shipped within 1-3 business days after the payment.

3.If you haven’t received the item on the Delivery Time, pls contact us by email if you have any questions. Normally, we will give you a reply within 24 hours, if not, pls check the spam of your email box. We will do our best to help you solve the problems.

4.Please make sure your address is matched with the finally shipping address before you pay.

FAQ for Frameless Torque Motor

Q:What is frameless torque motor?

A:A frameless torque motor is a direct‑drive brushless motor without an outer housing or bearings.It consists only of a stator and rotor, designed to be built directly into the machine structure.This design delivers very high torque density, excellent responsiveness, and zero backlash for precision motion systems.

If you want a video to explain the principle of Brushless DC motor, you can click on this link:https://www.youtube.com/watch?v=1AaUK6pT_cE

Q:Can framless torque motor Be Customized?

A: Yes,frameless torque motor can be customized. TSL Motors, a top manufacturer, offers options to adjust torque, speed, and voltage. This ensures the motor meets the specific needs of your application.

Q: How do I place an order?

A: Send us an inquiry and we will send you a quote – make arrangements – confirm the sample – sign the contract/deposit mass production – delivery ready for delivery. Balance/delivery

Tap:If you request a quotation for mass production quantities, contact us for customizations and integration. 

Motor Customization Guide

Please tell us your requirements. Our engineers will give you the best solution for your application.

✅Collaborate with Specialists

Our engineering team brings decades of motor technology expertise to every project.

✅Seamless Global Partnership

Communicating with us is a breeze.

We’ll adapt to your time zone, making sure that information and ideas are exchanged promptly.

Right from the start, you can rest assured that your thoughts are fully grasped.

✅Lifelong Technical Alliance

We’re not the type to just give you a solution and then disappear. We’ll be with you every step of the way during the project, and even after it’s done. You can count on us to always have your back.

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