33 products
NS Series Bearing Locknuts – Inch, Stainless Steel
The NS series is the stainless steel version of the standard N inch bearing locknut, matched with the stainless WS series lockwasher. The pair is specified wherever moisture, washdown chemistry or salt would corrode a carbon steel nut into the shaft thread or contaminate the product being handled.
NS Series Specifications
- Part numbers: NS-00 through NS-40 (33 sizes stocked)
- Bore / shaft size: 0.391 in to 7.847 in
- Outside diameter: 0.75 in to 9.844 in
- Material & temperature: Stainless steel; 300°F maximum operating temperature
- Standards: ANSI/ABMA 8.2-1999; made in USA, RoHS compliant
Applications
Food, beverage and pharmaceutical processing, marine and offshore equipment, water treatment plant, and outdoor or washdown machinery.
Related Whittet-Higgins Series
- WS Series Bearing Lockwashers – Inch, Stainless Steel
- KMS Series Bearing Locknuts – Metric, Stainless Steel
- BHS / BMS Series BEARHUG Locknuts – Stainless Steel
- MBS Series Bearing Lockwashers – Metric, Stainless Steel
- N / AN Series Bearing Locknuts – Inch, SAE
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.

