The BJ42D15 motor is widely used in popular 3D printers:
(Note: model number interpreted as "BJ42D15 26V10" — assumed to reference a bipolar stepper motor variant with 26 V rated voltage and 10 indicating either phase current, winding identifier, or series code. If you have a different exact part number or manufacturer, supply it for pin‑perfect specs. This post assumes reasonable industry conventions for similar motors.)
Need the original PDF datasheet? Contact authorized distributors for the manufacturer’s controlled document—mention this exclusive reference guide for priority access. bj42d15 26v10 stepper motor datasheet exclusive
Best for industrial setups where the motor is used in a standalone control box.
The BJ42D15-26V10 is specifically designed for environments needing significant holding torque without the bulk of larger motors. With approximately 0.4 N.m of torque, it ensures that X/Y carriages can move rapidly without skipping steps, and Z-axes can hold heavy extruders. Optimized Step Precision The BJ42D15 motor is widely used in popular
It's important to clarify: Rather, this model code is most widely recognized as a Creality-customized OEM model , meaning its specifications are closely tied to the manufacturer's ordering customizations. According to manufacturer Keli Motor Group, this motor corresponds to a custom-wound variant with precise torque curve matching for Creality's specific motion controllers.
If you need the (step angle, inductance, detent torque, wiring diagram, etc.), I can help format it into a clean spec sheet. Just let me know. With approximately 0
Based on cross-referencing with similar NEMA 17 hybrids and OEM data, here are the exclusive, consolidated specs for the BJ42D15 26V10.
The model number itself tells us almost everything we need to know about the physical form factor and electrical characteristics of this motor. Let’s decode the nomenclature:
Used for driving belts on machines like the Ender-3, CR-10, and Ender-5. 3D Printer Z-Axis: Used for precise lead screw motion.
Total maximum dissipation (both phases active) = 52 Watts. Given the 220g mass and surface area, the motor will reach a steady-state temperature of approximately after 30 minutes of continuous operation at 26VDC. This is within Class B limits (130°C total), but heatsinking is advised for 24/7 operation.