Major Brand WS81103 Shaft Washer Series WS 17x30x2.75mm

WS Type Housing Washers: An accurately machined washer component to be used with needle roller thrust assemblies providing precise centering of the housing or raceway washer. These are thicker than the LS and AS series of washers thus providing a very rigid assembly.
Benefits: Accurately machined, provides centering & rigidity, thicker cross section, inexpensive cost effective solution.