1、Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to: STDZNMGTdla.mil or Defense Logistics Agency Aviation VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616. Since contact information can change, you m
2、ay want to verify the currency of this address information using the ASSIST database at https:/assist.daps.dla.mil/. FSC 3110 METRIC A-A-59625C 22 February 2011 SUPERSEDING A-A-59625B 27 May 2009 COMMERCIAL ITEM DESCRIPTION BEARING, BALL, ANNULAR, SINGLE ROW, ANGULAR CONTACT, CONTACT ANGLE 11 THROUG
3、H 22, DIMENSION SERIES 02 The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item description (CID) covers metric, single row, angular contact, annular ball bearings for general-purpose use. These bearing
4、s are not intended for use in critical aeronautical or critical special precision applications. 2. CLASSIFICATION. The ball bearings shall be classified by the class, sizes, cage materials, shield and seal configurations, precision tolerances, lubricant and preservative requirements, and duplex moun
5、ting configurations listed below: Class 1 - dimension series 02 Sizes - bearing dimensions (see table I) Cage materials (see table II) Shield and seal configurations (see table III) Precision tolerances (see table IV) Lubricant and preservative requirements (see table V) Duplex mounting configuratio
6、ns (see table VI) 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 Provided by IHSNot for ResaleNo reproduction or networking permitted
7、without license from IHS-,-,-A-A-59625C 2 specified for the listed bearing sizes from dimension series 02 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 speci
8、fied in the 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 02). Bearing size code Bore diameter (mm) Outside diameter (mm) Width (mm) Cha
9、mfer r/min. (mm) Minimum shaft shoulder diameter 1(mm) Dynamic load rating, minimum (lbs.) 00 10 30 9 0.6 15 1,16001 12 32 10 0.6 17 1,31002 15 35 11 0.6 20 1,55503 17 40 12 0.6 22 1,92504 20 47 14 1.0 26 2,20005 25 52 15 1.0 31 2,66006 30 62 16 1.0 36 2,92507 35 72 17 1.1 42 4,07008 40 80 18 1.1 47
10、 5,39009 45 85 19 1.1 52 5,35510 50 90 20 1.1 57 5,80511 55 100 21 1.5 63.5 8,47012 60 110 22 1.5 68.5 9,18513 65 120 23 1.5 73.5 11,12514 70 125 24 1.5 78.5 11,97015 75 130 25 1.5 83.5 13,74516 80 140 26 2.0 90 13,09517 85 150 28 2.0 95 15,99018 90 160 30 2.0 100 20,45019 95 170 32 2.1 107 21,18020
11、 100 180 34 2.1 112 24,01521 105 190 36 2.1 117 25,93522 110 200 38 2.1 122 28,26024 120 215 40 2.1 132 30,56026 130 230 40 3.0 144 24,26028 140 250 42 3.0 154 36,69530 150 270 45 3.0 164 42,03032 160 290 48 3.0 174 47,56534 170 310 52 4.0 188 51,17536 180 320 52 4.0 198 53,06538 190 340 55 4.0 208
12、57,98040 200 360 58 4.0 218 60,8701Listed 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 clearance is not available, an alternative non-destru
13、ctive bearing removal capability shall be provided. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59625C 3 3.2 Materials. 3.2.1 Rings. The bearing ring material shall be chromium-alloy steel 52100 (UNS G52986) as specified in ASTM International
14、 (ASTM) A295/A295M, “Standard Specification for High-Carbon Anti-Friction Bearing Steel“. The finished rings shall not exceed the associated billet material inclusion rating also specified in ASTM A295/A295M. Ring hardness shall be at least 58 HRC as defined in ASTM E18, “Standard Test Methods for R
15、ockwell Hardness of Metallic Materials“. The grain size of the ring material shall be determined in accordance with ASTM E112, “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 A295/A295
16、M. The finished balls shall not exceed the associated billet material inclusion rating, which is also specified in ASTM A295/A295M. Balls shall be through-hardened no less than 60 HRC and no more than 67 HRC as defined in ASTM E18. The grain size of the ball material shall be determined in accordanc
17、e with ASTM E112. 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, the material shall not cause any chemical deterioration of any
18、other bearing component. Metallic cage materials shall operate from -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). Unless otherwise specified in the acquisition order, the cage material shall be one of the optional coded types listed
19、in table II (see 7.3(c). TABLE II. Cage materials. Code 1Material type J Pressed steel M Machined bronze or brass P Molded plastic (nylon 6/6 or equal) T Machined non-metallic (phenolic) Y Pressed brass X Other (specify in acquisition order) 1No significant changes from FF-B-171/21. 3.2.4 Shields an
20、d seals. Unless otherwise specified in the acquisition order, the shield and seal configuration for the bearing shall be one of the coded options listed in table III (see 7.3(d). The acquisition order shall state which side of the outer ring (heavy shoulder or counterbore side) the shield or seal is
21、 to be located (see 7.3(e). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59625C 4 TABLE III. Shield and seal configurations. Code 1Configuration option A Open X Other (specify in acquisition order) 1No significant changes from FF-B-171/21. 3.2
22、.4.1 If a single shield or seal is required, the shield or seal material shall be as recommended by the manufacturer, unless otherwise specified in the acquisition order (see 7.3(f). The material shall be impervious to deterioration from any lubricant, preservative, solvent, or other chemical substa
23、nce 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 seal material shall remain functionally effective at a minimum temperature range of -20 F to 250 F (-30 C to 121 C) for n
