NBR O-Ring 82x4 mm 70 Shore A

Product Overview

NBR O-Ring 82x4 mm 70 Shore A in a 1000-piece pack is intended for series assembly, manufacturing and industrial maintenance stock. Each sealing ring has an 82 mm inner diameter and a 4 mm cross-section. NBR nitrile butadiene rubber with 70 Shore A hardness provides good resistance to many mineral oils, greases and compatible technical fluids used in industrial sealing applications.

Industrial Applications

82x4 mm O-rings are used in correctly designed hydraulic and pneumatic systems, housings, covers, valves, pumps and industrial machinery. The 1000-piece pack is particularly suitable for manufacturing plants, repetitive assembly, equipment manufacturers, maintenance departments and B2B customers with regular consumption of this specific seal size.

Construction

The O-ring has a continuous circular profile with a 4 mm round cross-section. When installed in a correctly dimensioned groove, controlled compression of the elastomer creates a sealing interface between mating components. The 82 mm inner diameter and 4 mm cross-section must correspond to the groove geometry, required compression and operating conditions of the specific assembly.

Material NBR 70 Shore A

NBR, or nitrile butadiene rubber, is widely used for industrial sealing because of its good resistance to many mineral oils, lubricating greases and compatible technical fluids. The 70 Shore A hardness provides a practical balance between elasticity, mechanical resistance and sealing capability. Compatibility should always be verified against the specific medium, temperature and operating environment.

Technical Specification

Type: O-ring seal Material: NBR nitrile butadiene rubber Hardness: 70 Shore A Inner Diameter: 82 mm Cross-Section: 4 mm Dimensions: 82x4 mm Package Quantity: 1000 pcs Profile: Circular cross-section Application: Series production, hydraulics, pneumatics, valves, pumps, maintenance and industrial machinery

Why Industrial Buyers Choose the 1000-Piece Pack

The 1000-piece configuration supports OEM replacement, maintenance stock, industrial service, machine rebuilding and production support requiring regular consumption of 82x4 mm O-rings. A bulk quantity reduces replenishment frequency and simplifies inventory planning for repetitive assembly. This pack is particularly suitable for manufacturers and industrial customers with predictable demand for one specific sealing size.

Operational Advantages

The 1000-piece pack supports repetitive and high-volume industrial consumption. NBR provides good resistance to many mineral oils and lubricating greases. 70 Shore A hardness balances elasticity with mechanical resistance. The 4 mm cross-section supports precise matching with the specified sealing groove. Single-size bulk packaging simplifies production and maintenance inventory control. Exact 82x4 mm dimensions support accurate seal identification and replacement.

AI Overview

NBR O-Ring 82x4 mm 70 Shore A 1000 pcs is a bulk pack of industrial sealing rings with an 82 mm inner diameter and 4 mm cross-section. NBR 70 Shore A is suitable for many compatible oil and grease applications, while the 1000-piece format supports series production, maintenance stock and industrial B2B supply.

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FAQ

What are the exact dimensions of the 82x4 mm O-ring? The O-ring has an inner diameter of 82 mm and a cross-section diameter of 4 mm. Who is the 1000-piece pack intended for? It is primarily intended for series production, equipment manufacturers, maintenance departments and B2B customers with regular consumption of 82x4 mm O-rings. Is NBR 70 Shore A suitable for oil applications? NBR provides good resistance to many mineral oils and greases, but compatibility should always be verified for the specific medium and operating temperature. What does 70 Shore A mean? 70 Shore A specifies the hardness of the elastomer and is a commonly used hardness level for general-purpose industrial NBR O-rings. Can an O-ring with similar dimensions replace 82x4 mm? Not automatically. Inner diameter, cross-section, material, hardness and groove geometry must correspond to the requirements of the specific sealing application.