| 摘要 |
An object of the present invention is to provide a chain guide superior in silence, which includes: a guide base 15 extending in a traveling direction of a chain 5; a plurality of roller shafts 16 attached to the guide base 15 at an interval along the traveling direction of the chain 5; and rollers 17 each rotatably supported by one of the roller shafts 16. The roller 17 has a cylindrical outer circumferential surface 17a for guiding the chain 5. The outer circumferential surface 17a of the roller 17 has a cylindricity not greater than 20µm. |
