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The poodle external retaining ring has a tapered section, assembles radially, is made of phosphate finished 1060-1090 carbon steel, and is made in USA. The rings poodle shape has two large panels that provide a large shoulder area on opposite sides of the shaft for assembly retention. The tapered section style provides the ring with flexibility to facilitate installation and typically withstands higher thrust loads than constant section and spiral rings. The ring installs by sliding it onto a shaft from the side, also called radial assembly. Often used when the shaft end is not reachable, radial assembly rings enable quicker installation than axially installed rings but may require deeper grooves. The 1060-1090 carbon steel is often used in applications where strength is the primary consideration, and the phosphate finish provides mild corrosion resistance.

Retaining rings attach to a shaft (external) or install in a bore (internal), creating a shoulder to maintain component positioning within an assembly. While most rings install into a machined groove either on the inside or outside diameter of a shaft, self-locking rings attach to a shaft by using friction from means such as teeth and notches to maintain placement. Retaining rings should fit tightly enough into the groove or onto the shaft so they wont experience any movement.