CTSO-C149 Aircraft Bearings.pdf

Number:CTSO-C149 Date of approval:Jan 14 2019 CAAC Approved by:Xu Chaoqun China Civil Aviation Technical Standard Order This China Civil Aviation Technical Standard Order (CTSO)is issued according to Part 37 of the China Civil Aviation Regulations (CCAR-37).Each CTSO is a criterion which the concerned aeronautical materials parts or appliances used on civil aircraft must ply with when it is presented for airworthiness certification. Aircraft Bearings 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers of aircraft bearings applying for CTSO authorization (CTSOA).This CTSO prescribes the minimum performance standards (MPS)that aircraft bearings must first meet for approval and identification with the applicable CTSO marking. 2.Applicability. This CTSO affects new application submitted after its effective date. Major design changes to article approved under this CTSO will require a new authorization in accordance with section 21.353 of CCAR-21-R4. 3.Requirements. Aircraft bearings that are to be identified with this CTSO and that are manufactured on or after the date of this CTSO must meet the minimum performance standards specified in the manufacturer's part -1- English Translation Version for Reference Only CAAC CTSO-C149 drawing(s)and applicable part specification(s)submitted with the bearing manufacturer's application for CTSO authorization. a.Test Requirements.The required performance shall be demonstrated by acplishing the tests s...