Tapered roller bearing 3982-3927x-timken 63.5x110x30. 162mm. 123Bearing
These are "open" design bearings, meaning they require regular grease or oil bath lubrication to prevent overheating.
Specifically machined for the 3900 series inch-sized rollers. Common Pairings & Applications
23.812 mm (approx. 0.9375 in) — Note: The full assembly thickness with the cone is typically 30.162 mm
Tapered roller bearing 3982-3927x-timken 63.5 ... - 123Bearing
While you can buy the 3927X cup separately, it is best practice to replace both the cup and cone at the same time to ensure even wear patterns.
This component is designed to handle combined radial and axial loads. According to data from manufacturers like TIMKEN and ASFERSA , the standard dimensions are: 110.000 mm (approx. 4.3307 in)