The SG-0351 is a standard digital servo with Dual bearing support for increased precision and durability.

Features:
- Leading edge digital servo technology
- Strong 3-Pole Brushed motor
- Accurate and fast response
- Fine resolution
- Composite case
- Ball bearings
- Precision Composite gears

Technical specifications:
Servo Technology: Digital Low Voltage
Input Voltage (V): 4.8V - 6.0V
Servo Type / Size: Standard
Motor Type: Brushed 3-Pole Motor
Gear Material: Composite gears
Dual Ball Bearings
Servo Case: Composite
Speed 60°/Sec @ 6.0V: 0.17 Sec/60°
Torque kg/cm @ 6.0V: 4.1 Kg/cm
Length (mm): 40.7 mm
Width (mm): 20.0 mm
Height (mm): 37.0 mm
Weight (g): 41 g
Connector type: JR
Spline size: 25T Spline

Plenty more stock available 2 to 3 days.