Whittet-Higgins RN-28 Bearing Removal Nut – 6.097-8 thread, 7.938in OD

Whittet-Higgins NS-38 Bearing Locknut – 7.472-8 thread, 9.469in OD

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Whittet Higgins N-04 Bearing Locknut N/AN Series

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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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

Machined from carbon steel for the most cost-efficient inch bearing locknut line available
Matched with W series lockwashers to secure, lock, and retain bearings and power transmission assemblies
Lockwasher tab engages a nut slot for numerous locking positions and accurate angular positioning
Prevents assembly loosening due to vibration, shock, and torque
Meets and exceeds ANSI / ABMA 8.2-1999 specification
Maximum operating temperature of 300°F
No special tools required for installation; effective on soft and hardened shafts
Interchangeable with the TAN series of locknuts
Manufactured in the USA and RoHS compliant

Description

The Whittet-Higgins N/AN series is an inch-dimension bearing locknut machined from carbon steel and matched with W series lockwashers to secure, lock, and retain bearings and power transmission assemblies on a threaded shaft. The lockwasher seats against the nut and a tab bends into one of the nut's external slots, delivering numerous locking positions for accurate angular positioning while preventing loosening from vibration, shock, and torque. Installation requires no special tools, the nut is effective on both soft and hardened shafts, and it is interchangeable with the TAN series. The N/AN line meets and exceeds ANSI / ABMA 8.2-1999, carries a 300°F maximum operating temperature rating, and is manufactured in the USA and RoHS compliant.

Specifications

N-04

Specification	Value
Series	Whittet-Higgins N/AN Series
Thread	0.781-32
Nominal Thread Diameter	0.781 in (19.84 mm)
Outside Diameter	1.375 in (34.92 mm)
Face Diameter	1.125 in (28.57 mm)
Width	0.385 in (9.78 mm)
Theoretical Axial Holding Capacity	13200 lbf
Material	Carbon Steel
Used With	W series lockwashers
Standard	ANSI / ABMA 8.2-1999
Weight (approx.)	0.1 lb (45.359 g)
Country of Origin	USA

Manuals

Catalog Locknut – N/AN Series (Inch)