S-5909K989 0.5" ID x 15/16" OD Washers for Needle-Roller Thrust Bearings

Key Features & Benefits at a Glance

• Superior dimensional stability with tight ID tolerance (0.002" to 0.012") ensures precise fit and reduces assembly play on 1/2" shafts.
• Robust steel construction provides excellent load distribution and resistance to deformation under high-stress industrial applications.
• Optimized OD and thickness tolerances (OD: -0.03" to -0.01", Thickness: -0.003" to 0") guarantee consistent performance and ease of installation.
• Engineered for 1/2" shaft compatibility to prevent misalignment and extend the service life of connected components.
• Full RoHS 3 and REACH compliance ensures safe use in regulated environments and global market acceptance.
• Heavy-duty durability from precision manufacturing supports reliable operation in demanding machinery and equipment.
• Accurate inch system sizing (0.5" ID, 15/16" OD, 0.063" Thickness) facilitates seamless integration with standard imperial components.

Professional Applications & Engineering Value

This precision steel washer is specifically engineered to address common industrial challenges such as component wear, vibration loosening, and shaft misalignment in 1/2" shaft applications. The tight dimensional tolerances on the ID, OD, and thickness ensure a secure fit, minimizing radial movement and distributing loads evenly to prevent surface damage. Made from high-quality steel material, it offers superior strength and corrosion resistance, making it ideal for heavy-duty industrial washers used in automotive assemblies, machinery frames, and power transmission systems. By incorporating RoHS and REACH compliant materials, it meets stringent environmental regulations without compromising on performance, providing a reliable solution for OEMs and maintenance teams in global supply chains.

Specification Summary & Compliance

This washer adheres to precise inch system measurements with an ID of 0.5" (tolerance: 0.002" to 0.012"), OD of 15/16" (tolerance: -0.03" to -0.01"), and thickness of 0.063" (tolerance: -0.003" to 0"). It is designed for 1/2" shaft diameter applications, ensuring accurate fit and function. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, confirming its suitability for use in regulated industrial and commercial settings without hazardous substances.