O-RING (Yale YT218-K-346)

YT218-K-346: A damaged retaining ring can allow assembled components to separate under load, leading to mechanical failure. This aftermarket replacement part references the Yale catalog number YT218-K-346. The retaining ring functions as a mechanical fastener that seats in a groove to secure a shaft or bore assembly. If the ring loses tension or breaks, the retained part may shift or dislodge during operation. In a typical service context, a retaining ring is installed during reassembly after bearing or seal replacement. The ring must maintain its grip to prevent axial movement of the held component. Verify the serial number or application, then call (562) 693-7748.

Part number variants: YT218-K-346, yt218-k-346, YT218K346, yt218k346