1、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 Jefferson Davis Highway, Richmond, VA 23297-5616. FSC 3110 METRIC A-A-59600C
2、6 April 2009 SUPERSEDING A-A-59600B 27 May 2004 COMMERCIAL ITEM DESCRIPTION BEARING, BALL, ANNULAR, DOUBLE ROW, RADIAL, INTERNAL SELF-ALIGNING, DIMENSION SERIES 23 The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This
3、commercial item description (CID) covers metric, double row, radial, internal self-aligning, annular ball bearings for general-purpose use. These bearings are not intended for use in critical aeronautical or critical special precision applications. 2. CLASSIFICATION. The ball bearings shall be class
4、ified by the class, sizes, cage materials, bore designs, precision tolerances, and lubricant and preservative requirements listed below: Class 7 - dimension series 23 Sizes - bearing dimensions (see Table I) Cage materials (see Table II) Bore designs (see Table III) Precision tolerances (see Table I
5、V) 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 bearing sizes. The listed dimensions conform to the requirements specified for the listed beari
6、ng sizes from dimension series 23 in the American Bearing Manufacturers Association (ABMA) Standard 20, “Radial Bearings of Ball, Cylindrical Roller, and Spherical Roller Types, Metric Design“. The bearing size shall be as specified in the Provided by IHSNot for ResaleNo reproduction or networking p
7、ermitted without license from IHS-,-,-A-A-59600C acquisition order (see 7.3(b). For unlisted bearing sizes, the dimensional and dynamic load rating requirements should also be specified in the acquisition order. Table I. Dimensional requirements (ABMA series 23). Bearing size code Bore diameter (mm)
8、 Outside diameter (mm) Width (mm) Chamfer r/min. (mm) Minimum shaft shoulder diameter1 (mm) Dynamic load rating (minimum) (lbs.) 00 10 35 17 0.6 15 1,750 01 12 37 17 1.0 18 1,985 02 15 42 17 1.0 21 2,060 03 17 47 19 1.0 23 2,500 04 20 52 21 1.1 27 3,085 05 25 62 24 1.1 32 4,135 06 30 72 27 1.1 37 5,
9、300 07 35 80 31 1.5 43.5 6,635 08 40 90 33 1.5 48.5 7,590 09 45 100 36 1.5 53.5 9,280 10 50 110 40 2.0 60 11,070 11 55 120 43 2.0 65 12,780 12 60 130 46 2.1 72 14,865 13 65 140 48 2.1 77 16,058 14 70 150 51 2.1 82 17,625 15 75 160 55 2.1 87 19,380 16 80 170 58 2.1 92 21,910 17 85 180 60 3.0 99 23,66
10、5 18 90 190 64 3.0 104 25,420 19 95 200 67 3.0 109 27,920 20 100 215 73 3.0 114 31,140 21 105 225 77 3.0 119 32,995 22 110 240 80 3.0 124 35,055 1Listed for reference purposes only. Shoulder height shall be determined to provide sufficient clearance for the direct application of bearing removal forc
11、e against the bearing inner ring. If the required minimum clearance is not available, an alternative non-destructive bearing removal capability shall be provided. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59600C 3.2 Materials. 3.2.1 Rings
12、. 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 Anti-Friction Bearing Steel“. The finished rings shall not exceed the associated billet material inclusion rating also specifie
13、d 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 of the ring material shall be determined in accordance with ASTM E 112, “Standard Methods for Determining Average Grain Size“. 3
14、.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 billet material inclusion rating, which is also specified in ASTM A 295/A 295M. Balls shall be through-hardened no less than 60
15、 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. 3.2.3 Cages. The bearing cage material shall be impervious to deterioration from any lubricant, preservative, solvent, or other chemical substance expected to
16、contact the bearing during normal use or storage. Similarly, the material shall not cause any chemical deterioration of any other bearing component. Metallic cage materials shall operate -40 F to 250 F (-40 C to 121 C). Non-metallic cage materials shall operate from -20 F to 250 F (-30 C to 121 C).
