1、IfIL-B-l8558B(SH) 24 February 1988 SUPERSEDING liIL-B-l8558A(SHIPS) 13 December 1960 (See 6.8) MILITARY SPECIFICATION BEARING, PROPULSION LINE SHAFT, OIL DISC LUBRICATED This specification is approved for use within the Naval Sea Systems Command, Department of the Navy, and is available for use by a
2、ll Departments and Agencies.of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers disc lubricated journal bearing units for journals between 8 and 36 inches in diameter. These bearing units are used to support propulsion line shafts on Naval ships. 2. APPLICABLE DOCUMENTS 2.1 G
3、overnment documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the .issues of these documents shall be those listed in the issue of the Department of Defense Index of Sp
4、ecifications and Standards (DoDISS) and supplement thereto, cited in the solicitation. SPEC IFICTI ONS FEDERAL L-P-391 - Plastic Sheets, Rods and Tubing, Rigid Cast, QQ-C-390 - Copper Alloy Castings (Including Cast Bar). QQ-C-465 - Copper-Aluminum Alloys (Aluminum Bronze) Methacrylate (Mu1 t iapp 1
5、icat ion) . (Copper Alloy Numbers 606, 614, 630, and 642), Rod, Flat Products with Finished Edges (Flat Wire, Strip, and Bar), Shapes, and Forgings. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed t
6、o: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 2010 DISTRIBUTION STATEMENT A Approved for pb
7、lic release; distribution unlimited THIS DOCUMENT CONTAINS 25 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-15CB 20 9779906 OLSLLOb T a FEDERAL (Continued) QQ-N- 28 1 - Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings,
8、 and Structural and Special Shaped Sections. (UNS N05500). Ingots and Castings (Antifriction Metal) for Bearing Applications, QQ-N- 286 QQ -T- 39 O - Tin Alloy Ingots and Castings and Lead Alloy - Nickel-Copper-Aluminum Alloy, Wrought MILITARY MIL-S-1222 - Studs, Bolts, Hex Cap Screws, and Nuts. NIL
9、-P-2845 - Packaging of Main Propulsion Shafting, Bearings, Boat and Ship Propellers, and Associated Repair Parts. Resistant, 160F. Extruded Shapes. Equipment. MIL-P-5516 - Packing, Preformed, Petroleum Hydraulic Fluid MIL-R-6855 - Rubber, Synthetic, Sheets, Strips, Molded or MIL-P-15024 - Plates, Ta
10、gs, and Bands for Identification of MIL-P-15024/5 - Plate, Identification. NIL-1-17244 - Indicators, Temperature, Direct-Reading, Bimetallic (3- and 5-inch Dial). MIL-L-17331 - Lubricating Oil, Steam Turbine and Gear, Moderate Service. MIL-T-17600 - Turbines, Steam, Propulsion Naval Shipboard. MIL-F
11、-18240 - Fastener, Externally Threaded, 250F Self-Locking Element for. MIL-T-24270 - Thermo-Wells for Thermometers and Electrical Temperature Sensors, General Specification for. MIL-T-24388 - Thermocouple and Resistance Temperature Element Assemblies, General Specification for (Naval Shipboard). MIL
12、-T-24388/8 - Thermocouple and Resistance Temperature Element Assemblies, Type RTE (EH Installation). MIL-L-24479 - Lubricant, Red Lead and Graphite In Mineral Oil. MIL-B-24480 - Bronze, Nickel-Aluminum (UNS No. C95800) Cast- ings, for Seawater Service. MIL-N-25027 - Nut, Self-Locking, 250F, 450F, 80
13、0F. e I U .- STANDARDS FEDERAL FED-STD-H28 - Screw-Thread Standards for Federal Services, FED-STD-H28/2 - Screw-Thread Standards for Federal Services Section 2 Unified Inch Screw Threads - UN and UNR Thread Forms. MILITARY MIL-STD-278 MIL-STD-792 - Identification Marking for Special Purpose Com- - W
14、elding and Casting Standard. ponents. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-L55B 20 U 777770b OL7LLO7 L U - MIL-B-18558B (SH) MILITARY (Continued) DOD-STD-2183 - Bond Testing, Babbitt-Lined Bearings. DOD-STD-2188 MS3402 - Connectors
15、, Receptacle, Electric, Box Fiounting, NS 17 829 - Nut, Self-Locking, Hexagon, Regular Height, - Babbitting of Bearing Shells. Front Release, Crimp Contact, AN Type. 250F, (Non-Metallic Insert) Non-Corrosion- Resistant Steel. MS 18 22 9 PlS 3 3 5 4 O - Plug for “O“ Ring Gasket. - Safety Wiring and C
16、otter Pinning, General Practices for. 2.1.2 Other Government drawings and publications. The following other Government drawings and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solici
17、tation. DRAWINGS NAVAL SEA SYSTEMS COMMAND (NAVSEA) 803-1385953 - Bearing, Propulsion Line Shaft, Oil Disc 803-2145807 - Propulsion Shafting and Components. Lubricated. PUBLICATIONS NAVAL SEA SYSTEMS COMMAND (NAVSEA) 0900-LP-001-7000 - Fabrication and Inspection of Brazed DDS -072 - 1 - Shock Design
