1、METRIC A-A-59596C 4 March 2009 SUPERSEDING A-A-59596B 15 December 2003 Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to: STDZNMGTdla.mil or Defense Supply Center Richmond (DSCR), ATTN: DSCR-VEB, 8000 Jeffer
2、son Davis Highway, Richmond, VA 23297-5616. FSC 3110 COMMERCIAL ITEM DESCRIPTION BEARING, BALL, ANNULAR, SINGLE ROW, RADIAL, NON-FILLING SLOT, CARTRIDGE TYPE WITHOUT GREASE PLUG, DIMENSION SERIES 33 The General Services Administration has authorized the use of this commercial item description for al
3、l federal agencies. 1. SCOPE. This commercial item description (CID) covers metric, single row, radial, non-filling slot, cartridge type, annular ball bearings for general-purpose use. These bearings are not intended for use in critical aeronautical or critical special precision applications. 2. CLA
4、SSIFICATION. The ball bearings shall be classified by the class, sizes, cage materials, shield and snap ring configurations, precision tolerances, lubricant, and preservative requirements listed below: Class 9 - dimension series 33 Sizes - bearing dimensions (see Table I) Cage materials (see Table I
5、I) Shield, seal, and snap ring configurations (see Table III) Precision tolerances (see Table IV) Lubricant and preservative requirements (see Table V) 3. SALIENT CHARACTERISTICS 3.1 Dimensions. Bearing boundary dimensions shall conform to the requirements specified in Table I for each of the coded
6、bearing sizes. The listed dimensions conform to the requirements specified for the listed bearing sizes from dimension series 33 in American Bearing Manufacturers Association (ABMA) Standard 20, “Radial Bearings of Ball, Cylindrical Roller, and Spherical Roller Types, Metric Design“. The bearing siz
7、e shall be as specified in the acquisition order (see Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59596C 2 7.3(b). For unlisted bearing sizes, the dimensional and dynamic load rating requirements should also be specified in the acquisition or
8、der. Table I. Dimensional requirements (ABMA series 33). Bearing size code Bore diameter (mm) Outside diameter (mm) Width (mm) Chamfer r/min. (mm) Minimum shaft shoulder diameter1(mm) Dynamic load rating (minimum) (lbs.) 04 20 52 22.2 1.1 27 2,760 05 25 62 25.4 1.1 32 3,670 06 30 72 30.2 1.1 37 4,87
9、5 07 35 80 34.9 1.5 43.5 5,780 08 40 90 36.5 1.5 48.5 7,075 09 45 100 39.7 1.5 53.5 9,160 10 50 110 44.4 2.0 60 10,730 11 55 120 49.2 2.0 65 12,410 12 60 130 54.0 2.1 72 14,200 13 65 140 58.7 2.1 77 16,000 14 70 150 63.5 2.1 82 18,000 15 75 160 68.3 2.1 87 19,700 16 80 170 68.3 2.1 92 22,700 17 85 1
10、80 73.0 3.0 99 22,900 18 90 190 73.0 3.0 104 24,700 20 100 215 82.6 3.0 114 29,900 1Listed for reference purposes only. Shoulder height shall be determined to provide sufficient clearance for the direct application of bearing removal force against the bearing inner ring. If the required minimum clea
11、rance is not available, an alternative non-destructive bearing removal capability shall be provided. 3.2 Materials. 3.2.1 Rings. The bearing ring material shall be chromium-alloy steel 52100 (UNS G52986) as specified in ASTM International (ASTM) A 295/A 295M, “Standard Specification for High-Carbon
12、Anti-Friction Bearing Steel“. The finished rings shall not exceed the associated billet material inclusion rating also specified in ASTM A 295/A 295M. Ring hardness shall be at least 58 HRC as defined in ASTM E 18, “Standard Test Methods for Rockwell Hardness of Metallic Materials“. The grain size o
13、f the ring material shall be determined in accordance with ASTM E 112, “Standard Methods for Determining Average Grain Size“. 3.2.2 Balls. The bearing ball material shall be chromium-alloy steel 52100 (UNS G52986) as specified in ASTM A 295/A 295M. The finished balls shall not exceed the associated
14、billet material inclusion rating, which is also specified in ASTM A 295/A 295M. Balls shall be through-hardened no less than 60 HRC, and no more than 67 HRC as defined in ASTM E 18. The grain size of the ball material shall be determined in accordance with ASTM E 112. Provided by IHSNot for ResaleNo
15、 reproduction or networking permitted without license from IHS-,-,-A-A-59596C 3 3.2.3 Cage. The bearing cage material shall be impervious to deterioration from any lubricant, preservative, solvent, or other chemical substance expected to contact the bearing during normal use or storage. Similarly, t
16、he material shall not cause any chemical deterioration of any other bearing component. Metallic and non-metallic cages shall meet the same bearing performance requirements. Metallic cage materials shall operate from -40 F to 250 F (-40 C to 121 C). Non-metallic cage materials shall operate from -20
