JTEKT-KOYO 2311-KC3 Self-Aligning Ball Bearing - 55 mm ID, 120 mm OD, 43 mm Width High Precision while an external tang bends

while an external tang bends into a spanner slot of the mating locknut to positively lock the assembly against loosening from vibration

9 A Ultimate Vacuum 5 micron Pump Design Dual Stage Motor Power 1/2 HP Inlet Port 1/4″

Drive: ¼" hexagon

gliding {Traverse} puller jaws

JTEKT-KOYO 2311-KC3 Self-Aligning Ball Bearing - 55 mm ID, 120 mm OD, 43 mm Width High Precision while an external tang bendsSelf Aligning Ball Bearing JTEKT KOYO self aligning ball bearings have two rows of balls and a common spherical outer raceway. They tolerate shaft and housing misalignment and accommodate moderate radial loads with low friction. They are ideal for applications where shaft deflection or mounting errors are expected.