18、 Values. Piping Systems. SUPERVISOR OF SHIPBUILDING (SUPSHIP BROOKLYN) 280-8 - Shock Design Criteria for Trident Submarine. (Application for copies should be addressed to Supervisor of Shipbuilding, Conversion and Repair, USN, Brooklyn, NY 11251.) (Copies of specifications, standards, drawings, and
19、publications required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity . ) 2.2 Other publications. The following documents form a part of this Unless otherwise specified, specification to the
20、extent specified herein. the issues of the documents which are DoD adopted shall be those listed in, the issue of the DoDISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS shall be the issue of the non-government documents which is current
21、 on the date of the solicitation. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) B18.15 - Eyebolts, Forged. (DoD adopted) B46.1 - Surface Texture (Surface Roughness, Waviness and Lay). (DoD adopted) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B
22、-1SSB 20 W 9999906 0393308 3 W (Application for copies should be addressed to American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018.) AFIERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) A 27 - Standard Specification for Steel Castings, Carbon, for General Applications. (DoD a
23、dopted) A 36 (DoD adopted) A 148 - Standard Specification for Steel Castings, High Strength, for Structural Purposes. (DoD adopted). A 582 - Standard Specification for Free-Machining Stainless and Heat-Resisting Steel Bars, Hot-Rolled or Cold- Finished. (DoD adopted) Known Commercially as “Babbitt M
24、etal“. (DoD adopted) Castings. (DoD adopted) for General Applications. (DoD adopted) - Standard Specification for Structural Steel. B 23 - Standard Specification for White Metal Bearing Alloys B 148 - Standard Specification for Aluminum-Bronze Sand Castings, B 271 - Standard Specification for Copper
25、-Base Alloy Centrifugal B 584 - Standard Specification for Copper Alloy Sand Castings (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) Alls 3208 - Chloroprene Rubber, Weathe
26、r Resistant 45-55; (DoD adopted) (Application for copies should be addressed to the Society of Automotive Engineers, 400 Commonwealth Dr., Warrendale, PA 15096.) (Nongovernment standards and other publications are normally available from the organjsations which prepare or which distribute the docume
27、nts. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein (except for associated detail specifications, specification sheets, or MS st
28、andards), the text of this specification shall take precedence. Nothing in this specification, however, shall supercede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Materials. Bearing unit materials shall be as specified in table 1 and on Drawing
29、 803-1385953. bearing unit materials shall be as specified in table II. If nonmagnetic materials are required (see 6.2.1), 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-185588 120 W 7777706 0171107 5 W EiIL-B-l8555B(SH) TABLE 1. Naterials.
30、Component Bearing pedestals and caps Bearing shell (thick-walled and precision insert types) Bearing precision insert Oil seal housing Oil seal retaining plate Dipstick Dipstick sleeve Vent valve Ant i-rot at ion pin Plug Dowel pins Anti-f rict ion (babbitt) metal for bearings Bolts Hex head screws
31、Self-locking socket head screws Drive screws Square head jack screws Eyebolts Mat er ia1 Cast steel Cast s t ee 1 Cast steel Cast steel Steel Steel S ST SST SST Steel Steel White metal bearing alloy (tin base) Steel and alloy steel Steel and alloy steel Steel and alloy steel Steel and alloy steel St
32、eel Steel Applicable documents ASTM A 27, ASTM A 148 ASTM A 27 ASTM A 27 ASTM A 27 ASTM A 36 ASTM A 36 Commercial Commercial ASTM A 582, type 303 PE18229 Commercial QQ-T-390, grade 2; ASTM B 23, alloy 2 MIL-S- 1222, type I, grade 8 MIL-S-1222, type I, grade 2 MIL-S-1222 Commercial Commercial ANSI B1
33、8.15 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-L55B 20 W 747770b OLSLLLO L MIL-B-l8558B(SH) TABLE I. Materials. - Continued Component Self-locking hex nuts Hand hole covers Disc oil view port Gaskets Shaft oil seal O-ring seals Res istari
34、ce temperature elements, 3-lead type only, range minus 40 to 530F Thermometers, 3-inch dial 20 to 240F range Thermometer well, 4-inch long Electric receptacle connector Dran assembly Identification and direction of rotation plates Thread lubricant (bearing shell and housing parting line bolting) Bea
