430.000.000+ O-rings in stock
Fast delivery
Nederlands 
Deutsch 
Français 
Italiano 
Español 
This O-ring 743x8 - NBR - Nitrile - 70 Shore A - Black - ORS203778 offers excellent resistance to mineral oils, greases, hydraulic fluids, and fuels, making it suitable for various industrial applications.
Manufactured from NBR (nitrile butadiene rubber), also known as Nitrile rubber, with a hardness of 70 Shore A, this NBR O-ring, with an inner diameter (ID) of 743mm and a cross-section (CS) of 8mm, provides excellent resistance to oils, greases, and fuels. This makes the material ideal for use in the general, hydraulic, and pneumatic industries.
✅ Excellent resistance to oils, greases, and mineral oils
✅ Temperature resistant from -30°C to +135°C
✅ Resistant to aliphatic hydrocarbons and hydraulic oils H, H-L, H-LP
✅ Wear-resistant and durable – longer lifespan and reduced maintenance
✅ Good mechanical properties – maintains flexibility under pressure
This O-ring 743x8 NBR 70 is ideal for applications in the general, hydraulic, and pneumatic industries. It is commonly used in pumps, compressors, hydraulic cylinders and pumps, pneumatic cylinders, and air pressure regulators due to its excellent resistance to oils and greases.
You can easily order this O-ring 743x8 - NBR - Nitrile - 70 Shore A - Black - ORS203778 online from our webshop O-ring-stocks.eu, the Global O-ring Webshop
This NBR - Nitrile O-Ring has a diameter of 743x8 mm and is Black in color. The hardness of this O-ring 743x8 - NBR - Nitrile - 70 Shore A - Black - ORS203778 is 70 Shore A. Alternative names for the compound are Nitrile Rubber - NBR, and it is commonly produced by Lanxess - Zeon - and LG Chem. The O-Ring is typically used in and has an operating temperature range from -30 ºC to 135 ºC. O-Rings 247471 are referred to as 203778 and have a DIN 3771 size of 743x8. This item is equivalent to and has an approval. The chemical name of this O-Ring is Acrylonitrile butadiene rubber.
| In stock | Yes, 152 pcs |
| Article number | 203778 |
| HS-code | 39269097 |
| Brand | Freudenberg |
| country of origin | DE |
| Design | df101 |
| Dimensions | 8.5x12.5x3.1 |
| Material | 94 AU 21700 |
| net weight | 2 Gram |
| Packaging description | 1 |
| Packaging Unit | 1 |
| Unit | pcs Stuks |
All items marked with a * are required.
