Jtb 200 kn ball screw jack, 20 ton spiral worm gear ball screw jack, 20t ball worm screw lift, 20000 kg ball screw gear lift, 50000lb capacity 63mm ball jack screw features: 1. Lifting force 196kN. Under max. lifting force, input shaft required torque, high ratio 104.5Nm, low ratio 54.2Nm. 2. Ball screw diameter 63 mm, lead 16 mm. 3. High worm gear ratio 1/8, low worm gear ratio 1/24. 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 JWB200 ball screw jack and MAKISHINKO JB200 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 JTM200 machine screw jack.