35、ring lubricant Material Steel and alloy steel Steel casting and steel Plastic Synthetic rubber Synthetic rubber Synthetic rubber Platinum with stainless steel jacket SST Brass SST S ST Brass Red lead and graphite in mineral oil Mineral oil Applicable documents MS 17 829 ASTN A 27, grade 60-30; ASTN
36、A 36 L-P-391, grade A MIL-R-6855, class 2, type A; AMS 3208 Commercial MIL-P-5516 MIL-T-24388/8 MIL-1-17244 MIL-T- 242 7 O MS 3 4 O 2 Commercial MIL-P-15024 MIL-L-24479 MIL-L-17331, military symbol 2190-TEP Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
37、-,-,-MIL-B-L558B 20 m 7799906 OLSLLLL 3 m NIL-B-18558B (SH) TABLE II. Nonmagnetic materials. Component Bearing pedestals and caps Bearing shell Bearing precision insert Oil seal housing Oil seal retaining plate Dipstick Dipstick sleeve Vent valve Anti-rotation pin Plug Dowel pins Anti-friction (babb
38、itt) metal for bearings Bolts Eyebolts Self-locking hex nuts Hex head screws Self-locking socket head screws Drive screws Square. head jack screws Mat erial Aluminum-bronze Aluminum-bronze Tin bronze (cast) Cast copper alloy Aluminum- bronze (cast) Aluminum-bronze Aluminum-bronze - White metal beari
39、ng alloy (tin base) Nickel-copper- aluminum alloy - Nickel-copper alloy Nickel-copper - aluminum alloy Nickel-copper- aluminum alloy Applicable documents NIL-B-24480; ASTM B 271; ASTM B 148 ASTM B 148; QQ-C-390; ASTM B 584 ASTM B 271 QQ-C-390; ASTFI B 271; ASTM B 584 MIL-B-24480; ASTM B 271; ASTM B
40、148 QQ - C - 465 QQ- C - 465 Commercial Commercial ASTM A 582, type 303 MS 18 2 29 Commercial QQ-T-390, grade 2; ASTM B 23, alloy 2 QQ -N - 286 MIL-S-1222 ANSI B18.15 QQ-N - 2 8 1 QQ -N - 2 8 6 MIL-S-1222 MIL-S-1222 Commercial Commercial Provided by IHSNot for ResaleNo reproduction or networking per
41、mitted without license from IHS-,-,-TABLE II. Nonmagnetic materials. - Continued Component Hand hole covers Disc oil view port Gaskets Shaft oil seal O-rng seal Resistance temperature elements, 3-lead type only, range minus 40 to 530F Thermometers, 3-inch dial 20 to 240F range with 4-inch long well
42、Thermometer well Electric receptacle connector Drain assembly Identification and direction of rotation plates Thread lubricant (bearing shell and housing parting line bolting) Bearing lubricant Mat er i a 1 3.1.1 miron parts. The use of common cast iron parts shall not be permitted. respect to corro
43、sion when exposed to a sea atmosphere and the lubricating oil specified in tables I and II. Materials used in the bearing assembly shall be compatible with 3.1.2 Substituted materials. The use of materials differing from those specified herein will be considered only when (a), (b), (c), and (d) belo
44、w ail apply. 8 - iI Aluminum-bronze Plastic Synthetic rubber Synthetic rubber Synthetic rubber -I - Brass - - Brass Red lead and graphite in mineral oil Mineral oil Applicable documents NIL-B-24480 L-P-391 MIL-R-6855, class 2, type A; AEIS 3208 Commercial MIL-P-5516 MI L - T - 2 4 3 8 8 / 8 MI L - I
45、 - 1 7 2 44 MIL-T-24270 PlS3402 Commercial MI L-P - 15 O 2 4 MIL-L-24479 MIL-L-17331, military symbol 2190-TEP Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL- B - 1855 8B (SH) (a) The contractor shows the necessity for such substitutions. (b) M
46、aterials proposed are satisfactory substitutes, as substantiated by a comparison of the chemical composition, and mechanical and physical properties between the specified and substitute material. accordance with the applicable Government specification. to the Navy. (c) (d) The use of substitute mate
47、rials represents no cost increase Ninimum factors of safety can be met with material in 3.1.3 Non-specified materials. Materials for parts not specified in table I or II and on Drawing 803-1385953 shall be selected by the manufacturer provided the materials perform the intended function in the beari
48、ng unit and conform to the requirements specified herein. 3.1.4 Prohibited materials. Materials of the following types shall not be used: Toxic pyrolytic materials which emit toxic gases or other harmful Flammable materials in a form which will explode or ignite from products when exposed to high te
49、mperatures. any electric spark, flame or from heating, and which, if so ignited, will independently support combustion in air. Fragile or brittle materials. Plagnesium or magnes ium bas e alloys . Radioactive materials. Mercury. Asbestos. Cadmium. 3.1.5 Recovered materials. Unless otherwise specified herein, all equip- ment, materials, and articles incorporated in the products covered by thi
