SJ BS Mod.B Series

Compact design screw jacks

Ball screw jacks recommended for intermittent duty cycle (up to 70%)
Long life synthetic grease lubricated worm gear
High precision worm gearbox, ZI involute profile
Gearbox ratio from 1:4 to 1:36
Monobloc gearbox housing, robust and compact shape
Input speed up to 1.500 rpm
Ball screw drive, travelling nut (Model B)

SJ BS Mod.B Series ball screw jacks with travelling nut:

11 sizes standard available
Ball screw from Ø 16 mm to Ø 140 mm
Load capacity from 5 kN to 800 kN

Available accessories (*):
Incremental or absolute encoder for positioning control
Prepared for IEC standard motors, AC or DC motors, and brushless servomotors (special motor flange adapter available upon request)
Protective bellows
Worm wheel rotation detector
Safety nut
Screw jack housing fixing holes (threaded tapped holes on both housing fixing planes or through holes)
Trunnion mount

More option upon request (*):
Lubricants for high or low ambient temperature
Lubricants suitable for food industry

(*) Always check with our technical support the feasibility of the required option and accessories