24、on-metallic and -40 F to 250 F (-40 C to 121 C) for metallic materials. 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 shall be one
25、of the coded options listed in table IV (see 7.3(g). TABLE IV. Precision tolerance requirements. Code Tolerance class B ABEC-1 F ABEC-3 K ABEC-5 P ABEC-7 3.3.1 Bearing precision tolerance levels and internal clearances may be affected by the addition of shields and/or seals. Manufacturers/suppliers
26、should be consulted for availability of desired precision tolerances when shields and/or seals are required. 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 approved co
27、ded options listed in table V (see 7.3(h). 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
28、 and Subassemblies“. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59625C 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-G-24
29、508 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) 3.5 Duplex mounting. When required, the adjoining faces of bearings used in duplex applications shall
30、be match ground and marked for proper mounting. The duplex mounting configuration shall be one of the coded options listed in table VI. If required, the duplex mounting configuration shall be specified in the acquisition order (see 7.3(i). TABLE VI. Duplex mounting. Code Configuration option F Face
31、to face B Back to back T Tandem U Universal (F, B, or T) 3.6 Preload. Preload requirements shall be listed in the acquisition order (see 7.3(j). 4. REGULATORY REQUIREMENTS 4.1 Recovered materials. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in a
32、ccordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4.2 Foreign acquisition restrictions. Unless otherwise indicated in the solicitation and resulting contract, the foreign acquisition restrictions in Section 252.225, Clause 252.225.7016 of the Defense Federal Acquisition Re
33、gulation 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 assurance practices,
34、 and be the same product offered for sale in the commercial marketplace. The government reserves the right to require proof of such conformance. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59625C 6 5.2 Market acceptability. The products offer
35、ed must have been previously sold either to the government or on the commercial market. 6. PACKAGING 6.1 Preservation, packing, 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(k).
36、 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. AA59625 - 1 08 J A B B U Example of reference part number: Duplex mounting code (see table VI) Lubricant and preservative code (see tabl
37、e V) Precision tolerance code (see table IV) Shield and seal code (see table III) Cage material code (see table II) Bearing size code (see table I) Class 1 - dimension series 02 CID numberAA59625 - 1 08 J C B B U indicates: boundary dimension series 02; bore diameter 40 mm, outside diameter 80 mm, w
38、idth 18 mm; pressed steel cage; open, no shield or seal; ABEC-1 tolerance class, normal radial internal clearance; filled with grease in accordance with MIL-PRF-81322; universal duplex mounting. 7.2 Sources of documents. 7.2.1 DFARS and FAR. Copies of DFARS and FAR may be obtained from the Superinte
39、ndent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954. Electronic copies of DFARS may be obtained from http:/www.acq.osd.mil/dpap/dars/dfarspgi/current/index.html. Electronic copies of FAR may be obtained from https:/www.acquisition.gov/far/. 7.2.2 Military specifications. Copies of militar
40、y specifications may be obtained from Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094. Electronic copies may be obtained from https:/assist.daps.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
41、,-,-A-A-59625C 7 7.2.3 ABMA standards. Copies of ABMA standards may be obtained from the American Bearing Manufacturers Association, 2025 M Street NW, Suite 800, Washington, DC 20036. Electronic copies may be obtained from http:/www.abma-dc.org/. 7.2.4 ASTM standards. Copies of ASTM standards may be
42、 obtained from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959. Electronic copies may be obtained from http:/www.astm.org/. 7.3 Ordering data. The acquisition order should specify the following information: a. CID document number, revision, and CID PIN. b.
43、Bearing size (with dimension/load requirements if size is unlisted), if different (see 3.1). c. Cage material type (see 3.2.3). d. Shield and seal configuration (see 3.2.4). e. Location of shield or seal (see 3.2.4). f. Shield or seal material (see 3.2.4.1). g. Precision tolerance requirement (see 3
44、.3). h. Lubricant and preservative requirements (see 3.4). i. Duplex mounting configuration, if required (see 3.5). j. Preload requirement, if required (see 3.6). k. Preservation, packaging, and marking requirements (see 6.1). 7.4 Codes cross-reference. Tables VII, VIII, and IX contain cross-referen
45、ce data for the PIN information as listed in FF-B-171/21 and this CID. 7.4.1 Bearing class designations. The CIDs replacing 33 of 37 associated specification sheets of FF-B-171 have been assigned class codes corresponding to ABMA dimension series. Table VII lists the FF-B-171 specification sheets, t
46、he 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-59625C 8 TABLE VII. Federal specification to CID cross-reference. FF-B-171 specification sheets ABMA dimension serie
47、s CID classcodes 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-59598 13 22 6 A-A-59599 14 23 7 A-A-59600 15
48、 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-59633 30 03 2 A-A-59634 31 04 3 A-A-59635
49、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-59625C 9 TABLE VIII. Radial internal clearance and ABEC tolerance codes. FF-B-171/21 codes A-A-59625C codes Code Rad
