Servo Specs, Reviews, & Comparison Tool
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Make | Model | Modulation | Weight | Dimensions (L×W×H) |
Torque | Speed | Motor Type |
Rotation | Gear Material |
Typical Price |
Compare |
JR | 241 * | Analog | 0.83 oz | 0.87×0.45×0.85 in |
4.8V 17.0 oz-in |
4.8V 0.18 s/60° |
3-pole | (add) | Metal | $39.99 | |
JR | 2700G * | Analog | 2.00 oz | 1.29×0.73×1.52 in |
4.8V 49.0 oz-in |
4.8V 0.11 s/60° |
(add) | Dual Bearings | (add) | $89.95 | |
JR | 2721 * | Analog | 1.84 oz | 1.29×0.73×1.32 in |
4.8V 116.0 oz-in 6.0V 148.0 oz-in |
4.8V 0.18 s/60° 6.0V 0.15 s/60° |
Coreless | Dual Bearings | Metal | $109.99 | |
JR | 3021 * | Analog | 0.84 oz | 1.30×0.58×1.02 in |
4.8V 37.5 oz-in |
4.8V 0.22 s/60° |
Coreless | Dual Bearings | (add) | (add) | |
JR | 3025 * | Analog | 0.95 oz | 1.30×0.58×1.02 in |
4.8V 29.2 oz-in |
4.8V 0.15 s/60° |
Coreless | Dual Bearings | (add) | $62.95 | |
JR | 3121 * | Analog | 0.84 oz | 1.30×0.58×1.02 in |
4.8V 46.0 oz-in 6.0V 56.0 oz-in |
4.8V 0.22 s/60° 6.0V 0.20 s/60° |
Coreless | Dual Bearings | Plastic | $69.99 | |
JR | 3125 * | (add) | 0.92 oz | (add) |
4.8V 44.0 oz-in |
4.8V 0.13 s/60° |
(add) | (add) | (add) | (add) | |
JR | 321 * | Analog | 0.77 oz | 1.30×0.58×1.02 in |
4.8V 29.7 oz-in |
4.8V 0.23 s/60° |
5-pole | Single Bearing | (add) | $52.95 | |
JR | 331 * | Analog | 0.63 oz | 1.12×0.50×1.17 in |
4.8V 42.0 oz-in |
4.8V 0.23 s/60° |
3-pole | Bushing | Plastic | $27.99 | |
JR | 3321 * | Analog | 0.95 oz | 1.30×0.58×1.30 in |
4.8V 59.8 oz-in |
4.8V 0.36 s/60° |
Coreless | Dual Bearings | Plastic | $74.95 | |
JR | 341 * | Analog | 0.63 oz | 1.12×0.50×1.17 in |
4.8V 31.9 oz-in |
4.8V 0.24 s/60° |
5-pole | Bushing | (add) | $36.95 | |
JR | 351 * | Analog | 0.86 oz | 1.12×0.50×1.17 in |
4.8V 31.0 oz-in 6.0V 48.0 oz-in |
4.8V 0.24 s/60° 6.0V 0.22 s/60° |
5-pole | Bushing | Metal | $64.99 | |
JR | 371 * | Analog | 0.32 oz | 0.85×0.45×0.87 in |
4.8V 18.0 oz-in |
4.8V 0.23 s/60° |
Brushed | Bushing | Plastic | $21.00 | |
JR | 4000 * | Analog | 1.76 oz | 1.52×0.73×1.32 in |
4.8V 73.6 oz-in |
4.8V 0.17 s/60° |
Coreless | Dual Bearings | (add) | $124.95 | |
JR | 4131 * | Analog | 1.50 oz | 1.52×0.73×1.32 in |
4.8V 90.0 oz-in 6.0V 105.0 oz-in |
4.8V 0.23 s/60° 6.0V 0.20 s/60° |
Coreless | Dual Bearings | Plastic | $79.99 | |
JR | 4721 * | Analog | 1.72 oz | 1.52×0.73×1.32 in |
4.8V 119.0 oz-in 6.0V 140.0 oz-in |
4.8V 0.22 s/60° 6.0V 0.19 s/60° |
Coreless | Dual Bearings | Plastic | $84.99 | |
JR | 4735 * | Analog | 1.72 oz | 1.52×0.73×1.32 in |
4.8V 90.0 oz-in |
4.8V 0.15 s/60° |
Coreless | Dual Bearings | Plastic | $84.95 | |
JR | 507 * | Analog | 1.47 oz | 1.52×0.73×1.32 in |
4.8V 40.3 oz-in |
4.8V 0.22 s/60° |
3-pole | (add) | Plastic | $17.95 | |
JR | 511 * | (add) | 1.69 oz | 1.02×0.58×1.30 in |
4.8V 49.0 oz-in |
4.8V 0.26 s/60° |
(add) | (add) | (add) | (add) | |
JR | 513 * | Analog | 1.72 oz | 1.52×0.73×1.32 in |
4.8V 67.0 oz-in |
4.8V 1.25 s/60° |
5-pole | Single Bearing | (add) | $32.95 | |
JR | 517 * | Analog | 1.58 oz | 1.52×0.73×1.32 in |
4.8V 40.3 oz-in |
4.8V 0.25 s/60° |
3-pole | Single Bearing | Plastic | (add) | |
JR | 527 * | Analog | 1.47 oz | 1.52×0.73×1.32 in |
4.8V 40.3 oz-in |
4.8V 0.25 s/60° |
3-pole | Bushing | (add) | $17.95 | |
JR | 531 * | Analog | 1.50 oz | 1.52×0.73×1.32 in |
4.8V 51.0 oz-in |
4.8V 0.21 s/60° |
3-pole | Single Bearing | (add) | $39.95 | |
JR | 537 * | Analog | 1.58 oz | 1.52×0.73×1.32 in |
4.8V 40.0 oz-in 6.0V 49.0 oz-in |
4.8V 0.25 s/60° 6.0V 0.19 s/60° |
3-pole | Single Bearing | Plastic | $26.99 | |
JR | 591 * | Analog | 1.34 oz | 1.52×0.75×1.18 in |
4.8V 71.0 oz-in |
4.8V 0.24 s/60° |
(add) | Single Bearing | Plastic | $17.10 |