HARDWARE / PRODUCTAdded 23 Aug 2026

CSD-2UF Gear Unit

Harmonic Drive
CSD-2UF Gear Unit

The CSD-2UF is a zero-backlash gear unit available in 6 sizes with ratios from 50:1 to 100:1, offering peak torques from 12 to 450 Nm.

Key figurescomparable across the catalogue

Mass
0.5 kg

Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.

As published by the supplier

Rated Torque L10
3.7 Nm
Limit for Repeated Peak Torque
12 Nm
Limit for Momentary Peak Torque
24 Nm
Backdriving Torque
2.5 Nm
Standard Accuracy
1.5 arc min
Mass
0.5 kg
K1 Torsional Stiffness
0.29 10^4 Nm / rad
K2 Torsional Stiffness
0.37 10^4 Nm / rad
K3 Torsional Stiffness
0.47 10^4 Nm / rad
Output Moment Stiffness (Km)
12.8 10^4 Nm / rad

About

The CSD-2UF Gear Unit from Harmonic Drive is a high-performance, zero-backlash gear designed for precision applications. It features a hollow shaft construction, allowing for flexible integration into various systems. This gear unit boasts a high load capacity, making it suitable for demanding environments. Its lightweight and ultra-flat design contribute to its compact form factor, simplifying integration into space-constrained applications. The CSD-2UF is available in six different sizes, offering a range of ratios from 50:1 to 100:1, and can handle peak torques between 12 and 450 Nm. Key features include zero backlash, hollow shaft construction, high load capacity, lightweight design, ultra-flat profile, and a compact and simple design. This product is ideal for applications requiring precise motion control and high torque density in a small package.

Documentation

Need the full ICD, test reports or a specific revision? Ask the supplier directly.

Source: www.harmonicdrive.net ↗

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