Oil Seal & Sealing Standards
ISO 6194 · DIN 3760 · AS568 · ISO 3601 · ISO 5597 · V-rings.
Enter any of shaft Ø, bore Ø, or width — leave the unknown blank.
Matching ISO 6194 / DIN 3760 sizes
| d × D × b | Δ (mm) |
|---|---|
| 30 × 42 × 7 | 0.00 |
| 30 × 47 × 7 | 0.00 |
| 30 × 50 × 7 | 0.00 |
| 30 × 52 × 7 | 0.00 |
| 30 × 62 × 7 | 0.00 |
| 28 × 40 × 7 | 2.00 |
| 28 × 47 × 7 | 2.00 |
| 28 × 52 × 7 | 2.00 |
Service envelope
Peripheral velocity
2.36 m/s
Shaft Ra target
0.4–0.8 µm
Shaft Rz target
2.5–6.3 µm
Lay
Plunge-ground, no spiral lay.
Material recommendation
NBR (Nitrile)
Default for most industrial gearboxes. Cheapest.
Temp -30 … 100 °C.
HNBR (Hydrogenated NBR)
FKM / Viton
Type chosen: Type 3 — Dirty / dusty service (gearboxes, automotive).
Material recommendations are screening-level. Always cross-check with the seal manufacturer's chemical compatibility chart for your specific fluid and additive package.
