O‑Ring 198x4 NBR 70 ShA - (ID 198 mm, CS 4 mm)

O‑Ring 198x4 NBR 70 ShA - Nitrile Rubber Sealing Ring (ID 198 mm, CS 4 mm)

The O‑Ring 198x4 NBR 70 ShA is a high-quality metric sealing ring crafted from nitrile rubber (NBR) with a hardness of 70 Shore A, measuring inner diameter 198 mm and cross‑section 4 mm. Manufactured according to DIN 3771 size standard, this O‑ring excels in sealing applications across hydraulic, pneumatic, automotive, and industrial sectors.

Designed for excellent resistance to mineral oils, fuels, lubricants, and many chemicals, it maintains optimal elasticity and compression recovery across a temperature range of approximately -30 °C to +100 °C, with occasional tolerance up to +135 °C depending on medium ●turn0search0●turn0search2●.

Available in loose sale or economic bulk packaging (e.g. packs of 100) — ideal for industrial procurement.

Key Features:

• Material: NBR (Acrylonitrile Butadiene Rubber), hardness 70 ShA

• Size: Standard metric (ID 198 mm x CS 4 mm) - fits grooves made for O‑ring size 198x4 per DIN 3771 ●turn0search21●turn0search0●

• Chemical & Oil Resistance: Highly resistant to oils, hydraulic fluids, fuels, and moderate chemicals

• Temperature Range: -30 °C to +100 °C (short-term up to +135 °C) ●turn0search0●turn0search2●

• Performance: Excellent compression set characteristics, tear resistance, durable in both static and dynamic seals

• Packaging Options: Available singly or in bulk (e.g. 100 pcs), supporting B2B efficiency

SEO Keywords in Text

“O‑ring 198x4 NBR”, “NBR 70 ShA sealing ring”, “198x4 mm O-ring”, “metric O-ring NBR”, “oil‑resistant o‑ring”, “nitrile sealing ring”, “simmering.pl sealing solutions”, “24h shipping Lublin”

FAQ - Frequently Asked Questions

What is the use of an O‑Ring 198x4 NBR 70 ShA?
A versatile radial sealing ring widely used in hydraulic cylinders, pumps, valves, and static joints where oil and chemical resistance is needed.

Why choose NBR with 70 ShA hardness?
It provides an optimal balance of flexibility, abrasion resistance, and durability for oil and fuel exposure.

What temperature range does it support?
Standard operating range is −30 °C to +100 °C; short-term exposure up to +135 °C may be tolerated depending on medium and stress conditions ●turn0search0●turn0search6●.

Does it conform to any industry standard?
Yes — designed to standard metric size 198x4 mm per DIN 3771 and is widely cross-referenced by suppliers globally ●turn0search0●turn0search21●.

In which packaging is it available?
Available as single items or in bulk packs (e.g. 100 pieces), enabling cost-effective procurement for industrial use.

Applications & Benefits

• ✅ Oil-, fuel- and chemical-resistant sealing in hydraulic and pneumatic systems

• ✅ Robust under static and dynamic conditions thanks to NBR elasticity and compression set

• ✅ Globally recognized standard size (198x4) simplifies replacement and inventory

• ✅ Flexible retail or bulk packaging for effective B2B projects

• ✅ Immediate availability and fast delivery from the Lublin warehouse

This SEO-focused product description embeds key phrases like “O‑ring 198x4 NBR”, “metric O-ring 70 ShA”, and “oil‑resistant sealing ring”, delivering unique, technical content ready to position simmering.pl as a market-leading B2B supplier.