This is a Standard Servo with a Ball Bearing on the output shaft. This has a "J" connector and uses a nylon gears.
This servo can produce high-current draw from your batteries. If using NiMH or LiPo batteries, make sure they are capable of delivering sufficient amps.
FEATURES: Single Top Ball Bearing Same mounting as S148 and S9201 (individual rectangular grommets) 3-pole motor Nylon gears
INCLUDES: One S3001 Standard Servo One accessory package
SPECS: Dimensions: 1.6 x 0.8 x 1.4" (1-9/16 x 13/16 x 1-7/16") (40 x 20 x 36mm) Weight: 1.6oz (1-9/16oz) (44g) Torque: 33 oz-in (2.4kg-cm) @ 4.8V 42 oz-in (3.0kg-cm) @ 6V Transit: 0.28 sec/60° @ 4.8V 0.22 sec/60° @ 6V