1.9 mm Cross Section Polyurethane O-Rings

Due to the wide range of sizes, colors are shipped at random based on available stock. Available colors include red, natural, translucent, black, blue, green, and yellow. If you have any questions or color preferences, please contact the seller before placing your order.

Product Overview

Polyurethane O-Rings with a 1.9 mm cross section provide excellent wear resistance, high tensile strength and reliable sealing performance for demanding industrial applications. Compared with standard rubber O-rings, polyurethane offers superior abrasion resistance and durability, making these sealing rings suitable for dynamic sealing environments.

Size Selection

Select size by:

Inside Diameter (ID) × Cross Section (CS)

Example:

(OD = ID + 2 × CS)

Key Features

• 1.9 mm cross section design for compact sealing applications
• High wear resistance for dynamic and reciprocating sealing
• Excellent tensile strength and tear resistance
• Good resistance to hydraulic oils and mechanical stress
• Long service life in harsh working conditions
• Available in custom sizes and production quantities

Applicati ons

Industrial Applications

• Hydraulic cylinders
• Pneumatic equipment
• Automotive systems
• Industrial machinery
• Pumps and valves
• Mechanical sealing assemblies

Specification

• Material: Polyurethane (PU)
• Cross Section: 1.9 mm
• Hardness: 75A / 85A / 90A / 95A (optional)
• Color: Red, Natural, Translucent, Black, Bue, Green or Custom
• Working Temperature: -40°C to +90°C (depending on grade)
• Application: Dynamic and static sealing

Why Choose Polyurethane O-Rings?

Polyurethane O-rings offer significantly higher wear resistance than standard rubber sealing rings while maintaining excellent elasticity and sealing performance. Their superior mechanical strength makes them ideal for high-pressure systems and applications involving reciprocating or dynamic motion, reducing maintenance frequency and extending equipment service life.

Related Sizes

Looking for another cross section?

• 1 mm Cross Section Polyurethane O-Rings
• 1.5 mm Cross Section Polyurethane O-Rings
• 1.78 mm Cross Section Polyurethane O-Rings
• 1.8 mm Cross Section Polyurethane O-Rings
• 1.9 mm Cross Section Polyurethane O-Rings
• 2 mm Cross Section Polyurethane O-Rings
• 2.4 mm Cross Section Polyurethane O-Rings
• 2.5 mm Cross Section Polyurethane O-Rings
• 2.65 mm Cross Section Polyurethane O-Rings
• 3.1 mm Cross Section Polyurethane O-Rings
• 3.5 mm Cross Section Polyurethane O-Rings
• 4 mm Cross Section Polyurethane O-Rings