Xem Studiomeasured geometryLibrary › Hardware › Retaining rings DIN 471 (external, for shafts): ring dimensions and…
Half-section (cut along the axis, flat face down) of a Ø25 × 100 mm shaft with the DIN 471 ring groove
Half-section (cut along the axis, flat face down) of a Ø25 × 100 mm shaft with the DIN 471 ring groove: groove Ø23.9 (d2) × 1.3 mm wide (m), groove centre 37.5 mm from one end; nominal values, no chamfers; length and groove position are an example, d1, d2 and m are the standard's
Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.
STEP STL free, CC BY 4.0 (credit "Xem Studio")
Dimensions
| shaft d1, mm | 25 |
|---|---|
| ring thickness s, mm | 1.2 |
| ring free inner Ø d3, mm | 23.2 |
| lug width a (max), mm | 4.4 |
| ring width b (approx), mm | 3 |
| lug hole d5 (min), mm | 2 |
| groove Ø d2, mm | 23.9 |
| groove width m, mm | 1.3 |
| groove depth t, mm | 0.55 |
| edge margin n (min), mm | 1.7 |
https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.From the full sheet
Retaining rings DIN 471 (external, for shafts): ring dimensions and groove diameter d2 × width m, 3 to 100 mm: every size, notes, mating features and sources. What groove diameter and width does a DIN 471 external retaining ring (circlip) need on a shaft, and what are the ring's thickness and lug sizes?
Other sizes
- Half-section (cut along the axis, flat face down) of a Ø8 × 32 mm shaft with the DIN 471 ring groove
- Half-section (cut along the axis, flat face down) of a Ø10 × 40 mm shaft with the DIN 471 ring groove
- Half-section (cut along the axis, flat face down) of a Ø12 × 48 mm shaft with the DIN 471 ring groove
- Half-section (cut along the axis, flat face down) of a Ø15 × 60 mm shaft with the DIN 471 ring groove
- Half-section (cut along the axis, flat face down) of a Ø17 × 68 mm shaft with the DIN 471 ring groove
- Half-section (cut along the axis, flat face down) of a Ø20 × 80 mm shaft with the DIN 471 ring groove
- Half-section (cut along the axis, flat face down) of a Ø30 × 120 mm shaft with the DIN 471 ring groove
- Half-section (cut along the axis, flat face down) of a Ø35 × 140 mm shaft with the DIN 471 ring groove
- Half-section (cut along the axis, flat face down) of a Ø40 × 160 mm shaft with the DIN 471 ring groove
- Half-section (cut along the axis, flat face down) of a Ø50 × 200 mm shaft with the DIN 471 ring groove