O-ring 3x1.25 NBR

Product description and construction

O-ring 3x1.25 NBR 70 Shore is a high-quality industrial sealing ring designed for demanding technical applications. Manufactured from nitrile rubber (NBR), it offers excellent resistance to oils, fuels and many industrial chemicals. Dimensions: ID 3 mm, cross-section 1.25 mm, hardness 70 Shore A. The product is supplied in an economical pack of 100 pieces, ideal for industrial maintenance departments, production plants and wholesale customers.

Industrial applications and performance

This technical rubber seal is widely used in hydraulic and pneumatic systems, pumps, valves, actuators, bearing housings and various machines operating in industrial environments. The material hardness ensures the right balance between flexibility and mechanical durability, providing long-term leakage protection. Thanks to compact dimensions and material strength, the o-ring guarantees reliability even in restricted mounting spaces and dynamic sealing systems.

Key functional advantages include long service life, compatibility with mineral oils and automatic lubrication fluids, high abrasion resistance and stability in operational temperatures common to industrial automation and mechanical engineering.

Main SEO-optimized description

O-ring 3x1.25 NBR 70 Shore, supplied in a pack of 100 pieces, is a professional sealing component dedicated to industrial hydraulic and pneumatic systems. The high-performance nitrile rubber compound ensures resistance to oils, fuels, grease and many chemical fluids, making this product suitable for harsh working conditions. The dimension 3 mm internal diameter and 1.25 mm cross-section make it compatible with a broad range of mechanical assemblies, including bearing housings, service components and machine repair operations.

The 70 Shore A hardness provides an optimal balance between sealing flexibility and structural strength, enabling effective static and dynamic sealing solutions. The 100-piece set brings purchasing efficiency, maintenance reliability, reduction of downtime and simplified stock management for B2B customers. Optimized keyword variations included naturally: o-ring, rubber seal, technical sealing, industrial sealing, NBR o-ring, hydraulic and pneumatic sealing.

FAQ

Q1: What material is the o-ring made of?
A1: It is manufactured from high-quality NBR (nitrile-butadiene rubber) with hardness 70 Shore A, resistant to oils and fuels.

Q2: What are the typical applications?
A2: Hydraulic and pneumatic systems, pumps, valves, industrial machinery, bearing housings and general technical sealing use.

Q3: What does the size 3x1.25 mm mean?
A3: 3 mm is the internal diameter and 1.25 mm is the cross-section thickness.

Q4: What is included in the packaging?
A4: Pack of 100 pieces for industrial and maintenance needs.

Q5: What are the operating advantages of NBR?
A5: High resistance to oils, fuels, abrasion and pressure variations, making it ideal for demanding industrial environments.