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Whittet Higgins NT-12 Locknut

Brand: Whittet-Higgins

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Quantity	Discount
1 Unit	No Discount
20-49 Units	5%
50-99 Units	8%
100-199 Units	15%
200-499 Units	18%
500+ Units	25%

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Oxford, Michigan

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Whittet-Higgins

Whittet-Higgins specializes in high-quality bearing retention and shaft-locking products used in demanding industrial applications. Its core product range includes precision locknuts, lockwashers, adapter and withdrawal sleeves, shaft nuts, and related installation tools designed to securely position bearings and rotating components. The company offers both inch and metric options, including heavy-duty and corrosion-resistant designs for power transmission, machinery, and other industrial equipment.

Key Features

Manufactured from carbon steel
Small-profile design with smaller diameter and thickness for limited-space applications
Matched with WT series lockwashers to lock and retain bearings and power transmission assemblies
Numerous locking positions for accurate angular positioning
Prevents assembly loosening from vibration, shock, and torque
Meets and exceeds ANSI / ABMA 8.2-1999 specification
Maximum operating temperature of 300 degrees F
Effective on both soft and hardened shafts; no special tools required for installation
Made in USA and RoHS compliant

Description

The 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.

The 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.

Specifications

NT-12

Specification	Value
Series	Whittet-Higgins NT Series
Thread	2.360-18
Nominal Thread Diameter	2.36 in (59.94 mm)
Outside Diameter	2.938 in (74.63 mm)
Face Diameter	2.688 in (68.28 mm)
Width	0.322 in (8.18 mm)
Theoretical Axial Holding Capacity	17400 lbf
Material	Carbon Steel
Used With	WT series lockwashers
Standard	ANSI / ABMA 8.2-1999 Specification
Weight (approx.)	0.2 lb (90.718 g)
Country of Origin	USA