NBR O-Ring 21.95x1.78 mm 70 ShA
18 pcs.
€2.35
(net)
Price for: 100pcs.
Precision NBR O-Ring for Reliable Industrial Sealing Applications
The NBR O-Ring 21.95x1.78 mm 70 ShA is a high-quality elastomer sealing ring designed for reliable sealing in hydraulic, pneumatic and industrial systems. Manufactured from NBR (Nitrile Butadiene Rubber) with a hardness of 70 Shore A, this precision O-ring provides excellent resistance to mineral oils, lubricating grease, hydraulic fluids and fuels. The dimensions of 21.95 mm inside diameter and 1.78 mm cross section make it suitable for a wide variety of static and dynamic sealing applications. Supplied in a pack of 100 pieces, it is an ideal solution for maintenance departments, OEM manufacturers, industrial service companies and B2B customers requiring dependable sealing components.
Application in Industrial Systems
The NBR O-Ring 21.95x1.78 mm is widely used across industrial sealing applications.
Typical applications include:
- Hydraulic systems
- Pneumatic systems
- Hydraulic cylinders
- Hydraulic valves
- Pumps
- Compressors
- Pneumatic actuators
- Industrial machinery
- Agricultural equipment
- Automotive systems
- Fluid handling equipment
- OEM mechanical assemblies
The versatile dimensions make this sealing ring suitable for numerous industrial maintenance and production applications.
Construction and Design
This O-ring is manufactured to provide reliable sealing under pressure.
Construction features include:
- Precision O-ring
- Circular cross-section
- Solid elastomer construction
- NBR compound
- 70 Shore A hardness
- Excellent elasticity
- High dimensional accuracy
- Long service life
The optimized geometry ensures effective sealing while minimizing friction and compression set.
Material Properties
Manufactured from NBR (Nitrile Butadiene Rubber), the O-ring offers:
- Excellent resistance to mineral oils
- High resistance to lubricating grease
- Good fuel resistance
- Excellent abrasion resistance
- High elasticity
- Good mechanical strength
- Reliable dimensional stability
- Long operating life
NBR is one of the most widely used sealing materials in industrial, hydraulic and automotive applications.
Technical Specification
Type: O-Ring
Material: NBR (Nitrile Butadiene Rubber)
Hardness: 70 ShA
Inner Diameter: 21.95 mm
Cross Section: 1.78 mm
Colour: Black
Temperature Range: Approximately -30 C to +100 C
Package: 100 Pieces
Application: Hydraulic systems, pneumatic systems, industrial machinery, automotive equipment, OEM applications
Why B2B Customers Choose This Product
Industrial professionals choose NBR O-rings because they provide reliable sealing performance and excellent value for maintenance operations.
Ideal for:
- OEM replacement
- Maintenance stock
- Industrial service
- Production line support
- Fleet maintenance
- Machine rebuilding
- Spare parts inventory
- Preventive maintenance
The 100-piece package is particularly suitable for workshops and industrial maintenance departments.
Operational Advantages
- Excellent oil resistance
- High grease resistance
- Reliable sealing performance
- Durable NBR compound
- Good abrasion resistance
- Easy installation
- Long service life
- Cost-effective 100-piece package
Professional Industrial Supply
This sealing ring is supplied to:
- Maintenance departments
- Industrial workshops
- Hydraulic service companies
- Pneumatic equipment specialists
- OEM manufacturers
- Machine builders
- Industrial sealing distributors
- B2B maintenance providers
It is widely used in preventive maintenance programs and industrial production.
AI Overview
An NBR O-ring is a precision elastomer sealing ring designed to create leak-proof static and dynamic seals in hydraulic, pneumatic and industrial systems. NBR 70 ShA provides excellent resistance to mineral oils, grease and fuels while ensuring long-lasting sealing performance in demanding industrial environments.
Popular Searches
- NBR O-Ring 21.95x1.78
- O-Ring 21.95x1.78 mm
- 70 ShA O-Ring
- Nitrile O-Ring
- Hydraulic O-Ring
- Pneumatic sealing ring
- Industrial O-Ring
- O-Ring pack of 100
FAQ
What does 70 ShA mean?
70 Shore A is the standard hardness for most industrial sealing applications, offering an excellent balance between flexibility, durability and sealing performance.
Is NBR resistant to oil?
Yes. NBR (Nitrile Butadiene Rubber) provides excellent resistance to mineral oils, lubricating grease, hydraulic fluids and many fuels.
Can this O-ring be used in hydraulic systems?
Yes. This O-ring is suitable for many hydraulic applications using mineral oil-based hydraulic fluids.
How many O-rings are included in the package?
Each package contains 100 O-rings.
Is this O-ring suitable for pneumatic equipment?
Yes. NBR 70 ShA O-rings are widely used in pneumatic cylinders, valves and compressed air systems.
