When ordering the BJ42D15 26V10, especially from non-franchised distributors, perform these three quick verifications:
Useful for PCB milling or light engraving. Why Choose This Motor? Balance of Power and Speed: The rating allows for lower heat generation compared to + motors, while offering ample torque for frame applications.
Understanding the naming convention is the first step to unlocking its specifications, as different versions cater to different electrical requirements. The model number BJ42D15-26V10 breaks down as follows:
The motor follows the NEMA 17 standard mounting pattern, making it compatible with most universal brackets and extrusions. 42mm x 42mm Body Length: 34mm (excluding shaft) Shaft Diameter: 5.0mm (usually D-cut for pulley stability) Shaft Length: 20mm - 24mm (typical) Mounting Holes: 4 x M3 threaded holes Wiring and Phase Configuration bj42d15 26v10 stepper motor datasheet verified
BJ42D15-26V10 Stepper Motor Datasheet Verified: A Comprehensive Guide
Comprehensive Guide to the BJ42D15-26V10 Stepper Motor: Verified Datasheet & Technical Specifications
| Parameter | Value | Verification Method | |-----------|-------|----------------------| | Model | BJ42D15 26V10 | Label inspection | | Phase | 2 | Electrical continuity | | Step Angle | 1.8° ± 5% | Oscilloscope / encoder | | Number of Leads | 4 | Visual | | Rated Voltage | 26 V DC | Power supply test | | Rated Current per Phase | 1.0 A | Current probe | | Winding Resistance | 26 Ω ± 10% @ 20°C | 4-wire ohmmeter | | Winding Inductance | 28 mH ± 20% @ 1 kHz | LCR meter | | Holding Torque | 0.42 N·m (59.5 oz·in) | Torque sensor (at 1.0 A) | | Detent Torque | 0.022 N·m (3.1 oz·in) | Torque wrench method | | Rotor Inertia | 54 g·cm² (0.54 × 10⁻⁵ kg·m²) | Calculated from acceleration | | Mass | 0.35 kg (12.3 oz) | Precision scale | | Body Length | 39.5 mm (excluding shaft) | Digital caliper | | Shaft Diameter | 5 mm | Micrometer | | Shaft Length | 24 mm | Caliper | | Max Radial Load | 28 N (5 mm from face) | Static load test | | Max Axial Load | 10 N (push/pull) | Force gauge | | Insulation Class | Class B (130°C) | Thermal camera | | Dielectric Strength | 500 VAC for 1 minute | Hipot tester | | Insulation Resistance | >100 MΩ @ 500 VDC | Megohmmeter | Understanding the naming convention is the first step
Based on verified manufacturer data and community teardowns, the motor features a 1.8° step angle (200 steps per revolution). Rated Current per phase.
Based on aggregated data from manufacturer information and verified applications, the BJ42D15-26V10 specifications fall within the following ranges:
Works with standard A4988 or TMC2208/TMC2209 drivers found in most 3D printer mainboards. Creality Ender 3 Stock Factory Vref · GitHub Rated Current per phase
for a specific stepper driver (like the A4988 or TMC2209) using these 0.84A specs?
It is a bipolar stepper motor with 4 wires. The standard wiring pinout for this type of motor is as follows:
The BJ42D15-26V10 is distinct for two reasons:
The "42-34" label often found on the back of these motors indicates the frame width (42mm) and the motor body length (34mm) [9]. The "BJ" prefix indicates the manufacturer (typically or a similar high-volume OEM for Creality).