Earth boring bit with recessed roller bearing

Details Earth boring bit with recessed roller bearing Earth boring bit with recessed roller bearing

1990-11-29

1992-03-03

Neuder, William P.

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

384 96, F16C 1900

Patent

active

050924125

ABSTRACT:
A roller cutter earth boring bit having longer roller bearings recessed into surrounding bit structure for increased load carrying capacity. The elimination of thrust bearing shoulders from the bearing pin structure between sets of roller bearings enables the use of such longer roller bearings.

REFERENCES:
patent: 2076003 (1937-04-01), Reed
patent: 2111732 (1938-03-01), Reed
patent: 2823083 (1958-02-01), Welton et al.
patent: 4395076 (1983-07-01), Sabre

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