How to Determine U-Joint Size
How to Determine a U-Joint Series
Series Width Cap Size
| 3R | 2.562 Inside Snap rings (G) | 1.125 |
| 1310 | 3.219 | 1.062 |
| 1330 | 3.622 | 1.062 |
| 1350 | 3.622 | 1.188 |
| 1410 | 4.188 | 1.188 |
| 1480 | 4.188 | 1.375 |
| 1485 | 4.178 | 1.375 |
| 1550/1555 | 4.964 | 1.375 outside snap rings |