JTEKT-KOYO HK3016 Drawn Cup Roller Bearings With Open End - 30 mm ID, 37 mm OD, 16 mm Width Wear Gauge They are needed for adjusting

They are needed for adjusting the pullers

the CNF20-12S eliminates the traditional locknut-and-lockwasher pairing and installs faster

Toroidial Roller Bearing with increased clearance

The Whittet-Higgins PWT-14 is a precision bearing lockwasher with precision-ground parallel faces that keep the assembly square to the threaded shaft

JTEKT-KOYO HK3016 Drawn Cup Roller Bearings With Open End - 30 mm ID, 37 mm OD, 16 mm Width Wear Gauge They are needed for adjustingDrawn Cup Roller Bearings With Open End JTEKT KOYO drawn cup needle roller bearings with open ends have a thin, drawn outer ring that serves as the outer raceway. They offer the lowest radial cross section possible for needle bearings and are typically pressed into housings as a complete unit.