# Nidec FLEXWAVE WPU-63-100-CR High-Torque Strain-Wave Unit

FLEXWAVE high-torque type B2 closed unit, size 63 (HD size-25 class), 100:1.

- Maglev ID: ac-nidec-wpu-63-100-cr
- Brand: Nidec Drive Technology
- MPN: WPU-63-100-CR
- Category: actuators / Strain-Wave (Harmonic) Reducers
- Origin: JP (maker HQ, factory not confirmed)
- Maker: Nidec Drive Technology (formerly Nidec-Shimpo) (brand, JP)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8483.40.50.10
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- No public price. Request a quote via POST /api/rfq or the order pad.

## Specifications
- Ratio: 100:1
- Rated torque: 87 N·m
- Peak torque (repeated / momentary): 204 N·m maximum output / 369 N·m emergency stop
- Backlash: zero backlash (maker claim)
- Outer diameter: 107 mm (dimension D, WPU-CR size 63)
- Hollow shaft: no (closed unit, CR code)

## Links
- Product: https://www.nidec.com/en/products/drive-equipment/reducers/flexwave/gNSCJ-WPU-CG/
- Datasheet: https://www.nidec.com/files/user/www-nidec-com/nidec-drivetechnology/product/download/catalogs_pdf/PowerTransmission_WP/NDTC-FLEXWAVE_WPseries_leaflet_en_41781.pdf
- CAD: none

## Equivalents
- Harmonic Drive CSG-25-100-2UH High-Torque Strain-Wave Gear Unit (ac-harmonicdrive-csg-25-100-2uh)

## Sources
- https://www.nidec.com/en/products/drive-equipment/reducers/flexwave/gNSCJ-WPU-CG/ (product page (WPU closed unit, B2))
- https://www.nidec.com/files/user/www-nidec-com/nidec-drivetechnology/product/download/catalogs_pdf/PowerTransmission_WP/NDTC-FLEXWAVE_WPseries_leaflet_en_41781.pdf (WP leaflet: B2 spec table size 63 ratio 100; WPU-CR dimension table)