S-5909K66 1.377" ID x 2 1/16" OD Washers for Needle-Roller Thrust Bearings

Key Features & Benefits at a Glance

• Precise dimensional control ensures perfect fit for 1-3/8" shafts, eliminating play and vibration in industrial assemblies
• Heavy-duty steel construction provides exceptional load distribution and long-term durability under demanding conditions
• Tight tolerance manufacturing (±0.01" ID, ±0.03" OD) guarantees consistent performance and reliable installation
• Full regulatory compliance with RoHS 3 and REACH standards ensures environmental safety and global market acceptance
• Optimized thickness design (0.126") maintains structural integrity while minimizing assembly height requirements
• Standard inch dimensions make this washer compatible with existing North American industrial equipment and specifications

Professional Applications & Engineering Value

This precision steel washer addresses critical engineering challenges in heavy machinery, automotive, and industrial equipment applications. The precisely controlled 1.377" inner diameter creates a secure interface with 1-3/8" shafts, preventing component misalignment and reducing wear patterns that compromise equipment lifespan. The steel material provides excellent compressive strength, effectively distributing bearing loads and preventing surface deformation in high-stress environments. With tight dimensional tolerances across all parameters, this washer ensures predictable performance in automated assembly processes and reduces maintenance downtime. The combination of robust construction and exacting specifications makes this component ideal for industrial applications requiring reliable load distribution and long-term operational stability.

Specification Summary & Compliance

This steel washer features precise inch dimensions with ID tolerance of 0" to +0.01", OD tolerance of -0.03" to -0.01", and thickness tolerance of -0.003" to 0". Manufactured to industrial standards for flat washers, the component demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial supply chains.