N4W
Excavator seal N4W seal back up ring , especially designed for SPGO as its back-up ring,It can minimize the problem of seal failure caused by excessive seal clearance.
Details About N4W Seals
Hydraulic Cylinder Seal Back up Ring for Excavator Model N4w
| ITEM | OD | ID | H |
| N4W | 90 | 85 | 2.5 |
| N4W | 95 | 90 | 2.5 |
| N4W | 100 | 95 | 2.5 |
| N4W | 105 | 100 | 2.5 |
| N4W | 110 | 104 | 3 |
| N4W | 115 | 109 | 3 |
| N4W | 120 | 114 | 3 |
| N4W | 125 | 119 | 3 |
| N4W | 130 | 124 | 3 |
| N4W | 135 | 129 | 3 |
| N4W | 140 | 134 | 3 |
| N4W | 145 | 139 | 3 |
| N4W | 150 | 144 | 3 |
| N4W | 160 | 154 | 3 |
| N4W | 170 | 164 | 3 |
| N4W | 180 | 174 | 3 |
