JR Servos - Analog

JR Servos - Analog

JR Analog Series Servos


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  1. ST47BB Standard Ball Bearing (1.55 oz, 47 oz-in)
    ST47BB Standard Ball Bearing (1.55 oz, 47 oz-in)


        Universal connectors campatible with major brand connectors
        JR's industry leading 3 year warranty
        Standard size with ball bearings


    RC has never been more affordable to enter into as it is now, and the quality of what is now considered to be entry-level equipment rivals what was considered to be the top-tier equipment just a short time ago. With JR SPORT you can get the high level of performance you want with a budget friendly price you desire. JR SPORT makes it easy to determine what servo is best for your application, thanks to their simple naming structure. If you look at the servo's name it will indicate the size and features of the servo for you at a glance. For example look at the ST47BB. ST denotes a standard size case, BB denotes that it has ball bearings and the 47 refers to 47 oz/in of torque @ 4.8volts. All JR SPORT servos feature universal connectors that will plug into major brand receivers and they still feature JR’s industry leading 3-Year warranty


    • Size Category: Standard
    • Type: Analog
    • Torque: 47 oz-in (3.38 kg-cm) @ 4.8V
    • Speed: .18 sec/60° @ 4.8V; .15 sec/60° @ 6V
    • Length: 1.52 in (38.6mm)
    • Width: 0.73 in (18.5mm)
    • Height: 1.32 in (33.5mm)
    • Weight: 1.55 oz (44g)
    • Bushing Or Bearing: Bearing
    • Gear Type: Nylon
    • Application: .40- to .90-size Aircraft
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  2. JR DS188HV High Speed Super Sub Micro
    JR DS188HV High Speed Super Sub Micro

    DS188HV High Speed Super Sub Micro Servo

    Key Features

    • High Voltage application for direct 2S LiPo and LiFe battery supply
    • Low 6-gram weight perfect for a variety of indoor/park flyer/handlaunch glider applications
    • Fast Transit Speed assures snappy responsiveness and accuracy


    The JR 188HV is the latest Sub- Micro update for JR. Based on the original and successful DS188 it has a new high voltage motor allowing it to operate unregulated when using a 2-cell Li-Po or Li-Fe battery or another high voltage power supply. With the added performance generated by the new HV motor this servo packs quite a punch for its tiny size. Weighing only 6 grams, the DS188HV is not only suitable for many hand launch sailplane configurations, but is also very good for indoor foamies and micro Helis now available to the market.

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  3. JR ST126MG High-Torque Sport
    JR ST126MG High-Torque Sport

    Servo, High-Torque ST126MG


    • Size Category:Standard
    • Type:Analog
    • Torque:126 oz/in @4.8v; 142 oz/in @6v
    • Speed:.21 sec/60° @4.8v; .17 sec/60° @6v
    • Dimensions (WxLxH):.73" X 1.52" X 1.33"
    • Weight:1.6oz
    • Gear Type:Metal
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  4. JR 537 Standard Servo w/1BB
    JR 537 Standard Servo w/1BB

    537 Standard Servo w/1BB


    Precision at an affordable price. Ball bearing on the final output gear means the 537 stays tighter, longer. Perfect for .30 helis & sport planes.


    • Size Category:Standard
    • Type:Analog
    • Torque:40 oz/in @ 4.8V, 49 oz/in @ 6V
    • Speed:.25 sec/60° @ 4.8V, .19 sec/60° @ 6V
    • Dimensions (WxLxH):.73" x 1.52" x 1.32"
    • Weight:1.58 oz
    • Bushing Or Bearing:Bearing
    • Bearing:Single
    • Motor Type:3-Pole Ferrite
    • Gear Type:Nylon
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