S-90131A655 2.125" ID x 4.5" OD Abrasion-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior sealing performance with SBR rubber construction, ideal for preventing leaks and reducing vibration in industrial setups.
• Enhanced durability and load distribution thanks to polyester fiber reinforcement, minimizing wear and extending service life.
• Consistent flexibility and compression resistance with Durometer 70A hardness, ensuring reliable performance under pressure.
• High-temperature resilience up to 170°F, making it suitable for demanding environments without degradation.
• Precise fit for 2" screw sizes with 2.125" ID and 4.5" OD, providing easy installation and secure fastening in inch-based systems.
• Eco-friendly and safe compliance with RoHS 3 and REACH standards, meeting strict regulatory requirements for industrial use.
• Versatile black color and flat design for easy identification and compatibility across various machinery and equipment.

Professional Applications & Engineering Value

This SBR rubber flat washer is engineered to address common industrial challenges such as fluid leakage, vibration-induced loosening, and thermal expansion in machinery. The polyester fiber filler reinforces the structure, enhancing tensile strength and preventing deformation under heavy loads, which is critical in applications like automotive assemblies, plumbing systems, and heavy equipment. With a Durometer 70A hardness, it maintains optimal flexibility for effective sealing without compromising on durability, while the black SBR material offers resistance to oils and weathering. Ideal for use in high-temperature environments up to 170°F, this washer ensures long-term reliability in industrial washers and sealing applications, reducing maintenance downtime and improving operational safety.

Specification Summary & Compliance

This washer adheres to inch system measurements with an ID of 2.125", OD of 4.5", and thickness ranging from 0.156" to 0.218", designed for a 2" screw size. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial standards. The manufacturing process focuses on consistent dimensional accuracy and material integrity, supporting reliable performance in various engineering applications.