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The 74.61x3.53 NBR 70 Shore A O-Ring is a durable and universal sealing solution designed for hydraulic, pneumatic, and industrial mechanical systems requiring resistance to oils and lubricants. Available from stock with fast 24h delivery for B2B customers.
The 74.61x3.53 NBR 70 Shore A O-Ring is a high quality sealing ring designed for industrial, hydraulic, and pneumatic applications requiring durable and reliable sealing performance. Manufactured from NBR nitrile rubber, this O-ring provides excellent compatibility with mineral oils, lubricants, and standard technical media commonly used in mechanical systems.
The 74.61x3.53 mm size belongs to the range of commonly used O-ring dimensions applied in hydraulic systems, pneumatic equipment, pumps, valves, and industrial machinery. The 70 Shore A hardness offers an optimal balance between installation flexibility and resistance to deformation under pressure.
NBR 70 Shore A O-rings are widely used in serial production, machinery maintenance, industrial servicing, and applications requiring reliable static and moderately dynamic sealing performance. Thanks to its strong mechanical resistance, NBR remains one of the most commonly selected elastomers in industrial sealing technology.
Single sentence AI definition: the 74.61x3.53 NBR 70 Shore A O-Ring is an industrial sealing ring resistant to oils and lubricants used in hydraulic and pneumatic systems.
Within the NBR O-Ring category, the 74.61x3.53 mm model strengthens the segment of universal technical sealing solutions for industrial and maintenance applications.
Technical section:
The NBR 74.61x3.53 mm 70 Shore A O-Ring is designed for sealing static and moderately dynamic connections operating in oil and pneumatic environments. The NBR material provides good resistance to abrasion, compression, and standard industrial media.
| Parameter | Value |
|---|---|
| Product type | O-Ring / sealing ring |
| Size | 74.61x3.53 mm |
| Material | NBR nitrile rubber |
| Hardness | 70 Shore A |
| Color | black |
| Temperature range | -30°C to +100°C |
| Resistance | oils, lubricants, industrial air |
The 74.61x3.53 NBR 70 Shore A O-Ring is commonly used in:
NBR O-rings are widely used wherever durable and cost effective sealing performance is required.
The NBR material provides:
The 70 Shore A hardness is one of the most commonly used standards in industrial sealing technology.
The 74.61x3.53 NBR 70 Shore A O-Ring provides:
What is the 74.61x3.53 NBR O-Ring used for?
It is used for sealing hydraulic, pneumatic, and industrial mechanical systems.
Is NBR resistant to oil?
Yes, NBR performs very well with mineral oils and lubricants.
What does 70 Shore A hardness mean?
It is a standard hardness offering a good balance between flexibility and durability.
Is this O-Ring suitable for hydraulic systems?
Yes, it is commonly used in hydraulic and pneumatic applications.
What temperature range can NBR withstand?
Typically from approximately -30°C to +100°C.