---
title: "50kN-40×20-S-Ball screw"
url: "https://zimm.com/product/50kn-40x20-s-ball-screw-zeh/"
datePublished: "2019-09-02T14:25:07+00:00"
dateModified: "2026-10-14T10:36:30+00:00"
author: ZIMM GmbH
lang: en
canonical: "https://zimm.com/product/50kn-40x20-s-ball-screw-zeh/"
markdown: "https://zimm.com/ai/product/50kn-40x20-s-ball-screw-zeh.md"
image: "https://zimm.com/wp-content/uploads/2019/09/ze-h-50kn-s-ball-screw-40x20.png"
serie: zeh
product_title: "50kN-40x20-S-Ball screw | ZE-H-Series | Screw jack"
categories: "ZE-H-Series | Screw jack, S-Ball screw"
attributes: "Screw: Translating (S); Screw Jack Series: ZE-H; Size: 50 kN; Screw Jack Version: Ball Screw"
documents: yes
---

## Technical data



Size: 50 kN, Screw size standard: KGT 40x20, Screw Jack, Nominal speed: 1500 rpm, Max. drive shaft speed: 3000 rpm, KGT load rating dynamic: 44 kN, KGT load rating static Co=Coa: 80.4 kN, Axial play: 0.06 mm, Housing material: GGG-50, corrosion-resistant, Worm shaft: Steel, case-hardened, ground, Weight of screw jack body: 23 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: 2.82 kg cm² / L: 1.75 kg cm², Input torque (at 1500 rpm): max. 31.5 Nm / max. 10.4 Nm, Drive-through torque: max. 260 Nm, Stroke per drive shaft rotation: N: 2.86 mm / L: 0.72 mm, Drive ratio: N: 7:1 / L: 28:1, Screw: Translating (S)

## Documents

- [S-Ball-screw-50-200kn](https://zimm.com/wp-content/uploads/2024/12/S-Ball-screw-50-200kn.pdf)
- [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

ZIMM 50kN-40×20-S-Ball screw is manufactured at the headquarters of ZIMM GmbH in Lustenau. Development and manufacture are part of the ISO 9001:2015-certified processes for industrial screw jacks.