| 摘要 |
The present invention relates to a transfer roller including: a shaft which is installed in a transfer structure; a roller main body which is installed in the shaft to be able to rotate and includes a bearing unit in the contact part with the shaft in order to reduce friction with the shaft; and an abnormality display means which is installed in the lateral side of the roller main body and is provided to display the abnormality of the roller main body or bearing unit. The present invention is able to grasp the abnormality of the transfer roller rapidly and easily by sensing a temperature change which is generated by the abrasion or damage of a ball bearing, the roller main body, etc. |
