Key specifications
- Diameter range
- Ø 38.1 – 102 mm
- Standard sizes
- 30+
Selected size:
Product Description
Metal-cased wiper seal for inch-size construction machine cylinders. 30+ standard sizes available. For a quote, please send the size (ID × OD × height), material and quantity.
Technical Specifications
| Diameter range | Ø 38.1 – 102 mm |
|---|---|
| Standard sizes | 30+ |
Size Table
This product is available in 24 standard sizes. The table shows how they are distributed; use the size finder to see every size.
| Inner diameter d (mm) – range | Outer diameter D (mm) | Height H (mm) | Sizes |
|---|---|---|---|
| 30 – 50 | 57.15 – 69.02 | 8.5 – 11.11 | 5 |
| 50 – 80 | 68.9 – 101.6 | 9.52 – 14 | 11 |
| 80 – 120 | 99 – 127 | 8 – 14 | 8 |
🔎 Size finder
Applications
- Rod entries of hydraulic cylinders
- Construction machinery, loader and crane cylinders
- Equipment working in dusty, muddy or outdoor conditions
- Pins and pivot points (dust + grease seals)
Information Needed for a Quote
- Rod diameter, housing diameter and height (mm)
- Mounting type: snap-in or metal-cased (press-fit)
- Material (PU, NBR, FKM)
- Working environment (dust, mud, water)
- Quantity
Selection and Usage Notes
- Metal-cased or double-lip wipers give better protection in very dirty conditions.
- A damaged wiper lets dirt in and quickly wears the rod seal and rod; replacing them together is recommended.
- Clean the housing and seat the wiper without distorting it.
Frequently Asked Questions
What do height values such as "7/10" mean?
The first value is the housing (groove) height and the second is the overall height of the wiper.
When should a metal-cased wiper be chosen?
For cylinders whose housing is machined for a press fit, and for very dirty operating conditions.
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