SINOTUP TF55 Micro Cycloidal Reducer
SINOTUP · MPN TF55 · Maglev ID ac-sinotup-tf55
CN Maker in China, factory not confirmed unknown REPORTED
Chinese TwinSpin-style micro cycloidal reducer for humanoid and arm joints; 82 N·m rated, 0.8 kg.
Specifications
| Ratio | Axis rotation 21-81 (store: 11/31/51/91) |
|---|---|
| Rated output torque | 82 N·m |
| Max. accel./decel. torque | 162 N·m (emergency stop 240 N·m) |
| Backlash class | P0-P2 (values not stated) |
| Outer diameter (housing flange) | Ø70 mm |
| Hollow shaft | unknown |
| Mass | 0.8 kg |
| Overall axial length | 34.5 mm |
| Input bore (keyed H7 bore for motor shaft) | Ø8 H7 |
Who makes it
MakerSINOTUP (拓朴智行)
Based inChina
RoleBrand owner
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
Loading duty data…
Compliance
| HTS classification | 8483.40.50 |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | Brand name 拓朴智行 shown on seller photo; TwinSpin-style reduction bearing (axis or shell rotation). Specs from reseller. |
Equivalents from other makers
Sources
- https://aifitlab.com/products/sinotup-tf55-reducerreseller spec table, price, stock, drawing/STEP listed; price USD 630.00 (seen 2026-11-03)
- https://cdn.shopify.com/s/files/1/0673/6848/5000/files/SINOTUP-TF55-Drawing.pdf?v=1780388337Outer diameter (housing flange) (researched 2026-11-03); Overall axial length (researched 2026-11-03); Input bore (keyed H7 bore for motor shaft) (researched 2026-11-03)
Record confidence: REPORTED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.