TBM2G Frameless Motors

TBM2G Frameless Motors are Kollmorgen compact brushless torque motors for robotics and embedded motion. They are designed for high torque density, smooth movement, energy efficiency and integration into lightweight rotary mechanisms.

Facts

  • Company: Kollmorgen
  • Type: Frameless Motor
  • Core: Torque density
  • Function: Motion
  • Audience: Robot OEMs
  • Status: Commercial
  • Website: https://www.kollmorgen.com/en-us/products/motors/direct-drive/tbm2g-series-frameless/

Specifications

  • Frame Sizes: Seven frame sizes
  • Supply Voltage: Designed for operation at 48 VDC and below
  • Outer Diameter Range: 50 to 115 mm
  • Continuous Torque At Stall Range: 0.27 to 6.03 Nm across listed frame/winding combinations
  • Rated Speed Range: 2,600 to 8,000 rpm across listed frame/winding combinations
  • Rated Power Range: 0.205 to 1.430 kW across listed frame/winding combinations
  • Thermal Rating: Full performance up to 155 C winding temperature; designed to perform without exceeding 85 C in target applications.
  • Sensor Options: Optional integrated Hall sensors and multiple standard thermal sensor options

Family specifications

  • TBM2G-050xx - Rated Power: 0.205-0.363 kW - Rated Speed: 6,600-8,000 rpm - Inner Diameter: 24.75 mm - Outer Diameter: 50 mm - Continuous Torque At Stall: 0.27-0.64 Nm
  • TBM2G-060xx - Rated Power: 0.329-0.415 kW - Rated Speed: 4,400-8,000 rpm - Inner Diameter: 30 mm - Outer Diameter: 60 mm - Continuous Torque At Stall: 0.45-0.96 Nm
  • TBM2G-068xx - Rated Power: 0.468-0.561 kW - Rated Speed: 3,400-8,000 rpm - Inner Diameter: 34 mm - Outer Diameter: 68 mm - Continuous Torque At Stall: 0.63-1.54 Nm
  • TBM2G-076xx - Rated Power: 0.544-0.601 kW - Rated Speed: 2,800-8,000 rpm - Inner Diameter: 38 mm - Outer Diameter: 76 mm - Continuous Torque At Stall: 0.89-2.06 Nm
  • TBM2G-085xx - Rated Power: 0.650-0.734 kW - Rated Speed: 2,600-7,500 rpm - Inner Diameter: 42.5 mm - Outer Diameter: 85 mm - Continuous Torque At Stall: 1.21-2.69 Nm
  • TBM2G-094xx - Rated Power: 0.860-0.897 kW - Rated Speed: 2,700-8,000 rpm - Inner Diameter: 47 mm - Outer Diameter: 94 mm - Continuous Torque At Stall: 1.58-3.67 Nm
  • TBM2G-115xx - Rated Power: 0.711-1.430 kW - Rated Speed: 3,100-5,800 rpm - Inner Diameter: 57.5 mm - Outer Diameter: 115 mm - Continuous Torque At Stall: 1.90-6.03 Nm

Market context

TBM2G is Kollmorgen's frameless brushless motor family for embedded robot joints, cobots, and compact high-performance motion axes.

  • Target environment: Robot joints, cobots, medical devices, aerospace mechanisms, industrial axes, and custom OEM motion assemblies.
  • Workflow context: Direct-drive or integrated-joint actuation, torque generation, compact motor packaging, thermal design, and OEM drivetrain integration.
  • Customer context: Robot OEMs, actuator suppliers, medical-device builders, aerospace mechanism teams, and precision-motion designers.

View market context