SR-EI Shaft Rings - SR-EI-31
Product Description
Axially Assembled, External
Once installed in the groove of a shaft, the portion of the ring protruding from the groove (also called a “shoulder”) holds an assembly in place.
Sizes 12 through 23 standard material – carbon steel; optional material – beryllium copper.
For plated rings, add 0.002” to the listed maximum thickness. Maximum thickness will be a minimum of 0.0002” less than the listed groove width (W) minimum.
| Shaft Dia. (mm) Ds | Shaft Dia. (Ds DEC) | Shaft Dia. (Ds FRACT) | Groove Depth (d) | Groove Dia. (Dg and Tol.) | Groove Width (W and Tol.) | Ring Free Dia. (Df and Tol.) | Ring Thickness (T and Tol.) | Wt. Per 1000 pcs. | Expanded Over Shaft (L1) | Released In Groove (L2) |
|---|---|---|---|---|---|---|---|---|---|---|
| 7.9 | 0.312 | 5/16 | 0.011 | 0.29 (±0.002) | 0.029 (+0.003/-0.0) | 0.281 (+0.002/-0.005) | 0.025 (±0.002) | 3.27 | 0.54 | 0.52 |