Airtronics/ Sanwa 94921Z - Low Profile Dual Ball Bearing Servo

Specifications

Source: Most data comes from the manufacturer but some data is sourced from our loyal community.

Last Updated:	2025-08-03
Modulation:	(add)
Torque:	4.8V: 56.00 oz-in (4.03 kg-cm) 6.0V: 70.00 oz-in (5.04 kg-cm)
Speed:	4.8V: 0.16 sec/60° 6.0V: 0.13 sec/60°
Weight:	1.69 oz (47.9 g)
Dimensions:	Length:1.74 in (44.2 mm) Width:0.87 in (22.1 mm) Height:0.92 in (23.4 mm)
Motor Type:	Coreless
Gear Type:	(add)
Rotation/Support:	(add)
Rotational Range:	(add)
Pulse Cycle:	(add)
Pulse Width:	(add)
Connector Type:	(add)

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The discontinued Airtronics 94921Z is a 'Low Profile Dual Ball Bearing' servo that is designed to provide exceptional performance in applications where a low-profile design is required. It is the perfect choice for the steering of 1/10 scale touring cars and other vehicles where a low center of gravity is desirable. The 94921Z's coreless motor provides instantaneous acceleration and a rapid transit time, ensuring that every command is executed with immediate and precise movements. The servo's all-metal gear train and dual ball bearings on the output shaft provide a durable and slop-free drivetrain, ensuring that every command is translated into immediate and precise movements. The servo's digital controller provides a high-resolution, high-frequency response that results in a locked-in and connected feel for the driver.
The 94921Z is a true competition-grade servo that is built to win. Its low-profile design allows for a lower and more centralized mounting position, which can significantly improve the handling and balance of a vehicle. The servo's robust construction and high-quality components ensure that it can withstand the rigors of competitive racing, providing a level of reliability that is essential for high-stakes events. For the competitive racer who is looking for a servo that can provide the ultimate in performance and a low-profile design, the Airtronics 94921Z is the ultimate choice.