20-BSJ-IR 8:1/SSE-1/SSE-2/FA/72.00/S

20-BSJ-IR 8:1/SSE-1/SSE-2/FA/72.00/S
Ball Screw Jack

Inch Worm Gear Ball Screw Jack, Inverted Rotating, Standard, 20 ton Capacity, 8:1 Gear Ratio, Travel Nut Position A

$7361.87 each**
Max Travel Length

Min: 1.0 in  Max: 240.0 in  To the nearest .01 in

Jack Configuration

  • Improved speed, force, duty cycle, acceleration
  • Longer life cycle (low friction)
  • Requires less motor power
  • Greater positioning accuracy

Dimensions

Dimensions
Dimension Value
L 1,828.80 mm (72.000 in)
Dimensions
Dimension Value
Unit Of Measure All length values in: Inches

Specifications

Specification Value
Gear Ratio 8:1
Screw Diameter 57 mm / 2.25 in
Screw Lead 13 mm / 0.50 in
Screw Root Diameter 47 mm / 1.85 in
Worm Turns Per Inch 16
Weight 89 kg / 195.20 lbs
Min Temp -29 °C / -20 °F
Max Temp 93 °C / 200 °F
Housing Material Ductile Iron
Drive Sleeve Material Nook Bronze Proprietary
Worm Shaft Material Alloy Steel
Screw Material 4150 Case Hardened
Nut Material 1117/8620 Hardened Steel
Bellows Boots No Bellows Boots
Nook Sensor No Tube Sensor
Environmental Standard Environment

Performance

Performance
Performance Value
Capacity 177,929 N / 40,000.00 lbf
Torque to Raise 1 lb [0.45 kg] 0.0018 N·m / 0.0160 in.-lb.
Max Input Torque 70.73 N·m / 626.00 in.-lb.
Max Input kW/HP 5.60 kW / 7.50 hp
Max Worm Speed Rated Load 755 rpm
Max Capacity at 1750 rpm 76,527 N / 17,204 lbf
Tare Drag Torque 4.519 N·m / 40.000 in.-lb.
Back Drive Holding Torque 36.607 N·m / 27.000 ft.-lb.
Jack Travel Rate at 1750 RPM 2,769 mm/min / 109 in/min

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