The Replacement Retaining Ring for Chief 5″ Tower Collar Roller Pin – heavy-duty non-OEM external snap ring designed for the 1.240″ diameter grooved roller pin used on Chief S21, S21M, Goliath, Signature, and Signature Hybrid frame machines. This exact-fit retaining ring locks the 5″ collar roller securely in place with true drop-in installation (pin and wheel sold separately).
Key Features & Compatibility:
- Exact fit – 1.240″ groove on Chief roller pin
- Confirmed fit – Chief S21 & S21M 5″ collar rollers
- Confirmed fit – Chief Goliath tower rollers
- Confirmed fit – Signature & Signature Hybrid rollers
- Heavy-duty spring steel – Built for constant tower movement
- Works with grooved-end roller pin (ref 680747)
