ActionJac EM20-BSJ-IR 8:1

Metric Worm Gear Ball Screw Jack, Inverted Rotating, 200 kN Capacity, 8:1 Gear Ratio

A Inverted Rotating Screw Jack has a lift shaft that moves a nut as it turns. The lift shaft is fixed to the worm gear. This causes the load, which is attached to the travel nut, to move along the lift shaft. A Inverted Roating Screw jacks has the lift shaft extending out the bottom of the jack.

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Product ActionJac EM20-BSJ-IR 8:1
Capacity [kN] 200
Gear Ratio 8:1
Travel for 1 Turn of Worm [mm] 1.50
Torque to Raise 1 kN [Nm] 0.38
No Load Torque [Nm] 4.52
Lifting Screw Diameter [mm] 63
Screw Lead [mm] 12
Root Diameter [mm] 57.0
BackDrive Holding Torque [Nm] 61.0
Performance Specifications
Maximum Allowable Input [kW] 5.60
Maximum Input Torque [Nm] 75.20
Maximum Load at 1425 RPM [kN] 99.8
Maximum Worm Speed at Rated Load [rpm] 710
Starting Torque 1.5 x Running Torque
Base 0 Travel [kg] 38.60
Per 100mm of Travel [kg] 2.31
Grease [kg] 1.00

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