| 主权项 |
1. A bearing assembly, comprising:
an insert having throughbore, an insert race about an exterior of the insert, a shoulder radially protruding from the exterior of the insert, an insert top end, an insert bottom end opposite to the insert top end, an insert lower portion and a throughbore wall; a rolling element cage disposed adjacent to the insert and having a shoulder sleeve, a cage upper end, a convergent portion, a cage bore, an insert sleeve, a cage lower end, and a plurality of angularly distributed rolling element holes; a collar having a collar top end, a collar bottom end opposite to the collar top end, a collar exterior wall, a collar race with a radius equal to a radius of the insert race of the insert, a shoulder sleeve bore having an interior wall and an insert sleeve bore having an interior wall; and a plurality of rolling elements sized for being received into the rolling element holes of the cage and for bearing against the insert race of the insert and the collar race of the collar; wherein the cage maintains the plurality of rolling elements in and angularly distributed arrangement; wherein a line through a mid-point of the insert race and a mid-point of the collar race will be at a 45-degree angle to an axis of the throughbore of the insert with the bearing assembly in an assembled condition; and wherein a rotatable drive shaft is received through the throughbore of the bearing assembly. |
