---
title: "25kN 40×7 Trapezoidal screw"
url: "https://zimm.com/product/25kn-40x7-trapezoidal-screw-zai/"
datePublished: "2026-10-14T07:56:14+00:00"
dateModified: "2026-10-14T10:36:28+00:00"
author: ZIMM GmbH
lang: en
canonical: "https://zimm.com/product/25kn-40x7-trapezoidal-screw-zai/"
markdown: "https://zimm.com/ai/product/25kn-40x7-trapezoidal-screw-zai.md"
image: "https://zimm.com/wp-content/uploads/2026/10/za-i-25kn-trapezoidal-screw-40x7-1.png"
serie: zai
product_title: "25kN 40x7 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: 25 kN, Screw size standard: TR 40x7, 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): 14.7 kg, Base weight - single-stage planetary gear (P1): 21.5 kg, Base weight - two-stage planetary gear (P2): 26.4 kg, Weight of screw/0.1m: 2.4 kg, Gearbox lubrication: Synthetic fluid oil, Thrust bearing lubrication: Synthetic fluid grease, Screw lubrication: Grease lubrication, Stroke per drive shaft rotation: DA: 7.00 mm / P1: 1.17 mm / P2: 0.19 mm, Drive ratio: DA: 1:1 / P1: 6:1 / P2: 36:1

## Quality

ZIMM 25kN 40×7 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.