---
title: "EC frameless 90 flat (260 W) by maxon: specs, torque and price"
description: "Frameless + Driver actuator from maxon (Switzerland). Peak torque 9.8 Nm, rated 1 Nm, weight 814 g, torque density 12 Nm/kg, price quote only."
canonical: https://getactuators.com/actuators/maxon-ec-frameless-90-flat-260w
last-updated: 2026-09-26T20:29:50.000Z
---
# EC frameless 90 flat (260 W) by maxon

> Frameless + Driver actuator from maxon (Switzerland). Peak torque 9.8 Nm, rated 1 Nm, weight 814 g, torque density 12 Nm/kg, price quote only.

## Specifications

| Spec | Value |
| --- | --- |
| Category | Frameless + Driver |
| Peak torque | 9.8 Nm |
| Rated torque | 1 Nm |
| Max speed | 5000 rpm |
| Gear ratio | 1:1 |
| Weight | 814 g |
| Torque density | 12 Nm/kg |
| Price | quote only |
| Price per Nm | n/a |
| Backdrivable | yes |
| Backlash | n/a |
| Voltage | 48 V |
| Peak current | n/a |
| Communication | n/a |
| Control modes | n/a |
| Encoder | None (frameless rotor/stator kit; add own sensor) |
| Integrated driver | no |
| Availability | eol |
| Data status | verified against sources |

## Use cases

- robot arm
- direct drive joint
- cobot

## Notes

Motor. Part 542099, dia 90 mm flat frameless BLDC kit (rotor + stator supplied separately, no bearings/shaft). The maxon product page lists nominal (max continuous) torque 989 mNm (~1 N.m), stall torque 9.76 N.m, weight 814 g, and max speed 5000 rpm; torque constant 136 mNm/A, 11 pole pairs. Suited to gearless direct drive. maxon lists this part as NRND (not recommended for new designs); listed at EUR pricing only so price\_usd left null.

## Sources

- <https://www.maxongroup.com/maxon/view/product/542099>
- <https://datasheets.globalspec.com/ds/maxon-motor-ag/542099/abc9aff5-cce5-4b70-a592-8dbb20e40d6b>
- <https://www.expo21xx.com/news/maxon-brushless-ec-90-flat-motor-with-160-w-or-260-w-of-power/>

## Similar Frameless + Driver actuators

- [TQ-RoboDrive ILM85x26 (TQ-Systems (RoboDrive))](https://getactuators.com/actuators/tq-robodrive-ilm85x26): 14 Nm/kg
- [RI60 KV120 (CubeMars (T-Motor))](https://getactuators.com/actuators/cubemars-ri60-kv120): 10.5 Nm/kg
- [RI80 V2.0 KV75 (CubeMars (T-Motor))](https://getactuators.com/actuators/cubemars-ri80-v2-kv75): 10 Nm/kg
- [R60 KV115 (CubeMars (T-Motor))](https://getactuators.com/actuators/cubemars-r60-kv115): 9.3 Nm/kg
- [iPower GM8112-80T (iPower Motor (iFlight))](https://getactuators.com/actuators/ipower-gm8112-80t): 2.1 Nm/kg

## Machine-readable

- JSON: https://getactuators.com/api/v1/actuators/maxon-ec-frameless-90-flat-260w
- Catalog index for agents: https://getactuators.com/llms.txt