Frame and mounting — 180 mm Asian flange, IP67 sealed
The BEH18MR2913CA6C is a 180 mm flange-size servo motor with a 35 mm shaft, parallel key, and four mounting holes on the Asian standard bolt pattern. Overall dimensions are 172.5 mm width, 180 mm height, and 226.5 mm depth — the depth includes the encoder housing and connector protrusion, so factor that into the enclosure clearance. Rated IP67 means the motor body and connector interface are sealed against dust and temporary immersion — it handles washdown on a food line or coolant splash on a machining center without an extra cover.
Torque and speed — 18.46 Nm continuous, 55.38 Nm peak
Continuous stall torque is 18.46 Nm at 220 V single-phase supply, with a peak stall torque of 55.38 Nm — the 3:1 peak-to-continuous ratio covers acceleration and load transients without oversizing the motor frame. Nominal speed is 1500 rpm, and the maximum mechanical speed is 3000 rpm, so the motor can run up to double base speed in field-weakening range if the drive supports it. Continuous power is 2.9 kW at 220 V. The torque constant is 0.982 Nm/A at 40 °C, and the back EMF constant is 63.98 V/krpm — these numbers tell you the current draw for a given torque and the voltage rise at speed, both needed for drive sizing and bus voltage margin.
Feedback — 23-bit optic multi-turn encoder
The optic multi-turn encoder provides 23 bits per revolution — 8,388,608 counts per turn — plus multi-turn absolute position tracking over multiple shaft revolutions. This resolution suits high-accuracy positioning applications like rotary indexing tables or gantry axes where sub-arcminute repeatability is required.