[INCH-POUND]
A-A-50602
5 April 1993
COMMERCIAL ITEM DESCRIPTION
SELF-LUBRICATED BEARINGS
The General Services Administration has authorized the use of this Commercial Item Description (CID).
1 Abstract. This CID covers self-lubricated journal or spherical bearings intended to replace grease lubricated bearings on submarines in underwater, oscillatory applications.
2. Salient characteristics. Bearings furnished under this CID shall comply with the following requirements, when tested as specified in section 4, Quality Assurance Provisions.
2.1 Materials of construction.
2.1.1 Journal bearings shall consist of:
(a) A high strength backing and a low friction (metallic or nonmetallic) liner. The liner shall be not less than 0.010 inch thick.
(b) A homogenous low friction nonmetallic material.
2.1.2 Spherical bearings shall consist of the same materials as the journal bearings. Low friction material shall be utilized between the ball OD and the outer ring and between the ball ID and the mating surface.
2.1.3 When metallic backed bearings are provided with the metallic material in direct contact with surrounding structural material, the metallic material shall be galvanically compatible with alloy steel per MIL-S-23284, class 1 and MIL-S-16216.
2.2 Radial static limit load. The radial static limit load shall be not less than 35,000 psi. Permanent set shall be less than 0.010 inch.
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Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, SEA 05Q42, Naval Sea Systems Command, National Center Building 3, Washington, DC 20362-5160 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. |
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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