What is an adapter bearing (Y-bearings)?
Adapter bearings are used in ball bearing units which consist of a precision wide inner ring bearing assembled into a housing made of cast iron, pressed steel, or rubber.
The precision wide inner ring bearings are called y-bearings because their typical locking mechanism, two grub screws 120° apart.
The induced direction from this locking forms a Y.
Ball bearing units are supplied pre-lubricated and are designed to slip fit onto the shaft.
The locking method is either eccentric self-locking or set-screw locking.
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