Jtb 500 kn ball screw jack, heavy duty ball screw jacks, 50t support jacks, 50 ton ball jack actuator locking, 50000kg ball screw jack flange, 500000lb mechanical ball nut thread jack features: 1. Lifting force 490kN. Under max. lifting force, input shaft required torque, high ratio 317.5Nm, low ratio 177.9Nm. 2. Ball screw diameter 100 mm, lead 24 mm. 3. High worm gear ratio 3/32, low worm gear ratio 1/32. 4. Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation. 5. High speed, high precision, high efficiency, high duty cycle, high performance, high frequency operation, low drive torque, long service life. 6. motorized ball screw jack by 3-phase or single phase electric motor/gearmotor, manual ball screw jack by handwheel/crank. 7. Ball screw ends include top plate, clevis end, plain end and threaded end. 8. Individually or multiple ball screw jack lift system arrangements are available. 9. Equivalent to Japan TSUBAKI JWB500 ball screw jack and MAKISHINKO JB500 ball screw jack. Note: ball screw without self-locking, braking motor, brake mechanism or other locking systems are required when keep the position. When a motorized ball screw jack, less power is required than an equivalent size JTM500 machine screw jack.

1. JTB Series Ball Screw Jack
Jacton Electromechanical Co.,Ltd | Tel: +86 (0)769 81585852 | Fax: +86 (0)769 81620195
Email: sales@screw-jack.com | Web: www.screw-jack.com | Skype: jactonjack
JTB500 500KN BALL SCREW JACK
DESCRIPTIONS
1. Lifting force 490kN. Under max. lifting force, input shaft required torque, high ratio 317.5Nm, low ratio 177.9Nm.
2. Ball screw diameter 100 mm, lead 24 mm.
3. High worm gear ratio 3/32, low worm gear ratio 1/32.
4. Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation.
5. High speed, high precision, high efficiency, high duty cycle, high performance, high frequency operation, low drive torque, long
service life.
6. motorized ball screw jack by 3-phase or single phase electric motor/gearmotor, manual ball screw jack by handwheel/crank.
7. Ball screw ends include top plate, clevis end, plain end and threaded end.
8. Individually or multiple ball screw jack lift system arrangements are available.
9. Equivalent to Japan TSUBAKI JWB500 ball screw jack and MAKISHINKO JB500 ball screw jack.
Note: ball screw without self-locking, braking motor, brake mechanism or other locking systems are required when keep the
position. When a motorized ball screw jack, less power is required than an equivalent size JTM500 machine screw jack.

2. JTB Series Ball Screw Jack
Jacton Electromechanical Co.,Ltd | Tel: +86 (0)769 81585852 | Fax: +86 (0)769 81620195
Email: sales@screw-jack.com | Web: www.screw-jack.com | Skype: jactonjack
TECHANICAL DATASHEETTECHANICAL DATASHEET
Dimensions and DrawingsDimensions and Drawings
Jacton Electromechanical Co.,Ltd | Tel: +86 (0)769 81585852 | Fax: +86 (0)769 81620195
Email: sales@screw-jack.com | Web: www.screw-jack.com | Skype: jactonjack
JTB Series Ball Screw Jack