ActionJac 20-BSJ-UK 8:1

Inch Worm Gear Ball Screw Jack, Upright Keyed, 20 Ton Capacity, 8:1 Gear Ratio, Screw Lead 0.5"

Keyed Ball screw jacks is supplied with a device that prevents rotation of the lift shaft. Anti-rotation is accomplished by a square guide attached to the screw translating inside a square stem cover attached to the jack. The square stem tube is supplied with lube fittings.

A Uprighted translating jack has a lifting shaft that moves through the gear box. The lift shaft extends out from the top of the worm screw jack. A nut is integrated with the worm gear such that the worm gear and nut rotate together. When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the gear box to move the load.

To configure a part number, download 2D/3D models, or request a quote, please select the "Quote or Download" tab and click the "Configure" button. (Step 4 of 4)

Product ActionJac 20-BSJ-UK 8:1
Capacity [Ton] 20
Gear Ratio 8:1
Turns of Worm per Inch Travel 16
Torque to Raise 1 lb. [in-lb] 0.0173
Lifting Screw Diameter [in] 2.25
Screw Lead [in] 0.500
Root Diameter [in] 1.850
BackDrive Holding Torque [ft-lb] 27
Tare Drag Torque [in-lb] 40
Performance Specifications
Maximum Allowable Input [hp] 7.50
Maximum Input Torque [in-lb] 626
Maximum Worm Speed at Rated Load [rpm] 683
Maximum Load at 1750 RPM [lb] 15613
Starting Torque 1.5 x Running Torque
Base 0 Travel [lb] 85
Per Inch of Travel [lb] 1.50
Grease [lb] 2.2

To continue, please configure your item below.

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