17、F to 250 F (-30 C to 121 C). Unless otherwise specified in the acquisition order, the cage material shall be one of the optional coded types listed in Table II (see 7.3(c). Table II. Cage materials. Code1Material type J Pressed steel M Machined bronze or brass P Molded plastic (nylon 6/6 or equal) T
18、 Machined non-metallic (phenolic) Y Pressed brass X Other (specify in acquisition order) 1No significant changes from FF-B-171/10. 3.2.4 Shields and seals. When used, the shield or seal material shall be as recommended by the manufacturer, unless otherwise specified in the acquisition order (see 7.3
19、(d). The material shall be impervious to deterioration from any lubricant, preservative, solvent, or other chemical substance expected to contact the bearing during normal use or storage. Similarly, the material shall not cause any chemical deterioration of any other bearing component. The shield or
20、 seal material shall remain functionally at a minimum temperature range of -20 F to 250 F (-30 C to 121 C) for non-metallic and -40 F to 250 F (-40 C to 121 C) for metallic materials. Unless otherwise specified in the acquisition order, the shield configuration for the bearing shall be one of the co
21、ded options listed in Table III (see 7.3(e). 3.2.5 Snap ring. When used, the bearing snap ring and associated snap ring groove shall conform to the requirements specified in ABMA Standard 20. Table III. Shield, seal and snap ring configurations. Code1Configuration option A Double contact seal B Doub
22、le labyrinth seal C Double contact seal with snap ring D Double labyrinth seal with snap ring E Double shield F Double shield with snap ring X Other (specify in acquisition order) 1No significant changes from FF-B-171/10. Provided by IHSNot for ResaleNo reproduction or networking permitted without l
23、icense from IHS-,-,-A-A-59596C 4 3.3 Precision tolerance. The bearing precision tolerance level shall conform to Annular Bearing Engineers Committee (ABEC) class ABEC-1, ABEC-3, ABEC-5, or ABEC-7 as defined in ABMA Standard 20. The tolerance class and associated radial internal clearance shall be on
24、e of the coded options listed in Table IV (see 7.3(f). 3.3.1 Bearing precision tolerance levels and internal clearances may be affected by the addition of shields and/or seals. Manufacturers/suppliers should be consulted for availability of desired precision tolerances when shields and/or seals are
25、required. Table IV. Precision tolerance requirements. Code Tolerance class Radial internal clearance A Group 2 (less than normal) B Group N (normal) C Group 3 (greater than normal) D Group 4 (greater than group 3) T ABEC-1 Group 5 (greater than group 4) E Group 2 (less than normal) F Group N (normal
26、) G Group 3 (greater than normal) H Group 4 (greater than group 3) U ABEC-3 Group 5 (greater than group 4) J Group 2 (less than normal) K Group N (normal) L Group 3 (greater than normal) M Group 4 (greater than group 3) V ABEC-5 Group 5 (greater than group 4) N Group 2 (less than normal) P Group N (
27、normal) R Group 3 (greater than normal) S Group 4 (greater than group 3) W ABEC-7 Group 5 (greater than group 4) 3.4 Lubrication and preservation requirements. Unless otherwise specified in the acquisition order, the bearing lubricant or preservative requirement shall be as selected from the approve
28、d coded options listed in Table V (see 7.3(g). When grease fill is required, the bearing void (the airspace between the inner and outer rings of the assembled bearing) shall be 25 to 50 percent filled. Bearing preservative shall be in accordance with MIL-DTL-197, “Packaging of Bearings, Associated P
29、arts and Subassemblies“. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59596C 5 Table V. Lubricant and preservative requirements. Code Lubricant or preservative compound B Grease in accordance with MIL-PRF-81322 E Grease in accordance with DOD-
30、G-24508 H Grease in accordance with MIL-PRF-23827 L Grease with SRI-2 or qualified equivalent P Grease in accordance with A-A-59685 S No fill T Preservation compound in accordance with MIL-DTL-197 X Other (specify in the acquisition order) 4. REGULATORY REQUIREMENTS 4.1 Recovered materials. The offe
31、ror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4.2 Unless otherwise indicated in the solicitation and resulting contract, the foreign acquisition restrictions in Section 252.2
32、25, Clause 252.225.7016 of the Defense Federal Acquisition Regulation Supplement (DFARS) apply to products described by this CID. 5. PRODUCT CONFORMANCE PROVISIONS 5.1 Product conformance. The products provided shall meet the salient characteristics of this commercial item description, conform to th
33、e producers own drawings, specifications, standards, and quality assurance practices, and be the same product offered for sale in the commercial marketplace. The government reserves the right to require proof of such conformance. 5.2 Market acceptability. The product offered must have been previousl
