S-5909K44 0.502" ID x 15/16" OD Washers for Needle-Roller Thrust Bearings

Key Features & Benefits at a Glance

• Precise 0.502" ID ensures a perfect fit for 1/2" shafts, minimizing vibration and preventing component misalignment
• Tight tolerance control (ID: 0" to 0.01", OD: -0.03" to -0.01") guarantees consistent performance in high-precision assemblies
• Durable steel construction provides excellent load distribution and long-term reliability in demanding industrial environments
• RoHS 3 & REACH compliance ensures environmental safety and global regulatory acceptance for international supply chains
• Optimized 15/16" OD offers superior surface coverage while maintaining compact installation dimensions
• 0.032" thickness with controlled tolerance maintains uniform pressure distribution without adding unnecessary bulk
• Standard inch dimensions facilitate easy integration with existing 1/2" shaft systems and replacement part inventories

Professional Applications & Engineering Value

This precision steel washer solves critical engineering challenges in industrial machinery and mechanical systems where 1/2" shaft applications demand reliable performance. The carefully controlled inner diameter tolerance (0" to 0.01") eliminates play and prevents fretting corrosion, while the outer diameter tolerance (-0.03" to -0.01") ensures proper seating without interference. Made from robust steel material, these mechanical washers withstand heavy loads and repetitive stress in automotive, manufacturing, and construction equipment. The RoHS and REACH compliant construction makes them suitable for global projects requiring environmental compliance, while the 0.032" thickness provides optimal load distribution without compromising space constraints in compact assemblies.

Specification Summary & Compliance

This precision washer features exact dimensional specifications including 0.502" inner diameter (tolerance: 0" to 0.01"), 15/16" outer diameter (tolerance: -0.03" to -0.01"), and 0.032" thickness (tolerance: -0.002" to 0"). Manufactured to inch system standards for 1/2" shaft applications, the washer complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and international market acceptance. The tight tolerance control ensures reliable performance in precision mechanical assemblies requiring consistent dimensional accuracy.