O-Ring NBR 20x5 mm

NBR O-Ring 20x5, Hardness 70 Shore A - Bulk Pack of 1000

General Description
The O-Ring 20x5 NBR 70 ShA - Rubber Seal (1000 pcs) is a cost-effective and reliable sealing solution for industrial plants, machine manufacturers, workshops and service centers. Designed for oil, hydraulic and automotive applications, this bulk set guarantees durability and consistent performance.

Dimensions & Material

• Inside Diameter (ID): 20 mm

• Cross Section (CS): 5 mm

• Material: NBR (Nitrile Rubber)

• Hardness: 70 Shore A

Key Features & Benefits

• Excellent resistance to oils, fuels, lubricants and hydraulic fluids.

• High elasticity & recovery - ensures reliable sealing over time.

• Bulk pack of 1000 pcs - perfect for B2B customers, production lines, and service kits.

• Cost-efficient per unit thanks to wholesale packaging.

• Wide application range in pumps, cylinders, valves, shafts, automotive and industrial assemblies.

Typical Applications

• Hydraulic systems (cylinders, pumps, valves)

• Fuel and lubrication systems

• Maintenance and repair kits

• Sealing static and dynamic connections

Temperature & Limitations
NBR 70 typically operates from -30 °C to +100 °C (up to +125 °C depending on the compound). Not recommended for strong acids, solvents, ozone or very high-temperature conditions.

FAQ - Frequently Asked Questions

1. Why choose a 1000 pcs pack?
It’s the most cost-efficient option for B2B customers, workshops and manufacturers who use large volumes of O-Rings.

2. Is the 20x5 NBR 70 O-Ring oil-resistant?
Yes, NBR 70 offers excellent resistance to mineral oils, fuels and greases.

3. What is the temperature range?
Standard range: -30 °C to +100 °C, with short peaks up to +125 °C.

4. Can it be used in high-pressure applications?
Yes, but for very high pressures additional backup rings may be required.

5. How do I select the right size?
Check groove dimensions: ID 20 mm, CS 5 mm. If they match, this O-Ring will fit.