S-5909K93 50.05 mm ID x 70 mm OD Washers for Needle-Roller Thrust Bearings

Key Features & Benefits at a Glance

• Precision-engineered tolerances ensure a perfect fit on 50mm shafts, reducing vibration and misalignment in demanding applications.
• Robust steel construction provides exceptional durability and load distribution, extending the service life of your assemblies.
• Optimized dimensions (50.05mm ID, 70mm OD, 4.0mm Thickness) offer superior surface coverage and reliable performance under heavy loads.
• Strict dimensional control with tight ID, OD, and thickness tolerances guarantees consistent quality and simplifies installation.
• Full RoHS 3 and REACH compliance ensures environmental safety and meets global regulatory standards for industrial components.
• Heavy-duty design is ideal for high-stress environments, preventing fastener loosening and component damage.
• Metric system compatibility allows for seamless integration with international machinery and equipment designs.

Professional Applications & Engineering Value

This precision-grade metric steel washer is engineered to solve critical challenges in industrial assembly, where component failure is not an option. Its 50.05mm inner diameter is specifically designed for a snug fit on 50mm shafts, minimizing play and resisting rotational forces that can lead to equipment downtime. The steel material provides high tensile strength and corrosion resistance, making it suitable for heavy machinery, automotive systems, and conveyor setups. The controlled thickness and OD tolerances ensure uniform pressure distribution, protecting surfaces from galling and deformation. By incorporating this high-tolerance washer, engineers achieve enhanced reliability in mechanical and engineering applications, reducing maintenance cycles and improving overall operational safety.

Specification Summary & Compliance

This washer adheres to precise dimensional specifications: Inner Diameter (ID) of 50.05 mm with a tolerance of 0 mm to +0.25 mm, Outer Diameter (OD) of 70 mm with a tolerance of -0.66 mm to -0.36 mm, and Thickness of 4.0 mm with a tolerance of -0.075 mm to 0 mm. It is manufactured to metric standards for compatibility and performance. 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 meets stringent environmental and safety requirements for industrial use.