S-90391A147 180 mm ID x 242 mm OD DIN 5406 Spring Lock Washers for Slotted Bearing Nuts

Key Features & Benefits at a Glance

• Exceptional vibration resistance through conical spring design that maintains constant tension under dynamic loads
• Superior anti-loosening performance with external teeth that bite into mating surfaces for secure fastening
• Precise bearing nut retention with chamfered face style that ensures proper seating and alignment
• Reliable industrial durability made from quality steel construction for long service life
• Guaranteed dimensional accuracy manufactured to strict DIN 5406 and DIN 981 standards
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for global applications
• Optimized for M180 screw systems with 180mm ID and 242mm OD for perfect fit in heavy-duty assemblies

Professional Applications & Engineering Value

This M180 spring lock washer delivers critical engineering solutions for industrial applications where vibration-induced loosening compromises system integrity. The conical spring design creates continuous axial pressure that counters relaxation, while the strategically positioned external teeth provide maximum grip on chamfered bearing nut surfaces. Manufactured from high-grade steel and compliant with DIN 5406 and DIN 981 standards, this washer maintains precise dimensional stability in heavy machinery, construction equipment, and industrial bearing assemblies. The combination of 2.5mm thickness and 11.5mm overall height ensures optimal spring action without compromising space constraints, making it ideal for applications demanding reliable vibration resistance and secure fastening under extreme operating conditions.

Specification Summary & Compliance

This spring lock washer features precise metric dimensions including 180mm ID, 242mm OD, and 2.5mm thickness with conical shape and external tooth configuration. Manufactured to DIN 5406 for spring lock washers and DIN 981 for bearing nut applications with chamfered face style. The product maintains dimensional accuracy per German industrial standards and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial markets and environmentally conscious manufacturing operations.