Key specifications
- Diameter range
- Ø 3 – 20 mm
- Standard sizes
- 10
Selected size:
Product Description
NBR rod seal for small-diameter pneumatic cylinder rods. 10 standard sizes available. For a quote, please send the size (ID × OD × height), material and quantity.
Technical Specifications
| Diameter range | Ø 3 – 20 mm |
|---|---|
| Standard sizes | 10 |
Size Table
This product is available in 10 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 |
|---|---|---|---|
| 0 – 10 | 6 – 11 | 2.1 | 6 |
| 10 – 20 | 13 – 20 | 2.1 – 2.8 | 3 |
| 20 – 30 | 24 | 2.8 | 1 |
🔎 Size finder
Applications
- Rod sealing in hydraulic cylinders
- Press, lifting and construction machinery cylinders
- Rotary joints and indexing applications
- Pneumatic cylinder rods
Information Needed for a Quote
- Rod diameter, groove outer diameter and groove width (mm)
- Seal type (U-cup, buffer, rod seal) or existing code
- Operating pressure, temperature and speed
- Fluid type
- Quantity
Selection and Usage Notes
- In heavy-duty cylinders a buffer seal is used together with the primary rod seal to absorb pressure peaks.
- Polyurethane (PU) seals are widely used in hydraulic oil thanks to their wear resistance; choose FKM for high temperatures.
- The rod should be hard-chrome plated and smooth; make sure the seal lip faces the right way when fitting.
Frequently Asked Questions
Is a rod seal the same as a wiper?
No. The rod seal keeps pressurised oil inside; the wiper keeps dust and dirt out. They are used together.
Which material lasts longest?
In hydraulic oil, polyurethane usually offers the best wear resistance; depending on temperature and fluid we may recommend FKM or PTFE.
🔗 Share this product
Send the product page to your team or purchasing contact.
Other products in this group
Rod Buffer Seal (HBTS)PTFE + O-ring buffer seal that absorbs pressure peaks and protects the main rod seal.View details 
NBR U-Cup (UPH)General-purpose NBR U-cup for hydraulic cylinder rods and pistons.View details 
Spring-Energised PTFE Rod SealPTFE rod seal with stainless leaf spring for chemical and high-temperature applications.View details 
FKM U-Cup (UN)FKM U-cup in a wide size range for high temperatures and special fluids.View details 
FKM Rod U-Cup (YXd)Asymmetric-profile FKM rod U-cup resistant to high temperature.View details 
GSI Rod SealRod seal of a low-friction PTFE ring and O-ring, suitable for servo cylinders.View details 
GRS Rod SealStepped PTFE-based rod seal that runs stably at high pressures and speeds.View details 
Swivel Joint Seal (GRS)PTFE seal for construction machine swivel (centre) joint housings.View details Sistemay Endüstriyel supplies Rod Seals products across Türkiye and abroad. For product selection, sizes, quantities and pricing, fill in the quote form or write to info@sistemay.com.