17、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 Machined non-metallic (pheno
18、lic) Y Pressed brass X Other (specify in acquisition order) 1No significant changes from FF-B-171/14. 3.3 Bore design. All self-aligning bearings shall have either a cylindrical or tapered bores (taper 1:12) and shall be identified by one of the codes listed in Table III. The bore design shall be sp
19、ecified in the acquisition order (see 7.3(d). Table III. Bore designs. 1No significant changes from FF-B-171/14. Code1Configuration option C Cylindrical bore (no shields or seals) T Tapered bore (no shields or seals) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
20、nse from IHS-,-,-A-A-59600C 3.4 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 one of
21、the coded options listed in Table IV (see 7.3(e). 3.4.1 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 requi
22、red. 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) G G
23、roup 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 (norma
24、l) R Group 3 (greater than normal) S Group 4 (greater than group 3) W ABEC-7 Group 5 (greater than group 4) 3.5 Lubrication and preservation requirements. Unless otherwise specified in the acquisition order, the bearing lubricant or preservative requirement shall be as selected from the approved cod
25、ed options listed in Table V (see 7.3(f). 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 Parts
26、and Subassemblies“. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59600C 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-G-245
27、08 H Grease in accordance with MIL-PRF-23827 L Grease with SRI-2 or qualified equivalent 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 offeror/contractor is encouraged to use recover
28、ed 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 252.225, Clause 252.225.7016 of the Defense Fede
29、ral 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 CID, conform to the producers own drawings, specifications, standards, and quality as
30、surance 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 previously sold either to the government or on the commercial market. 6. PAC
31、KAGING 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(g). 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
32、 IHS-,-,-A-A-59600C 7. NOTES 7.1 Part or identification number (PIN). The following PIN procedure is for government purposes and does not constitute a requirement for the contractor. AA59600 - 7 08 J C B B Example of reference part number: Lubricant and preservative code (see Table V) Precision tole
33、rance code (see Table IV) Bore design code (see Table III) Cage material code (see Table II) Bearing size code (see Table I) Class 7 - dimension series 23 CID number AA59600 - 7 08 J C B B indicates: boundary dimension series 23; bore diameter 40 mm, outside diameter 90 mm, width 33 mm; pressed stee
34、l cage; cylindrical bore (no shields or seals); ABEC-1 tolerance class, normal radial internal clearance; filled 25-50 percent with grease in accordance with MIL-PRF-81322. 7.2 Sources of documents. 7.2.1 ABMA standards. Copies of ABMA standards may be obtained from the American Bearing Manufacturer
35、s 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 International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428
36、-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 15250-7954. Electronic copies of the FAR may be obtained from http:/www.arnet.go
37、v/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 Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia,
38、 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 from IHS-,-,-A-A-59600C 7.3 Ordering data. The acquisition order should speci
39、fy the following: 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. Bore design (see 3.3). e. Precision tolerance requirement (see 3.4). f. Lubricant and preservative requirements (se
40、e 3.5). g. Preservation, packaging, and marking requirements (see 6.1). 7.4 Codes cross-reference. Tables VI, VII, and VIII contain cross-reference data for the part identification number information as listed in FF-B-171/14 and this CID. 7.4.1 Bearing class designations. The CIDs replacing 33 of th
41、e 37 associated specification sheets of FF-B-171 have been assigned class codes corresponding to ABMA dimension series. Table VI lists the FF-B-171 specification sheets, the corresponding dimension series, the CID class codes, and the replacement CIDs. 7 Provided by IHSNot for ResaleNo reproduction
42、or networking permitted without license from IHS-,-,-A-A-59600C Table VI. Federal specification to CID cross-reference. FF-B-171 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
43、 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-59598 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
44、-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-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 8 Provided by IHSNot
45、for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59600C Table VII. Radial internal clearance and ABEC tolerance codes. FF-B-171/14 codes A-A-59600 codes Code Radial internal clearance Tolerance Class Code Tolerance class Radial internal clearance 1 Symbol 2 A Group
46、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 Symbol 2 J Group 2 6 Symbol 0 K Group N 7 Symbol 3 L Group 3 8 Symbol 4 M Group 4 ABEC-5 V ABEC-5 Group 5 N Group 2 P Group N R Group 3 S Group 4 W ABEC
47、-7 Group 5 Table VIII. Lubricant and preservative requirements codes. FF-B-171/14 codes A-A-59600 codes Code Lubricant or preservative Code Lubricant or preservative A Grease IAW MIL-PRF-81322 B Grease IAW MIL-PRF-81322 B Grease IAW DOD-G-24508 E Grease IAW DOD-G-24508 C Grease IAW MIL-PRF-23827 H G
48、rease IAW MIL-PRF-23827 D Grease with SRI-2 or equivalent L Grease with SRI-2 or qualified equivalent E Preservation compound IAW MIL-DTL-197 T Preservation compound IAW MIL-DTL-197 S No fill X Other (specify in the acquisition order) 9 Provided by IHSNot for ResaleNo reproduction or networking perm
49、itted without license from IHS-,-,-A-A-59600C 10 7.5 Subject term (key word) listing. ABEC cage precision tolerance rings MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: Custodians: Army - AT Navy - OS Air Force - 99 GSA - FAS Review Activities: Army - GL, MI Air Force - 11, 84 Preparing Acti
