S-90131A624 2.125" ID x 3.75" OD Abrasion-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior Sealing Performance with Durometer 70A hardness, ensuring reliable, long-lasting seals against dust, moisture, and contaminants in industrial environments.
• Enhanced Durability and Tear Resistance due to polyester fiber reinforcement, extending service life under mechanical stress and repeated use.
• Excellent Chemical Resistance from SBR rubber material, protecting against oils, solvents, and harsh substances common in manufacturing and processing applications.
• Wide Temperature Tolerance up to 170°F, maintaining flexibility and sealing integrity in varying thermal conditions without degradation.
• Precise Fit for 2" Screws with a 2.125" ID and 3.75" OD, providing optimal alignment and load distribution in inch-based assembly systems.
• Regulatory Compliance Assurance with RoHS 3 and REACH standards, guaranteeing safety and environmental responsibility for global industrial supply chains.
• Cost-Effective Maintenance through reduced replacement needs, thanks to the combination of fiber filler and rubber elasticity that resists compression set.

Professional Applications & Engineering Value

This SBR rubber flat washer is engineered to address common industrial challenges like vibration loosening, fluid leakage, and material degradation. The polyester fiber reinforcement significantly boosts tensile strength, preventing deformation under high pressure in machinery, automotive, and plumbing systems. Its Durometer 70A hardness offers an ideal balance of flexibility and firmness, creating effective seals in 2" screw applications while resisting chemicals and temperatures up to 170°F. By utilizing inch system measurements (2.125" ID x 3.75" OD), it ensures compatibility with standard components, reducing installation errors and enhancing operational reliability in demanding environments.

Specification Summary & Compliance

This washer adheres to precise dimensional tolerances for inch-based systems, with an inner diameter of 2.125", outer diameter of 3.75", and thickness ranging from 0.219" to 0.281". It conforms to industry standards for SBR rubber material with Durometer 70A hardness and includes polyester fiber filler for improved performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety requirements for industrial use.