Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm, 7.4V, 1 A/Phase vs FEETECH High-Torque, High-Voltage Digital Servo FT5121M
Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm, 7.4V, 1 A/Phase and FEETECH High-Torque, High-Voltage Digital Servo FT5121M are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm, 7.4V, 1 A/Phase is €3.54 cheaper ($76.72).
| Criterion |  Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm, 7.4V, 1 A/Phase |  FEETECH High-Torque, High-Voltage Digital Servo FT5121M |
|---|---|---|
| Price | $76.72cheapest | $80.81 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Current | 1 A | — |
| Resistance | 7.4 Ω | — |
| Voltage | 7.4 V | — |
| Dimensions | 57×56mm | — |
| Weight | 700 g | 60 g |
| Digital | — | Yes |
| Hardware included | — | Yes |
| Holding torque | 125 oz·in | — |
| Inductance per phase | 10 mH | — |
| Lead length | 30 cm | 10 in |
| Nema size | 23 | — |
| Number of leads | 6 | — |
| Shaft diameter | 6.35 mm | — |
| Shaft type | 1/4 inch "D" | — |
| Size | 56.4 mm square × 56 mm | 40.5 × 20.5.× 37.5 mm |
| Speed 6v | — | 0.15 sec/60° |
| Speed 7 4v | — | 0.12 sec/60° |
| Stall torque 6v | — | 17.5 kg·cm |
| Stall torque 7 4v | — | 20.5 kg·cm |
| Steps per revolution | 200 | — |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
Robotitem does not test products. This comparison reports seller-published data only, and ranking never takes affiliate commission into account.