S-5909K91 35.05 mm ID x 52 mm OD Washers for Needle-Roller Thrust Bearings

Key Features & Benefits at a Glance

• Precise 35mm shaft compatibility with 35.05mm ID and controlled tolerance for secure, vibration-resistant mounting in industrial assemblies.
• Enhanced load distribution due to the 52mm outer diameter, minimizing surface pressure and preventing damage to connected components.
• Consistent 3.5mm thickness with tight tolerance ensures uniform clamping force and reliable performance in stacked or high-stress applications.
• Durable steel construction provides excellent strength and corrosion resistance, extending service life in demanding environments.
• Full RoHS 3 & REACH compliance guarantees safe, environmentally responsible use, meeting strict international regulatory standards for hazardous substances.
• Metric system alignment ensures seamless integration with global machinery and equipment specifications, simplifying procurement and replacement.
• Optimized for heavy-duty use, this flat washer design offers reliable performance in automotive, machinery, and construction applications.

Professional Applications & Engineering Value

This metric steel washer is engineered to address common industrial challenges such as component misalignment, surface damage, and fastener loosening under dynamic loads. Its 35.05mm internal diameter with a precise tolerance range ensures a perfect fit on standard 35mm shafts, eliminating play and reducing wear. The 52mm outer diameter effectively distributes clamping force over a wider area, protecting sensitive surfaces from indentation and deformation. Made from robust steel, it withstands high-stress conditions in industrial applications like machinery assembly, automotive systems, and heavy equipment. The RoHS 3 and REACH compliance further assures that it meets environmental and safety regulations, making it a reliable choice for global supply chains and precision engineering projects requiring consistent, durable hardware.

Specification Summary & Compliance

This washer adheres to precise dimensional tolerances: ID 0mm to +0.25mm, OD -0.64mm to -0.34mm, and Thickness -0.075mm to 0mm, ensuring high accuracy for metric fittings. It is manufactured from steel and designed for 35mm shaft diameters, conforming to standard industrial requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting sustainable, safe usage in various sectors.