S-5909K987 0.252" ID x 11/16" OD Washers for Needle-Roller Thrust Bearings

Key Features & Benefits at a Glance

• Precise Fit for 1/4" Shafts: Engineered with a 0.252" inner diameter to ensure secure and accurate seating on standard 1/4" shafts, reducing installation errors and improving assembly reliability.
• Optimized Load Distribution: The 11/16" outer diameter provides a wider bearing surface, effectively distributing pressure and preventing surface damage in high-stress applications.
• Durable Steel Construction: Made from robust steel material, offering excellent strength and resistance to wear, ensuring long-term performance in demanding industrial environments.
• Tight Tolerance Control: Manufactured with precise ID (0" to 0.01") and OD (-0.03" to -0.01") tolerances, guaranteeing consistent dimensions and compatibility with mating components.
• Environmental Compliance: Fully compliant with RoHS 3 and REACH regulations, making these washers safe for use in various industries without hazardous substance concerns.
• Versatile Industrial Use: Ideal for mechanical assemblies, machinery, and equipment requiring reliable fastening solutions with inch-based measurements.
• Enhanced Durability: The 0.095" thickness contributes to structural integrity, supporting repeated use and heavy-duty applications without deformation.

Professional Applications & Engineering Value

This precision steel washer is designed to address common engineering challenges in industrial applications, such as misalignment and component wear. With its exact 0.252" inner diameter, it ensures a perfect fit for 1/4" shaft systems, minimizing vibration and loosening in machinery. The tight tolerance specifications (ID: 0" to 0.01", OD: -0.03" to -0.01") enable consistent performance in automated assemblies, reducing downtime and maintenance costs. Made from high-quality steel material, it offers superior strength and corrosion resistance, making it suitable for heavy-duty equipment, automotive systems, and manufacturing tools. Additionally, its compliance with RoHS and REACH standards ensures it meets global environmental regulations, providing a safe and reliable solution for B2B procurement in various sectors.

Specification Summary & Compliance

This washer features precise dimensional tolerances, including an ID tolerance of 0" to 0.01" and OD tolerance of -0.03" to -0.01", ensuring high accuracy for inch-based measurement systems. It is manufactured to standard specifications for 1/4" shaft compatibility and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting sustainable industrial practices.