---
title: "Door Drive Systems: Bearings for Train Automatic Doors"
date: 2026-07-22
description: "Automatic Train Doors Modern passenger trains are equipped with automatic doors with electric or pneumatic drives. Bearings ensure smooth door opening and closi..."
source: https://en.mshjzc.com/railway-transport-bearings/56194.html
---

# Door Drive Systems: Bearings for Train Automatic Doors

## Automatic Train Doors

Modern passenger trains are equipped with automatic doors with electric or pneumatic drives. Bearings ensure smooth door opening and closing, as well as fixation in extreme positions.

### Bearing Applications:

- Door leaf guide rollers
- Drive gears and shafts
- Lock mechanisms
- Pneumatic cylinders

### Requirements:

- Quiet operation
- Long service life (over 1 million cycles)
- Vibration resistance
- Compact dimensions

## MS Bearing Products

<table><tr><th>Component</th><th>Bearing Type</th><th>Features</th></tr><tr><td>Guide rollers</td><td>Ball bearings 6000, 6200</td><td>Quiet, compact</td></tr><tr><td>Drive shafts</td><td>Cylindrical NU bearings</td><td>High speed</td></tr><tr><td>Locks</td><td>Miniature 6800 bearings</td><td>Compact</td></tr></table>

12-month warranty.