18 products
WI Series Bearing Lockwashers – 16 TPI
The WI series is the fractional-bore lockwasher matched to the NI and BHI 16 threads-per-inch locknuts. Bores follow fractional inch shaft sizes rather than the bearing-thread series, which is what makes it the right washer for 16 TPI National Fine shafting.
WI Series Specifications
- Part numbers: WI-01 through WI-18 (18 sizes stocked)
- Bore / shaft size: 0.797 in to 2.797 in
- Outside diameter: 1.563 in to 3.938 in
- Material & temperature: Carbon steel, black oxide finish; 300°F maximum operating temperature
- Standards: ANSI/ABMA 8.2-1999; made in USA, RoHS compliant
Applications
Locking 16 TPI locknuts on fractional-bore shafting in machine tools, spindles and rebuilt drives.
Related Whittet-Higgins Series
- NI Series Bearing Locknuts – Inch, 16 TPI
- BHI Series BEARHUG Locknuts – 16 TPI
- W Series Bearing Lockwashers – Inch
Apollo is an authorized Whittet-Higgins distributor. Every part on this page is genuine Whittet-Higgins, manufactured in the USA. Need a size that is not listed, or help matching a locknut to its lockwasher and assembly socket? Contact our team.
