CSF-20-80-2UH-ULW

Name: CSF-20-80-2UH-ULW
SKU: CSF-20-80-2UH-ULW

Model / article: CSF-20-80-2UH-ULW

CSF-20-80-2UH-ULW is listed by Harmonic Drive LLC in Strain-wave reducers. Published model data includes Rated output torque: 34 Nm (rated); Product mass: 0.45 kg. See the specification table for operating conditions and source evidence.

CSF-2UH-ULW strain-wave reducers

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Product overview

Manufacturer / supplier: Harmonic Drive LLC
Series: CSF-2UH-ULW strain-wave reducers
Component type: Strain-wave reducers
Source: Open published source

Published pricing

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Published specifications

Values are shown as published. Conditions, rating basis and source evidence apply to each value.

Latest source observation: 2026-09-09. Observation dates record evidence collection, not supplier re-verification.

Specifications and source evidence for CSF-20-80-2UH-ULW
Specification	Published value	Conditions and source
Backdriving torqueModel-level statement	4.5 Nm	rule validated Operating conditions ordering code CSF-20-80-2UH-ULW Source evidence CSF-20-80-2UH-ULW \| Backdriving torque: 4.5 Nm CSF-20-80-2UH-ULW / Backdriving torque Source observed: 2026-09-09View source
Gear ratioModel-level statement	80	rule validated Operating conditions ordering code CSF-20-80-2UH-ULW Source evidence CSF-20-80-2UH-ULW \| Ratio: 80 CSF-20-80-2UH-ULW / Ratio Source observed: 2026-09-09View source
Product massModel-level statement	0.45 kg	rule validated Operating conditions ordering code CSF-20-80-2UH-ULW Source evidence CSF-20-80-2UH-ULW \| Mass: 0.45 kg CSF-20-80-2UH-ULW / Mass Source observed: 2026-09-09View source
Moment stiffnessModel-level statement	6.5 10^4 Nm/rad	extracted Operating conditions ordering code CSF-20-80-2UH-ULW Source evidence CSF-20-80-2UH-ULW \| Output moment stiffness: 6.5 10^4 Nm/rad CSF-20-80-2UH-ULW / Output moment stiffness Source observed: 2026-09-09View source
Momentary peak torqueModel-level statement	127 NmRating: peak	extracted Operating conditions ordering code CSF-20-80-2UH-ULW Source evidence CSF-20-80-2UH-ULW \| Limit for momentary peak torque: 127 Nm CSF-20-80-2UH-ULW / Limit for momentary peak torque Source observed: 2026-09-09View source
Positioning accuracyModel-level statement	1 arcmin	rule validated Operating conditions ordering code CSF-20-80-2UH-ULW Source evidence CSF-20-80-2UH-ULW \| Standard accuracy: 1 arcmin CSF-20-80-2UH-ULW / Standard accuracy Source observed: 2026-09-09View source
Rated output torqueModel-level statement	34 NmRating: rated	rule validated Operating conditions ordering code CSF-20-80-2UH-ULW rating basis L10 Source evidence CSF-20-80-2UH-ULW \| Rated torque L10: 34 Nm CSF-20-80-2UH-ULW / Rated torque L10 Source observed: 2026-09-09View source
Repeated peak torqueModel-level statement	74 NmRating: peak	extracted Operating conditions ordering code CSF-20-80-2UH-ULW Source evidence CSF-20-80-2UH-ULW \| Limit for repeated peak torque: 74 Nm CSF-20-80-2UH-ULW / Limit for repeated peak torque Source observed: 2026-09-09View source
Torsional stiffness k1Model-level statement	1.6 10^4 Nm/rad	extracted Operating conditions ordering code CSF-20-80-2UH-ULW Source evidence CSF-20-80-2UH-ULW \| K1 torsional stiffness: 1.6 10^4 Nm/rad CSF-20-80-2UH-ULW / K1 torsional stiffness Source observed: 2026-09-09View source
Torsional stiffness k2Model-level statement	2.5 10^4 Nm/rad	extracted Operating conditions ordering code CSF-20-80-2UH-ULW Source evidence CSF-20-80-2UH-ULW \| K2 torsional stiffness: 2.5 10^4 Nm/rad CSF-20-80-2UH-ULW / K2 torsional stiffness Source observed: 2026-09-09View source
Torsional stiffness k3Model-level statement	2.9 10^4 Nm/rad	extracted Operating conditions ordering code CSF-20-80-2UH-ULW Source evidence CSF-20-80-2UH-ULW \| K3 torsional stiffness: 2.9 10^4 Nm/rad CSF-20-80-2UH-ULW / K3 torsional stiffness Source observed: 2026-09-09View source

Technical documents and resources

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