---
title: "On-Board Power Supply Systems: Bearings for Generators"
date: 2026-07-22
description: "On-Board Power Supply Modern trains are equipped with on-board power supply systems to power lighting, air conditioning, communication, and safety systems. Bear..."
source: https://en.mshjzc.com/railway-transport-bearings/56198.html
---

# On-Board Power Supply Systems: Bearings for Generators

## On-Board Power Supply

Modern trains are equipped with on-board power supply systems to power lighting, air conditioning, communication, and safety systems. Bearings in generators and converters must ensure stable operation under varying loads.

### Bearing Applications:

- AC Generators
- Frequency Converters
- Auxiliary Engines
- Cooling System Pumps

### Requirements:

- High rotational speed
- Low vibration level
- Long service life under continuous operation
- Resistance to load fluctuations

## MS Bearing Products

<table><tr><th>Unit</th><th>Bearing Type</th><th>Speed</th></tr><tr><td>Generators</td><td>Ball Bearings 6308, 6310</td><td>up to 3000 rpm</td></tr><tr><td>Converters</td><td>Cylindrical NU Bearings</td><td>up to 6000 rpm</td></tr><tr><td>Pumps</td><td>Ball Bearings 6205, 6206</td><td>up to 1500 rpm</td></tr></table>

12-month warranty.