High-quality 19x2.5 NBR 90 ShA O-ring - black, oil-resistant sealing ring designed for industrial use under pressure. Supplied in 100 pcs packaging.
The 19x2.5 mm O-ring made of Nitrile Butadiene Rubber (NBR) with a hardness of 90 ShA is a premium sealing solution designed for industrial applications requiring high resistance to mineral oils, fuels, lubricants, and increased mechanical pressure.
Thanks to its high hardness (90 Shore A), this black O-ring is ideal for dynamic and demanding environments such as hydraulics, pneumatics, automotive systems, and machinery manufacturing. Its precise dimensions ensure a reliable fit in standard grooves.
✅ Resistant to abrasion and wear
✅ High hardness - perfect for high-pressure applications
✅ Oil, fuel, grease, water, and air resistance
✅ Temperature range: -30°C to +100°C
✅ Delivered in a practical 100-piece bulk pack
Hydraulic and pneumatic systems
Oil and fuel systems
Automotive industry - engines, gearboxes
General machinery and equipment
Agriculture and construction machinery
| Parameter | Value |
|---|---|
| Size | 19x2.5 mm |
| Material | NBR (Nitrile Butadiene Rubber) |
| Hardness | 90 ShA |
| Color | Black |
| Chemical Resistance | Oils, fuels, greases |
| Temperature Range | -30°C to +100°C |
| Packaging | 100 pieces per pack |
| Product Code | OR-1925-NBR90-100 |
| Category | Technical O-rings - NBR 90 ShA |
1. What is this O-ring used for?
It’s used for sealing connections in hydraulic, pneumatic, and mechanical systems exposed to oil, fuel, or pressure.
2. What does 90 ShA mean?
90 Shore A refers to the rubber’s hardness level - this makes the O-ring suitable for high-pressure and dynamic applications.
3. Is this O-ring oil-resistant?
Yes, NBR material offers excellent resistance to mineral oils, fuels, and industrial lubricants.
4. How many pieces are in one package?
Each pack contains 100 high-quality O-rings.
5. Can it withstand high temperatures?
Yes, it works effectively in a temperature range of -30°C to +100°C.