Customization is available upon request for this motor series, including but not limited to rated voltage, speed, torque, lead wire specifications, outlet orientation, shaft configuration, encoder/sensor integration, and more. Please provide your specific requirements, and we will offer a tailored solution for you.
Dimensions
| Items | SY135BLW20 | Tolerance |
| Rotor outer diameter D | 135 mm | 0/-0.1 |
| Magnetic ring inner diameter D1 | 131 mm | 0/+0.05 |
| Magnetic ring length L | 28 mm | ±0.2 |
| Rotor bonding dimension L1 | 4.5 mm | ±0.3 |
| Stator inner diameter D2 | 95 mm | 0/+0.05 |
| Stator length L2 | 20 mm | ±0.2 |
| Non‑wiring‑end height E | 3.5 mm | MAX |
| Wiring‑end height F | 7.5 mm | MAX |

Electrical Specifications
| Item | Unit | SY135BLW20‑48V |
| Number of poles | — | 42 |
| Number of phases | — | 3 |
| Rated voltage | VDC | 48 |
| Rated torque | N.m | 8 |
| Rated current | A | 45.2 |
| Rated speed | RPM | 2100 |
| Rated power | W | 1760 |
| Maximum speed | RPM | 2700 |
| Peak torque | N.m | 24 |
| Peak current | A | 135 |
| Line‑to‑line resistance | ohms@20℃ | 0.031 |
| Line‑to‑line inductance | mH | 0.051 |
| Torque constant | N.m/A | 0.186 |
| Back EMF | Vrms/KRPM | 12.4 |
| Motor length | mm | 28 |
| Weight | g | 964 |
| Electrical time constant | ms | 1.65 |
| Color | Type | Functions |
| White (WHT) | UL1332 AWG26 | NTC |
| White (WHT) | UL1332 AWG26 | NTC |
| Yellow | UL1332 AWG24 | Phase U |
| Red | UL1332 AWG24 | Phase V |
| Black | UL1332 AWG24 | Phase W |

