---
title: "50kN 50×8 Trapezoidal screw"
url: "https://zimm.com/product/50kn-50x8-trapezoidal-screw-zai/"
datePublished: "2026-10-14T08:15:06+00:00"
dateModified: "2026-10-14T10:36:28+00:00"
author: ZIMM GmbH
lang: en
canonical: "https://zimm.com/product/50kn-50x8-trapezoidal-screw-zai/"
markdown: "https://zimm.com/ai/product/50kn-50x8-trapezoidal-screw-zai.md"
image: "https://zimm.com/wp-content/uploads/2026/10/za-i-50kn-trapezoidal-screw-50x8-1.png"
serie: zai
product_title: "50kN 50x8 Trapezoidal screw | ZA-I-Series | Actuator"
categories: "ZA-I-Series | Actuator, Trapezoidal screw"
attributes: "Speed: Low Speed (L), Normal (N); Screw Jack Version: Trapezoidal Screw"
---

## Technical data



Size: 50 kN, Screw size standard: TR 50x8, Actuator, ZA-I-Series, Nominal speed: 1500 rpm, Max. drive shaft speed: 3000 rpm, Housing material: GGG-50, corrosion-resistant, Material - cylinder tube: Steel, Material - push tube: Steel, chrome-plated, Base weight - direct drive (DA): 25.7 kg, Base weight - single-stage planetary gear (P1): 35.3 kg, Base weight - two-stage planetary gear (P2): 37.7 kg, Weight of screw/0.1m: 3.6 kg, Gearbox lubrication: Synthetic fluid oil, Thrust bearing lubrication: Synthetic fluid grease, Screw lubrication: Grease lubrication, Stroke per drive shaft rotation: DA: 8.00 mm / P1: 1.33 mm / P2: 0.22 mm, Drive ratio: DA: 1:1 / P1: 6:1 / P2: 36:1

## Quality

ZIMM 50kN 50×8 Trapezoidal 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 actuators.