---
title: "50kN-40×7-S-Trapezoidal screw"
url: "https://zimm.com/product/50kn-40x7-s-trapezoidal-screw-zeh/"
datePublished: "2019-09-02T14:25:09+00:00"
dateModified: "2024-12-09T06:56:24+00:00"
author: ZIMM GmbH
lang: en
canonical: "https://zimm.com/product/50kn-40x7-s-trapezoidal-screw-zeh/"
markdown: "https://zimm.com/ai/product/50kn-40x7-s-trapezoidal-screw-zeh.md"
image: "https://zimm.com/wp-content/uploads/2019/09/ze-h-50kn-s-trapezoidal-screw-40x7.png"
serie: zeh
product_title: "50kN-40x7-S-Trapezoidal screw | ZE-H-Series | Screw jack"
categories: "ZE-H-Series | Screw jack, S-Trapezoidal screw"
attributes: "Speed: Low Speed (L), Normal (N); Screw Jack Version: Trapezoidal Screw"
documents: yes
---

## Technical data



Size: 50 kN, Screw size standard: TR40x7, Screw Jack, Nominal speed: 1500 rpm, Max. drive shaft speed: 3000 rpm, Housing material: GGG-50, corrosion-resistant, Worm shaft: Steel, case-hardened, ground, Weight of screw jack body: 17 kg, Weight of screw/m: 8 kg, Gearbox lubrication: Synthetic fluid grease, Screw lubrication: Grease lubrication, Gearbox operating temperature: max. 60°, higher on request, Moment of inertia: N: 2.49 kg cm² / L: 1.73 kg cm², Input torque (at 1500 rpm): max.31.5 Nm / max. 10.4 Nm, Drive-through torque: max.260 Nm, Screw: Translating (S)

## Documents

- [Characteristics-and-duty-cycle-thermal-limit](https://zimm.com/wp-content/uploads/2024/12/Characteristics-and-duty-cycle-thermal-limit.pdf)
- [Gearbox lubrication](https://zimm.com/wp-content/uploads/2025/09/Gearbox-lubrication.pdf)

## Quality

The ZIMM 50kN-40×7-S-Trapezoidal screw is manufactured at the headquarters of ZIMM GmbH in Lustenau. Its development and manufacture are part of the ISO 9001:2015-certified processes for industrial screw jacks.