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| Stock | Delivery time |
|---|---|
| 10 | On workingdays before 12:00 ordered, shipped the same day |
| 154 | Shipped in 5 - 7 - Day(s) |
| Quantity | Per piece |
|---|---|
| 1+ | € 15,4400 |
| 10+ | € 15,4400 |
| 25+ | € 14,1595 |
| 50+ | € 13,4173 |
| 100+ | € 12,0012 |
| 250+ | € 10,4517 |
| 500+ | € 9,2383 |
This O-ring 659x4 - NBR - Nitrile - 70 Shore A - Black - ORS203644 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 659mm and a cross-section (CS) of 4mm, 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 659x4 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 659x4 - NBR - Nitrile - 70 Shore A - Black - ORS203644 online from our webshop O-ring-stocks.eu, the Global O-ring Webshop
This NBR - Nitrile O-Ring has a diameter of 659x4 mm and is Black in color. The hardness of this O-ring 659x4 - NBR - Nitrile - 70 Shore A - Black - ORS203644 is 70. Alternative names for the compound are Nitrile Rubber - NBR, and it is commonly produced by Perbunan® | Krynac® | Nipol® | Europrene N® | Breon® | Chemigum® | Nysyn® | Kalar®. The O-Ring is typically used in and has an operating temperature range from -30 ºC to 135 ºC. O-Rings 246227 are referred to as 203644 and have a DIN 3771 size of 659x4. This item is equivalent to and has an approval. The chemical name of this O-Ring is Acrylonitril-Butadiën-Copolymeer / Buna-N.
| In stock | Yes, 164 pcs |
| Article number | 203644 |
| General Specifications | |
| Seal type | O-ring |
| ID (Inner diameter) | 659 mm |
| CS (Cross Section) | 4 mm |
| Dimensions | 659x4 |
| Material | NBR - Nitrile |
| Hardness | 70 |
| Color | Black |
| Compound Number | 107019001 |
| Alternative Sizes | |
| DIN 3771 Size Chart | 659x4 |
| SMS 1586 Size chart | 659 x 4 |
| Size in text | six hundred and fifty-nine millimeters by four millimeters |
| Export specifications | |
| Country of Origin | VN |
| Customs Code | 40169300 |
| Technical Specifications | |
| Temperature Max | 135 ºC |
| Temperature Min | -30 ºC |
| Specific Gravity | 1,28 (+/- 0,03) g/cm3 |
| Compression Set | 11 % |
| Tensile Strength | 14,4 MPa |
| Ultimate Elongation | 389 % |
| Other Specifications | |
| Alternative names | Nitrile Rubber - NBR |
| Chemical Name | Acrylonitril-Butadiën-Copolymeer / Buna-N |
| Description 2 | O-ring 659x4 NBR - Nitrile |
| Product name | O-ring NBR - Nitrile 659x4 |
| Trade names | Perbunan® | Krynac® | Nipol® | Europrene N® | Breon® | Chemigum® | Nysyn® | Kalar® |
| Also found under | |
| NBR - Nitrile O-rings | O-rings | |
All items marked with a * are required.
| Stock | Delivery time |
|---|---|
| 10 | On workingdays before 12:00 ordered, shipped the same day |
| 154 | Shipped in 5 - 7 - Day(s) |
| Quantity | Per piece |
|---|---|
| 1+ | € 15,4400 |
| 10+ | € 15,4400 |
| 25+ | € 14,1595 |
| 50+ | € 13,4173 |
| 100+ | € 12,0012 |
| 250+ | € 10,4517 |
| 500+ | € 9,2383 |
