R65GEBA-R2-NS-NV-00 Pacific Scientific
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The Pacific Scientific R65GEBA-R2-NS-NV-00 is a servo motor from the R Servomotors series with a continuous stall torque of 13.6 Nm and a peak torque of 33.3 Nm. It features a frame size of 5.75 inches square, standard winding type, and a holding brake rated at 100V DC. The motor uses a rare earth samarium cobalt magnet material along with a frameless resolver as primary feedback.
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Product Description:
The R65GEBA-R2-NS-NV-00 is a brushless servo motor manufactured by Pacific Scientific for the R Servomotors series. It serves as a rotary actuator in industrial automation systems that require precise velocity and torque regulation for indexing conveyors, pick-and-place heads, and coordinated multi-axis assemblies. Its standard housing style and English mounting pattern allow direct installation on many North American machines without adapters. The brushless design supports continuous closed-loop operation at the setpoints commanded by the drive.
The motor delivers a continuous stall torque of 13.6 Nm, enabling steady load support without thermal overload, and it can produce a peak torque of 33.3 Nm during short acceleration periods. At its rated speed of 2000 rpm, the motor supports moderate-speed positioning and velocity-control applications. A rotor inertia of 1.26 × 10⁻³ kg·m² balances rapid response with controlled deceleration, which helps the drive regulate velocity and position. A 100 V dc brake locks the shaft when power is removed, maintaining the axis position in vertical or safety-related applications. The motor uses rare-earth samarium cobalt magnets, which provide strong magnetic flux and retain their magnetic properties at elevated temperatures. Its 5-inch stack length and standard winding type help keep the thermal rise within permissible limits during continuous operation.
A frame measuring 5.75 inches square provides the torsional rigidity needed for gear or pulley loading. Primary feedback comes from a transmitter-style, size 21 frameless resolver that supplies rotor position information for commutation and closed-loop control. No secondary feedback device is fitted, which reduces the number of feedback conductors while placing commutation and servo control on the resolver channel. The motor has no shaft seal, so it should be installed where the shaft opening will not be exposed to coolant spray, oil immersion, or similar contaminants. A conventional shaft extension transfers torque to a coupling, pulley, or gearbox, while the mounting flange maintains alignment with the connected machine assembly.
