O-ring 50x3 NBR

50x3 mm NBR 70 Shore A rubber seal | industrial O-ring bulk pack

Overview
The O-ring 50x3 NBR 70 ShA is a high-quality sealing ring made from nitrile rubber (NBR) with hardness 70 Shore A. Supplied in a bulk pack of 100 pcs, ideal for industrial, maintenance, and large-scale usage.

Key features & benefits

• Dimensions: internal diameter 50 mm, cross-section 3 mm

• Material: NBR (nitrile rubber) — excellent balance of mechanical strength and flexibility

• Hardness: 70 ShA — optimal for many sealing applications

• Chemical resistance: very good resistance to mineral oils, lubricants, fuels, hydraulic fluids

• Operating temperature range: typically -30 °C to +100 °C (brief exposure up to +120 °C possible)

• Durability: low compression set, good wear resistance, aging stability

• Applications: hydraulic systems, pneumatic systems, pumps, engines, valves, industrial machinery

• Packaging: 100 pcs per pack — cost efficient and easy stock management

• Warehouse location: Lublin, ul. Smoluchowskiego 1, building 4 — ensures 24h delivery to minimize downtime

Search keywords & phrases integrated
In this description, common search terms like “O-ring 50x3”, “50x3 NBR 70 ShA”, “nitrile rubber O-ring”, “industrial O-ring bulk pack”, “oil-resistant O-ring 50x3”, “sealing ring 50x3 mm” are used to improve visibility and match user search intent.

Sample sentences using key search phrases

• “The O-ring 50x3 NBR 70 ShA is widely used in industrial machinery for sealing oil and fuel circuits.”

• “Choose our nitrile rubber O-ring 50x3 in a 100 pcs pack for maintenance and spare parts inventory.”

• “This oil-resistant O-ring 50x3 offers reliable sealing even in contact with lubrication fluids.”

FAQ (Frequently Asked Questions)

1. What is the purpose of O-ring 50x3 NBR 70 ShA?
It serves as a sealing element in machinery, pumps, hydraulic and pneumatic systems, especially where resistance to oils and lubricants is needed.

2. What temperature range can it withstand?
Standard operating range: -30 °C to +100 °C. In certain conditions, brief exposure to +120 °C may be acceptable.

3. Is NBR 70 O-ring resistant to fuels and oils?
Yes — nitrile rubber (NBR) exhibits very good resistance to mineral oils, greases, fuels, and hydraulic fluids.

4. Can I order smaller quantities than 100 pcs?
Standard packaging is 100 pcs. For special orders or different packaging, please contact our sales team.

5. How should I store these O-rings?
Keep in a cool, dry place, in the original packaging, away from UV, ozone, and heat sources.

6. Do you offer express delivery?
Yes — 24h delivery from our warehouse in Lublin (📍 Smoluchowskiego 1, building 4), for quick order fulfillment.