Product overviewThe CWFL05720-05530NW48-S000 is a φ57 mm frameless torque motor kit delivering 0.55 N·m rated torque and 1.65 N·m peak torque at 3000 RPM on 48 VDC. The 10-pole 3-phase PMSM design balances torque density and dynamic response, suitable for collaborative robot elbow joints, gimbal actuators, and precision rotary axes.
KEY HIGHLIGHTS- φ57 mm stator OD for mid-range torque applications
- 0.55 N·m rated / 1.65 N·m peak torque at 3000 RPM on 48 VDC
- 10-pole 3-phase PMSM with sinusoidal back-EMF for smooth FOC control
- Class F insulation (155 °C); optional Hall sensor + temperature sensor
- Custom stator stack, bore ID, and winding — no MOQ
Quick specsRated Voltage — 48 VDC
Rated Torque — 0.55 N·m
Peak Torque — 1.65 N·m
Rated Speed — 3000 RPM
Rated Power — 173 W
Stator OD — φ57 mm
Electrical Specifications (48 VDC)Parameter — Value
Model — CWFL05720-05530NW48-S000
Rated Voltage — 48 VDC
Rated Current — 5.3 A
Peak Current (Instantaneous) — 15.9 A
Rated Output Power — 173 W
Rated Speed — 3000 RPM
Rated Torque — 0.55 N·m
Peak Torque (Instantaneous) — 1.65 N·m
Back-EMF Constant (Ke) — 7.2 Vrms/krpm
Torque Constant (Kt) — 0.1036 N·m/A
Rotor Inertia — 4.76 × 10⁻⁶ kg·m²
Poles — 10
Insulation Class — F (155 °C)
Weight — 0.28 kg
Operating Environment — −20 °C to +40 °C; Humidity ≤ 90% RH
Dimensional ParametersParameter — Value
Ls (Stator Stack Length) — 19.6 mm
Lr (Rotor Length) — 22.6 mm
ØD (Stator OD) — 57 mm
Ød (Bore ID, H7) — 20 mm
ØA min — 33.4 mm
ØB max — 53.5 mm
ØC max (both ends) — 56 mm
E max — 5.9 mm
F max — 9.9 mm
Wiring & Sensor OptionsParameter — Value
Power Leads — 3 wires (U/V/W), L = 200 mm, TEFLON insulation; U — Red, V — White, W — Black
Hall Sensor (optional) — 5 wires: Vcc, GND, HA (Green), HB (Blue), HC (White) — L = 200 mm, TEFLON
Temperature Sensor (optional) — 2 wires: + (Orange), − (Yellow) — L = 200 mm, TEFLON
Bearing — Not included — host structure provides bearing
Available Voltage Configurations12 VDC — CWFL05720-05530NW12-S000: 12 V winding parameters available
24 VDC — CWFL05720-05530NW24-S000: 24 V winding parameters available
48 VDC — CWFL05720-05530NW48-S000: 5.3 A rated, 15.9 A peak, Ke = 7.2 Vrms/krpm, Kt = 0.1036 N·m/A
Drawings & performance chartsDimensional drawing and torque-speed characteristic charts are provided for mechanical integration and performance reference.
Technical specifications- Model: CWFL05720-05530NW48-S000
- Series: CWFL φ57mm
- Rated voltage: 48 VDC
- Rated torque: 0.55 N·m
- Peak torque: 1.65 N·m
- Rated speed: 3000 RPM
- Rated power: 173 W
- Rated current: 5.3 A (48 V config)
- Peak current (instantaneous): 15.9 A
- Back-EMF constant Ke: 7.2 Vrms/krpm
- Torque constant Kt: 0.1036 N·m/A
- Poles: 10 (10-pole 3-phase PMSM)
- Rotor inertia: 4.76 × 10⁻⁶ kg·m²
- Stator OD: 57 mm
- Bore ID (Ød, H7): 20 mm
- Stator stack length (Ls): 19.6 mm; Rotor length (Lr): 22.6 mm
- Weight: 0.28 kg
- Insulation class: F (155 °C)
- Optional sensors: Hall sensor (5-wire), Temperature sensor (2-wire)
- Power leads: U/V/W, TEFLON, 200 mm
- Operating environment: −20 °C to +40 °C; Humidity ≤ 90% RH