04756631 is referenced by 96 patents and cites 11 patents.

A bearing for a rotary cone for a rock bit is disclosed. The bearing consists of a multiplicity of small synthetic diamond particles nested within a matrix base, each with an exposed flattened surface to form the bearing. The diamond particles are strategically positioned on a bearing surface and secured within the matrix base. A substantially identical synthetic diamond bearing is concentrically positioned adjacent to the first bearing to form the bearing package.

Title
Diamond bearing for high-speed drag bits
Application Number
7/77266
Publication Number
4756631
Application Date
July 24, 1987
Publication Date
July 12, 1988
Inventor
Kenneth W Jones
Kingwood
TX, US
Agent
Robert G Upton
Assignee
Smith International
CA, US
IPC
E21B 10/22
F16C 33/24
View Original Source