Mini size ball screw jack

SJB series screw jack is of ball screw type and has compact structure.
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    20 days after payment received
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Mini Ball screw jacks combine the gear unit with a linear drive performed by a ball screw that, in comparison  with the traditional acme screw, offers following advantages:
• higher total efficiency

• longer life of the whole linear drive system

Ball screw 

SJB 50 parameters

Mode;: SJB50

Max.lifting load:50kN

Dynamic load:46kN

Screw diameter: 40mm

Screw pitch:10mm

Screw ratio: 1:7

Stroke per one input turn:1.43mm

Max.input power:2.2KW

Screw type:ball screw 

SJB mini ball screw jacks dimension

SJB ball screw jack dimension

Screw Configuration & Mounting Orientation

US: Upright translating screw     UK: Upright keyed screw    UR: Upright rotating screw
IS: Inverted translating screw     IK: Inverted keyed screw    IR: Inverted rotating screw
Note: US,IS(Screw rotation,do axial motion)   UK,IK(Screw anti-rotation,do axial motion)   UR,IR(Screw fixed rotation,traveling nut do axial motion)

Technical Data Sheets &CAD

  • SJB Screw Jack


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