Standard Locknut Miether


Product Selector

PRWT-09 PRWT Series

PRWT-09 - PRWT Series, Lockwashers, Products

PRWT-09

PRWT09 Standard Locknut Part Number

This series of lockwashers is coupled with PRT, and PRTL series precision locknuts.  Lockwashers engage a keyway in a shaft or adapter sleeve slot, then locks the accompanying locknut in position by bending one of the washer tabs into the nut’s outside diameter slots. 

Features and benefits

  • High precision locking component for high speed applications.
  • Very high installation accuracy.
  • Dimensionally interchangeable with standard series washers if required.
  • Standard Locknut sets the industry locknut standard


  • PRWT lockwashers have no tang angle for higher operational accuracy.
  • Can be mounted directly to the shaft or on an adapter sleeve.
  • A new lockwasher should be used each time the corresponding PRT / PRTL locknut and assembly is reinstalled.
  • Unless otherwise specified, manufactured from AISI grade 1020 series steel.
  • Most suitable for applications requiring an exceptional level of accuracy such as machine tools, automation equipment and precision machinery.
Dimensions
R 1.792 INCH Bore
E 2.062 INCH Face Diameter
B 2.59375 INCH Dia. over Tangs
S 0.3 INCH Key Width
X 1.693 INCH Inside Dia.
NOTAN 17 INCH No. of Tangs
T 0.234 INCH Tang Width
Q 0.054 INCH Material Thickness
Weight 3 LB/100