5J-4997 Hydraulic Cylinder Seal
Cat® Seal with Piston Ring Expander for Tilt Cylinders and Bucket Cylinders
Description
A two-piece seal consisting of a piston ring and an expander, used to prevent oil from flowing between the rod end and the cover end of the cylinder. The piston seal ring is usually made of Teflon, and nylon material can be selected when the pressure is greater than 3000 psi (20670 kPa). Expanders of various shapes are made of nitrile rubber.
Specifications
| Seal Shape | Type 1 |
|---|---|
| Groove Diameter – B (+/- 0.003 in) | 6.09 in |
| Groove Width – A (+/- 0.0508 mm) | 9.63 mm |
| Hole Diameter | 177.80 mm (7.00 in) |
| Groove Width – A (+/- 0.002 in) | 0.38 in |
| Groove Diameter – B (+/- 0.0762 mm) | 154.81 mm |
Compatible Equipment
- Dozers: D11N, D10
