S-5909K86 17.032 mm ID x 30 mm OD Washers for Needle-Roller Thrust Bearings

Key Features & Benefits at a Glance

• Precision fit for 17mm shafts with controlled internal diameter tolerance (0-0.18mm) ensuring secure component alignment and vibration resistance
• Superior load distribution through 30mm outer diameter design, minimizing surface pressure and preventing material deformation
• Consistent thickness control (2.75mm ±0.06mm) maintains uniform clamping force across assembly surfaces
• Heavy-duty steel construction provides excellent mechanical strength and long-term durability in demanding applications
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in regulated industrial environments
• Optimized dimensional stability through tight OD tolerance control (-0.51mm to -0.3mm) for reliable performance in precision assemblies
• Metric system compatibility enables seamless integration with international equipment and machinery standards

Professional Applications & Engineering Value

This precision metric steel washer delivers exceptional engineering value through its carefully controlled dimensions and robust steel material construction. The 17.032mm internal diameter with tight tolerance ensures perfect alignment on 17mm shafts, eliminating play and reducing wear in rotating assemblies. The generous 30mm outer diameter provides superior load distribution, protecting sensitive components from surface damage while the consistent 2.75mm thickness maintains proper clamping force in bolted connections. These high-tolerance washers solve critical industrial challenges including vibration-induced loosening, surface deformation, and assembly misalignment in machinery, automotive, and heavy equipment applications where precision steel washers are essential for reliable long-term performance.

Specification Summary & Compliance

This metric steel washer features precise dimensional specifications including 17.032mm ID (0-0.18mm tolerance), 30mm OD (-0.51mm to -0.3mm tolerance), and 2.75mm thickness (-0.06mm to 0mm tolerance). Manufactured to exacting standards for use with 17mm shafts, the washer complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors while maintaining consistent quality and performance reliability.