Comparison : |
Item # PBT44-3, Servobox Series Model PBT44 1-Stage, 3 Ratio, and Standard Output Bearing Planetary Reducer Gearbox Item # PBT44-3N, Servobox Series Model PBT44 1-Stage, 3 Ratio, and Solid Output Shaft Output Bearing Planetary Reducer Gearbox Item # PBT44-4, Servobox Series Model PBT44 1-Stage, 4 Ratio, and Standard Output Bearing Planetary Reducer Gearbox Item # PBT44-4N, Servobox Series Model PBT44 1-Stage, 4 Ratio, and Solid Output Shaft Output Bearing Planetary Reducer Gearbox Item # PBT44-5, Servobox Series Model PBT44 1-Stage, 5 Ratio, and Standard Output Bearing Planetary Reducer Gearbox
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