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Quiet Operation
Helical gears reduce vibration and noise.

High Torque
High output torque is compared to spur gear planetary gear reducers.

High Efficiency
Efficiency for 1-stage model exceeds 97%; 2-stage model exceeds 94%.
Servobox Series Model PB 1-Stage Planetary Reducer Gearbox
Servobox Series Model PB 1-Stage Planetary Reducer Gearbox - 2
Unit of Measure
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Model Number

Ratio

Maximum Radial Force (F2rB)

Maximum Axial Force (F2aB)

PB120-4 N/A 4 N/A 6460 N N/A 3230 N
PB120-4N N/A 4 N/A 6460 N N/A 3230 N
PB120-5 N/A 5 N/A 6460 N N/A 3230 N
PB120-5N N/A 5 N/A 6460 N N/A 3230 N
PB120-6 N/A 6 N/A 6460 N N/A 3230 N
PB120-6N N/A 6 N/A 6460 N N/A 3230 N
PB120-7 N/A 7 N/A 6460 N N/A 3230 N
PB120-7N N/A 7 N/A 6460 N N/A 3230 N
PB120-8 N/A 8 N/A 6460 N N/A 3230 N
PB120-8N N/A 8 N/A 6460 N N/A 3230 N
PB120-9 N/A 9 N/A 6460 N N/A 3230 N
PB120-9N N/A 9 N/A 6460 N N/A 3230 N
PB120-10 N/A 10 N/A 6460 N N/A 3230 N
PB120-10N N/A 10 N/A 6460 N N/A 3230 N
PB142-3 N/A 3 N/A 8830 N N/A 4410 N
PB142-3N N/A 3 N/A 8830 N N/A 4410 N
PB142-4 N/A 4 N/A 8830 N N/A 4410 N
PB142-4N N/A 4 N/A 8830 N N/A 4410 N
PB142-5 N/A 5 N/A 8830 N N/A 4410 N
PB142-5N N/A 5 N/A 8830 N N/A 4410 N
PB142-6 N/A 6 N/A 8830 N N/A 4410 N
PB142-6N N/A 6 N/A 8830 N N/A 4410 N
PB142-7 N/A 7 N/A 8830 N N/A 4410 N
PB142-7N N/A 7 N/A 8830 N N/A 4410 N
PB142-8 N/A 8 N/A 8830 N N/A 4410 N
Unit of Measure
 1 2 3 4 5 »