S-5909K298 40.05 mm ID x 60 mm OD Washers for Needle-Roller Thrust Bearings

Key Features & Benefits at a Glance

• Optimized shaft compatibility with 40.05mm ID and controlled tolerance for reliable fit and reduced vibration on 40mm shafts
• Enhanced load distribution from the 60mm OD design, minimizing surface pressure and preventing component embedding
• Consistent performance ensured by precise 3.5mm thickness with tight tolerance for uniform clamping force
• Long-term reliability with steel construction providing excellent strength and resistance to deformation under stress
• Regulatory compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Dimensional stability through strict OD and ID tolerances, ensuring repeatable assembly accuracy
• Versatile industrial application suitable for machinery, automotive, and heavy equipment where precision spacing is critical

Professional Applications & Engineering Value

This metric steel washer is engineered to address common assembly challenges in industrial applications requiring precise shaft mounting. The 40.05mm ID with controlled tolerance ensures a secure fit on 40mm shafts, eliminating play and reducing wear from micro-movements. The 60mm OD provides an optimal bearing surface, distributing loads effectively to prevent surface damage to connected components. Manufactured from high-grade steel, this precision washer maintains its structural integrity under heavy loads and repetitive stress, making it ideal for mechanical assemblies, automotive systems, and industrial machinery where vibration resistance and dimensional accuracy are paramount. The compliant surface treatment and material composition further ensure compatibility with stringent industry regulations.

Specification Summary & Compliance

This washer features precise dimensional tolerances: ID 40.05mm (0 to +0.25mm), OD 60mm (-0.64mm to -0.34mm), and Thickness 3.5mm (-0.075mm to 0mm), adhering to metric standard specifications for engineering applications. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material transparency for global industrial use.