®Gearbox replacement
SEW Replacement Gearbox
Dimensional-validated alternative from CHINFAR
CHINFAR offers dimensional replacement alternatives for SEW-Eurodrive R, F, K, S helical, helical-bevel and helical-worm gear units, plus worm gearboxes (NMRV/WP), cycloidal pin-wheel (X/B), planetary (P), and heavy industrial gearboxes (HB, DCY). Our engineering team validates shaft height, mounting interface and bolt pattern against your original SEW model before quotation.
Compatible CHINFAR series
| CHINFAR Series | SEW Compatible Series | Drive type |
|---|---|---|
| R Series | SEW R / RX / R..7 | Helical inline |
| F Series | SEW F / FA / FH..7 | Parallel shaft |
| K Series | SEW K / KA / KH..7 | Helical-bevel |
| S Series | SEW S / SA / SH..7 | Helical-worm |
| NMRV / WP Series | SEW WF / W (cast-iron) | Worm |
| P Series | SEW P / PSF planetary | Planetary |
Why choose CHINFAR as replacement
- Engineering-validated dimensional match, full multilingual documentation (6 languages), shorter lead time on standard sizes, project-based engineering review.
- Replacement scenarios: existing SEW unit out of warranty, urgent spare parts need, cost-downgrade on a new line, second-source qualification for a project.
Request a quote for replacement
Provide the competitor model number and your operating parameters (motor power, input speed, output speed/torque, mounting configuration). Our engineering team will validate the dimensional match and return a confirmed offer within 1-2 business days.
Submit inquiry