S-90131A107 0.875" ID x 2.25" OD Abrasion-Resistant Cushioning Washers
Abrasion-Resistant Cushioning Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration dampening with SBR rubber construction to reduce noise and prevent fastener loosening in dynamic applications.
- Excellent sealing properties to protect against dust, moisture, and air leaks in industrial equipment and assemblies.
- Enhanced durability and tear resistance from polyester fiber filler, extending service life under mechanical stress.
- Reliable performance in high-temperature environments, withstanding up to 170°F without significant degradation.
- Consistent dimensional accuracy with a 0.875" ID and 2.25" OD for a precise fit on 7/8" screws, ensuring proper load distribution.
- Optimal hardness for flexibility and compression with a Durometer 70A rating, providing a secure seal without over-compression.
- Compliance with environmental regulations as RoHS 3 (2015/863/EU) compliant, meeting global standards for safe industrial use.
Professional Applications & Engineering Value
This SBR rubber flat washer is engineered to address common industrial challenges such as vibration-induced fatigue, fluid ingress, and thermal expansion. The black SBR rubber material, reinforced with polyester fiber, offers exceptional resilience and resistance to compression set, making it ideal for heavy-duty applications in machinery, automotive, and HVAC systems. Its 0.875" ID and 2.25" OD ensure a snug fit for 7/8" screw sizes, providing reliable sealing and vibration resistance in environments with temperatures up to 170°F. By minimizing maintenance needs and enhancing assembly integrity, this washer delivers long-term cost savings and operational efficiency for B2B procurement.
Specification Summary & Compliance
This washer features an inner diameter of 0.875", outer diameter of 2.25", and thickness ranging from 0.110" to 0.140", designed for use with 7/8" screw sizes in inch measurement systems. It complies with RoHS 3 (2015/863/EU) standards, ensuring it is free from hazardous substances, and is manufactured to provide consistent performance in industrial settings with a Durometer 70A hardness and maximum temperature rating of 170°F.
