Enter the dimensions you measured to find the standard designation and same-size alternatives for bearings, oil seals, chains, spark plugs and drive belts.
| Standard designation | Outer length | Top width | V angle (°) | Also sold as | Status | In our library |
|---|---|---|---|---|---|---|
| 669-18-30GY6 50 (139QMB), 10" wheel short case | 669 | 18 | 30 | 669 18 30 | Candidate (unverified) | — |
| 743-20-30GY6 125/150 short case | 743 | 20 | 30 | 743 20 30 | Candidate (unverified) | — |
| 835-20-30GY6 125/150 long case | 835 | 20 | 30 | 835 20 30 | Candidate (unverified) | — |
| 842-20-30GY6 150 long case | 842 | 20 | 30 | 842 20 30 | Candidate (unverified) | — |
Same size does not always mean interchangeable: also match the type, seal, material and load rating before installing.