34、y sold either to the government or on the commercial market. 6. PACKAGING 6.1 Preservation, packaging, and marking. Unless otherwise specified in the acquisition order, the bearings supplied shall be preserved, packaged, and marked in accordance with MIL-DTL-197 (see 7.3(h). Provided by IHSNot for R
35、esaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59596C 7. NOTES 7.1 Part or identification number (PIN). The following PIN numbering procedure is for government purposes and does not constitute a requirement for the contractor. AA59596 - 9 08 J C B B Example of referenc
36、e part number: Lubricant and preservative code (see Table V) Precision tolerance code (see Table IV) Shield, seal, and snap ring code (see Table III) Cage material code (see Table II) Bearing size code (see Table I) Class 9 - dimension series 33 CID number AA59596 - 9 08 J C B B indicates: boundary
37、dimension series 33; bore diameter 40 mm, outside diameter 90 mm, width 36.5 mm; pressed steel cage; double contact seal with snap ring; ABEC-1 tolerance class, normal radial internal clearance; filled with grease in accordance with MIL-PRF-81322. 7.2 Sources of documents. 7.2.1 ABMA standards. Copi
38、es of ABMA standards may be obtained from the American Bearing Manufacturers Association, 2025 M Street NW, Suite 800, Washington, DC 20036. Electronic copies of ABMA standards may be obtained from http:/www.abma-dc.org/. 7.2.2 ASTM standards. Copies of ASTM standards may be obtained from ASTM Inter
39、national, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959. Electronic copies of ASTM standards may be obtained from http:/www.astm.org/. 7.2.3 FAR and DFARS. Copies of the FAR and DFARS may be obtained from the Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250
40、-7954. Electronic copies of the FAR may be obtained from http:/www.arnet.gov/far/. Electronic copies of the DFARS may be obtained from http:/www.acq.osd.mil/dp/dars/dfars.html. 7.2.4 Military specifications and standards. Copies of military specifications and standards may be obtained from Standardi
41、zation Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094. Electronic copies of military specifications and standards may be obtained from http:/assist.daps.dla.mil/quicksearch/. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
42、om IHS-,-,-A-A-59596C 7 7.3 Ordering data. Acquisition documents should specify the following information: a. CID document number, revision, and CID PIN. b. Bearing size (with dimension/load requirements if size is unlisted) (see 3.1). c. Cage material type (see 3.2.3). d. Shield and seal material (
43、see 3.2.4). e. Shield, seal, and snap ring configuration (see 3.2.4 and 3.2.5). f. Precision tolerance requirement (see 3.3). g. Lubricant and preservative requirement (see 3.4). h. Preservation, packaging, and marking requirements (see 6.1). 7.4 Codes cross-reference. Tables VI, VII, and VIII conta
44、in cross-reference data for the part identification number information as listed in FF-B-171/10 and this CID. 7.4.1 Bearing class designations. The CIDs replacing 33 of the 37 associated specification sheets of FF-B-171 have been assigned class codes corresponding to ABMA dimension series. Table VI
45、lists the FF-B-171 specification sheets, the corresponding dimension series, the CID class codes, and the replacement CIDs. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59596C 8 Table VI. Federal specification to CID cross-reference. FF-B-171
46、specification sheets ABMA dimension series CID class codes Replacement CID numbers 1 02, 03, 10 1, 2, 4 A-A-59581 2 19 5 A-A-59582 3 10 4 A-A-59583 4 02 1 A-A-59584 5 03 2 A-A-59585 6 04 3 A-A-59586 7 02 1 A-A-59587 8 03 2 A-A-59589 9 32 8 A-A-59595 10 33 9 A-A-59596 11 02 1 A-A-59597 12 03 2 A-A-59
47、598 13 22 6 A-A-59599 14 23 7 A-A-59600 15 19 - Canceled 16 10 - Canceled 17 02 - Canceled 18 03 - Canceled 19 19 5 A-A-59623 20 10 4 A-A-59624 21 02 1 A-A-59625 22 03 2 A-A-59626 23 04 3 A-A-59627 24 10 4 A-A-59628 25 02 1 A-A-59629 26 03 2 A-A-59630 27 04 3 A-A-59631 28 10 4 A-A-59632 29 02 1 A-A-
48、59633 30 03 2 A-A-59634 31 04 3 A-A-59635 32 32 8 A-A-59636 33 33 9 A-A-59637 34 32 8 A-A-59638 35 33 9 A-A-59639 36 32 8 A-A-59640 37 33 9 A-A-59641 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59596C 9 Table VII. Radial internal clearance an
49、d ABEC tolerance codes. FF-B-171/10 codes A-A-59596 codes Code Radial internal clearance Tolerance class Code Tolerance class Radial internal clearance 1 Symbol 2 A Group 2 2 Symbol 0 B Group N 3 Symbol 3 C Group 3 4 Symbol 4 D Group 4 ABEC-1 T ABEC-1 Group 5 E Group 2 F Group N G Group 3 H Group 4 U ABEC-3 Group 5 5 Sym
