Translation guide
A fastener used to hold components on a shaft or in a bore. In Japanese, the most common term is スナップリング, but technical contexts may use 止め輪 or specific types.
The learner wants to refer to a snap ring in a general mechanical context.
Loanword from English, widely understood in mechanical and engineering fields.
I removed the snap ring and took out the bearing.
Native Japanese term meaning 'retaining ring'. Common in technical manuals.
This snap ring is for shafts.
The learner needs to specify a snap ring that fits onto a shaft.
Explicitly states it's for a shaft.
Please install the external snap ring.
Literally 'outer ring retaining ring', used in some technical contexts.
The external snap ring is off.
The learner needs to specify a snap ring that fits into a bore or housing.
The learner wants to refer to a specific type of snap ring like a C-clip or E-clip.
C-shaped retaining ring, often called a C-clip.
Fit the C-clip onto the pin.
E-shaped retaining ring, often called an E-clip.
Be careful not to let the E-clip come off.
In casual conversation, スナップリング is fine. In formal technical documents, 止め輪 is often preferred. Specify shaft or bore type if context isn't clear.
Fit the internal snap ring into the groove.