The U.S. aircraft register, updated daily
Parts

Bearing Coupler

No failure report names the bearing coupler. 2 FAA approvals let 2 companies make a replacement bearing coupler, Precision Air Parts, INC. holding the most (1).

Approved replacement parts 2 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a bearing coupler and sell it as an approved part for the models named. These are the companies holding such approvals for a bearing coupler:

MakerPartReplacesFitsGrantedStatus
Precision Air Parts, INC.Bearing Coupler Assy PD321SN36Honeywell 7017238-1All Type Certified Aircraft All type certificated aircraft...2015-06-08current
Precise Devices INCBearing Coupler Assy. PD321SN36Honeywell 7017238-1Miscellaneous All type certificated aircraft...2007-12-19current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.