{"title":"NT Series Bearing Locknuts – Inch, Small Profile","description":"\u003cp\u003eThe NT series is the reduced-profile inch bearing locknut. It carries the same shaft thread as a standard N nut of the same size but in a shorter, smaller-diameter body, which buys back axial and radial clearance at a crowded bearing seat. NT nuts lock with WT series small-profile lockwashers and are driven with BAST small-profile assembly sockets.\u003c\/p\u003e\n\u003ch2\u003eNT Series Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart numbers:\u003c\/strong\u003e NT-00 through NT-18 (19 sizes stocked)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore \/ shaft size:\u003c\/strong\u003e 0.391 in to 3.527 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside diameter:\u003c\/strong\u003e 0.719 in to 4.312 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial \u0026amp; temperature:\u003c\/strong\u003e Carbon steel, black oxide finish; 300°F maximum operating temperature\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e ANSI\/ABMA 8.2-1999; made in USA, RoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eCompact gearboxes, pillow block and cartridge assemblies, servo and stepper drives, and retrofit work where a standard locknut will not clear an adjacent housing, seal or shoulder.\u003c\/p\u003e\n\u003ch2\u003eRelated Whittet-Higgins Series\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/wt-series-bearing-lockwashers-small-profile\"\u003eW-000 \/ WT Series Bearing Lockwashers – Small Profile\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/pt-series-locknut-precision-space-saving\"\u003ePT Series Precision Locknuts – Small Profile\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/basi-bast-series-bearing-assembly-sockets\"\u003eBASI \/ BAST Series Bearing Assembly Sockets – 16 TPI \u0026amp; Small Profile\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/n-000-series-bearing-locknuts-small-profile\"\u003eN-000 Series Bearing Locknuts – Large Bore, Small Profile\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/n-series-locknut-sae\"\u003eN \/ AN Series Bearing Locknuts – Inch, SAE\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApollo 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? \u003ca href=\"\/pages\/contact\"\u003eContact our team\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"whittet-higgins-nt-00","title":"Whittet Higgins NT-00 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-00 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-00 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092520598,"sku":null,"price":3.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-01","title":"Whittet Higgins NT-01 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-01 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-01 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092553366,"sku":null,"price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-02","title":"Whittet Higgins NT-02 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-02 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-02 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092586134,"sku":null,"price":3.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-03","title":"Whittet Higgins NT-03 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-03 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-03 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092618902,"sku":null,"price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-04","title":"Whittet Higgins NT-04 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-04 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-04 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092651670,"sku":null,"price":4.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-05","title":"Whittet Higgins NT-05 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-05 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-05 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092684438,"sku":null,"price":4.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-06","title":"Whittet Higgins NT-06 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-06 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-06 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092717206,"sku":null,"price":4.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-07","title":"Whittet Higgins NT-07 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-07 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-07 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092749974,"sku":null,"price":5.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-08","title":"Whittet Higgins NT-08 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-08 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-08 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092782742,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-09","title":"Whittet Higgins NT-09 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-09 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-09 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092815510,"sku":null,"price":7.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-10","title":"Whittet Higgins NT-10 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-10 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-10 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092848278,"sku":null,"price":8.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-11","title":"Whittet Higgins NT-11 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-11 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-11 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092881046,"sku":null,"price":12.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-12","title":"Whittet Higgins NT-12 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-12 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-12 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092913814,"sku":null,"price":10.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-13","title":"Whittet Higgins NT-13 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-13 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-13 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304092946582,"sku":null,"price":16.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-14","title":"Whittet Higgins NT-14 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-14 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-14 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304093012118,"sku":null,"price":19.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-15","title":"Whittet Higgins NT-15 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-15 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-15 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304093077654,"sku":null,"price":29.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-16","title":"Whittet Higgins NT-16 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-16 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-16 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304093110422,"sku":null,"price":32.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-17","title":"Whittet Higgins NT-17 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-17 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-17 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304093143190,"sku":null,"price":42.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"},{"product_id":"whittet-higgins-nt-18","title":"Whittet Higgins NT-18 Locknut","description":"\u003cp\u003eThe Whittet-Higgins NT-18 is a small-profile inch-series bearing locknut that secures, locks, and retains bearings and power transmission assemblies on a threaded shaft. Its reduced outside diameter and thickness make it ideal for limited-space applications and lighter axial loading.\u003c\/p\u003e\u003cp\u003eThe NT-18 is matched with WT series lockwashers: a washer tab seats into one of the locknut's many slots to provide accurate angular positioning and prevent loosening from vibration, shock, and torque. Machined from carbon steel, it installs without special tools on both soft and hardened shafts and meets and exceeds ANSI \/ ABMA 8.2-1999.\u003c\/p\u003e","brand":"Whittet-Higgins","offers":[{"title":"Default Title","offer_id":46304093175958,"sku":null,"price":47.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/1241\/4779\/files\/NT.png?v=1786832732"}],"url":"https:\/\/apollousa.com\/collections\/nt-series-bearing-locknuts-small-profile.oembed","provider":"Apollo Industries ","version":"1.0","type":"link"}