S-5909K47 0.877" ID x 1 7/16" OD Washers for Needle-Roller Thrust Bearings

Key Features & Benefits at a Glance

• Superior Load Distribution - The 1 7/16" outer diameter provides a wide bearing surface, effectively spreading pressure and preventing surface damage to connected components.
• Precision Fit for Enhanced Stability - Engineered with a 0.877" inner diameter for a secure, snug fit on 7/8" shafts, minimizing play and vibration in the assembly.
• Exceptional Durability and Corrosion Resistance - Made from robust steel, this washer offers long-term reliability and strength in demanding mechanical environments.
• Guaranteed Dimensional Consistency - Tight manufacturing tolerances on ID, OD, and thickness ensure uniform performance and easy installation across high-volume production runs.
• Compliance with Global Environmental Standards - Meets RoHS 3 and REACH regulations, making it suitable for international supply chains and environmentally conscious projects.
• Optimized for Heavy-Duty Applications - The specific design and material make it ideal for absorbing shock, managing thermal expansion, and providing reliable performance under stress.

Professional Applications & Engineering Value

This precision steel washer is engineered to solve critical challenges in industrial assembly and machinery. Its specific 0.877" ID is designed for a perfect match with 7/8" shafts, eliminating misalignment and reducing wear on rotating components. The steel material provides the necessary strength to handle high clamp loads and resist deformation, which is vital in heavy-duty applications such as automotive systems, agricultural machinery, and construction equipment. The tight dimensional tolerances ensure that every washer performs consistently, reducing the risk of assembly errors and downtime. By maintaining integrity under vibration and load, this component extends the service life of the entire assembly, delivering significant engineering value through improved reliability and reduced maintenance needs.

Specification Summary & Compliance

This washer features precise dimensional specifications: Inner Diameter of 0.877" (tolerance 0" to +0.01"), Outer Diameter of 1 7/16" (tolerance -0.03" to -0.01"), and Thickness of 0.032" (tolerance -0.002" to 0"). It is manufactured to exacting standards for use with a 7/8" shaft diameter. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated markets and environmentally sensitive applications.