The function of the roller

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The function of the rollers is to transmit the weight of the locomotive group to the ground and roll on the track. In order to prevent derailment, the rollers should also be able to prevent the track from moving relative to it laterally. The rollers often work in muddy water, sand and sand, and bear strong impact. The working conditions are extremely bad, and the rim is easy to wear. The requirements for the roller are: wear-resistant rim, reliable bearing seal, low rolling resistance, etc.

The function of the rollers is to transmit the weight of the locomotive group to the ground and roll on the track. In order to prevent derailment, the rollers should also be able to prevent the track from moving relative to it laterally.
The rollers often work in muddy water, sand and sand, and bear strong impact. The working conditions are extremely bad, and the rim is easy to wear.
The requirements for the roller are: wear-resistant rim, reliable bearing seal, low rolling resistance, etc.

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