JR E355

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Compatible Hardware

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*Based on known specs.

Technical Specifications

Last Updated: 2026-07-28

Identity
Brand
Category	Hobby
Performance
Torque	7.4V 41.70 oz-in 6.6V 74.90 oz-in
Speed	8.4V 0.03 sec/60° 7.4V 0.03 sec/60° 6.6V 0.10 sec/60°
Physical
Weight	0.88 ozAverage
Dimensions	L 1.378 in W 0.591 in H 1.181 in
Drivetrain
Motor Type	Coreless
Gears	Metal
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Neutral Position	1500 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–7 V
Connectivity
Connector	JR (Universal) estimate

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Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Weight

Average

Lighter than 54% of 466 Digital Mini servos

Performance Analysis

Shaft Power	1.38–2.57 W
Power Density	2.674 W/in³ More power-dense than 71% of 440 Digital Mini servos
Torque Density	2.9960 oz-in/g
Torque-to-Volume Ratio	77.92 oz-in/in³
Speed-to-Weight	0.40000 (1/sec·g)
Speed-Torque Trade-off	7.49
Voltage Range Width	2.2 V Wider voltage range than 50% of 351 Digital Mini servos