Kollmorgen KBM Series Frameless Direct-Drive Motors
Vendor: Kollmorgen
Product: KBM Series Frameless Motor
The KBM series embeds directly into the machine with fully encapsulated stators and a through-bore rotor supported by the machine's own bearings, eliminating couplings and gearboxes; 14 frames across servo (10-45) and torquer (43-260) form factors, 120-480 Vac, peak stall torque up to 12,812 N·m, widely used in humanoid/cobot joints, gimbals and precision rotary tables.
| Voltage | 120 - 480 Vac |
| Frame Sizes | 14 (servo 10/14/17/25/35/45; torquer 43/57/60/79/88/118/163/260) |
| Through Bore | 16.01 - 557.85 mm |
| Winding Rating | 155°C continuous, PTC thermistor protection |
| Outside Diameter | 59.96 - 850.0 mm |
| Continuous Output | 0.55 - 20.1 kW |
| Peak Stall Torque | 1.17 - 12,812 N·m |
| Continuous Stall Torque | 0.49 - 3,445 N·m |