73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) and Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×41mm, 5.7V, 1 A/Phase are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, 73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) is €22.17 cheaper ($31.95).
| Criterion | 73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) | Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×41mm, 5.7V, 1 A/Phase |
|---|---|---|
| Price | $31.95cheapest | $57.52 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Current | — | 1 A |
| Resistance | — | 5.7 Ω |
| Voltage | — | 5.7 V |
| Dimensions | — | 57×41mm |
| Weight | 43 g | 450 g |
| Gear ratio | 73:1 | — |
| Holding torque | — | 55 oz·in |
| Inductance per phase | — | 5.4 mH |
| Lead length | — | 30 cm |
| Nema size | — | 23 |
| No load current 6v | 250 mA | — |
| No load speed 6v | 180 rpm | — |
| Number of leads | — | 6 |
| Shaft diameter | 4 mm | 6.35 mm |
| Shaft type | — | 1/4 inch "D" |
| Size | 20D x 44L mm | 56.4 mm square × 41 mm |
| Stall current 6v | 3 200 mA | — |
| Stall torque 6v | 60 oz·in | — |
| 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.
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