Bearing retaining pin for earth boring drill

Details Bearing retaining pin for earth boring drill Bearing retaining pin for earth boring drill

1976-06-21

1977-11-22

Peters, Jr., Joseph F.

Cutlery

F16C 1900

Patent

active

040593169

ABSTRACT:
A roller cutter type earth boring drill having a ball bearing race filled with ball bearings through an external passage has the passage filled with a bearing retaining plug having a symmetrically cut end portion fitting the curvature of the bearing race.

REFERENCES:
patent: 2651501 (1953-09-01), McMahon
patent: 3847234 (1974-11-01), Schumacher et al.

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