Harmonic Drive SHF-2A Hollow-Shaft Component Sets

SHF-2A is a silk-hat strain-wave gearing component set with an outward-opening flexspline brim and a large through hole. Its three basic elements—wave generator, flexspline and circular spline—are intended for direct integration into customer machinery. This component-level construction is distinct from SHF housed gear units, input-shaft gear units and simplicity units that supply a defined output-bearing arrangement.
Key Specifications
Core elements | Wave generator, silk-hat flexspline and circular spline |
Distinctive geometry | Outward-opening flexspline brim provides mounting surface around a through hole |
Supplied scope | Gearing component set; customer housing and machine-load output support |
Family ratio scope | 30:1 to 160:1; exact available ratios depend on size |
SHF-14-30-2A-R | 4 Nm rated L10; 9 Nm repeated peak; 17 Nm momentary peak; 0.11 kg |
SHF-14-30 accuracy | 2 arcmin standard accuracy in current table |
SHF-20-100-2A-GR | 40 Nm rated L10; 82 Nm repeated peak; 147 Nm momentary peak; 0.31 kg |
SHF-20-100 accuracy | 1 arcmin standard accuracy in current table |
SHF-25-100-2A-GR | 67 Nm rated L10; 157 Nm repeated peak; 284 Nm momentary peak; 0.48 kg |
Drive scope | External motor, feedback and servo drive |
Price | Request a quote for full code, mounting and lubrication requirements |
Applications and Industries
Custom hollow-shaft rotary axes, coaxial mechanisms and integrated precision machinery
Industrial automation
Review Summary
Consider SHF-2A when the through-bore layout and brim mounting surface fit a custom rotary axis, and the OEM can engineer housing, output support and precision assembly. Select the exact size and ratio from its duty data. Zero backlash and a hollow center are useful features, but neither establishes complete-axis accuracy, unlimited cable rotation or machine safety.
Price and Configuration
Request a quote for the selected configuration,quantity and delivery schedule. Confirm the exact model,options,integration scope and support terms.



















