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-59624C 22 February 2011 SUPERSEDING A-A-59624B 27 May 2009 COMMERCIAL ITEM DESCRIPTION BEARING, BALL, ANNULAR, SINGLE ROW, ANGULAR CONTACT, CONTACT ANGLE 11 THROUG
3、H 22, DIMENSION SERIES 10 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 4 - dimension series 10 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 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 Provided by IHSNot for ResaleNo reproduction or networking perm
7、itted without license from IHS-,-,-A-A-59624C 2 listed bearing sizes from dimension series 10 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
8、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 10). Bearing size code Bore diameter (mm) Outside diameter (mm) Width (mm) Chamfer r/min.
9、(mm) Minimum shaft shoulder diameter 1(mm) Dynamic load rating, (minimum)(lbs.) 00 10 26 8 0.3 12.5 79501 12 28 8 0.3 14.5 87002 15 32 9 0.3 17.5 94003 17 35 10 0.3 19.5 1,32004 20 42 12 0.6 25 1,68005 25 47 12 0.6 30 1,86506 30 55 13 1.0 36 2,41007 35 62 14 1.0 41 2,91008 40 68 15 1.0 46 3,00009 45
10、 75 16 1.0 51 3,71510 50 80 16 1.0 56 3,82011 55 90 18 1.1 62 5,20512 60 95 18 1.1 67 5,35013 65 100 18 1.1 72 5,48014 70 110 20 1.1 77 6,47015 75 115 20 1.1 82 6,61016 80 125 22 1.1 87 8,50017 85 130 22 1.1 92 8,69018 90 140 24 1.5 98.5 10,51519 95 145 24 1.5 103.5 12,45020 100 150 24 1.5 108.5 10,
11、99021 105 160 26 2.0 115 13,02022 110 170 28 2.0 120 15,10024 120 180 28 2.0 130 15,37026 130 200 33 2.0 140 21,05528 140 210 33 2.0 150 20,81530 150 225 35 2.1 162 23,81032 160 240 38 2.1 172 26,98034 170 260 42 2.1 182 32,31036 180 280 46 2.1 192 36,0351Listed for reference purposes only. Shoulder
12、 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-destructive bearing removal capability shall be provided. Provided by IHSNot for Resa
13、leNo reproduction or networking permitted without license from IHS-,-,-A-A-59624C 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 (ASTM) A295/A295M, “Standard Specification for High-Carbon Anti-Friction Beari
14、ng 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 Rockwell Hardness of Metallic Materials“. The grain size of the ring material sh
15、all 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/A295M. The finished balls shall not exceed the associated billet material inclusion
16、 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 accordance with ASTM E112. 3.2.3 Cage. The bearing cage material shall be impervious to
17、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. Metallic cage materials shall operate from -40 F to 25
18、0 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 in table II (see 7.3(c). TABLE II. Cage materials. Code 1Material type J Presse
19、d 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-171/20. 3.2.4 Shields and seals. Unless otherwise specified in the acquisition order, the shield and se
20、al 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 to be located (see 7.3(e). TABLE III. Shield and seal configurations. Code 1Co
21、nfiguration option A Open X Other (specify in acquisition order) 1No significant changes from FF-B-171/20. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59624C 4 3.2.4.1 If a single shield or seal is required, the shield or seal material shall
22、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 substance expected to contact the bearing during normal use or storage. Similarly, th
23、e 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 non-metallic and -40 F to 250 F (-40 C to 121 C) for metallic materials. 3.3 Pre
24、cision 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 of the coded options listed in table IV (see 7.3(g). TABLE IV. Precision tolera
25、nce 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 should be consulted for availability of desired precision tolerances when shiel
26、ds 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 coded options listed in table V (see 7.3(h). When grease fill is required, the be
27、aring 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 and Subassemblies“. TABLE V. Lubricant and preservative requirements. Code Lub
28、ricant or preservative compound B Grease in accordance with MIL-PRF-81322 E Grease in accordance with DOD-G-24508 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
29、 order) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59624C 5 3.5 Duplex mounting. When required, the adjoining faces of bearings used in duplex applications shall be match ground and marked for proper mounting. The duplex mounting configurati
30、on 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 to face B Back to back T Tandem U Universal (F, B, or T) 3.6 Preload. Preload r
31、equirements 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 accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4.
32、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 Regulation Supplement (DFARS) apply to products described by this CID. 5. PRODUCT
33、 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, and be the same product offered for sale in the commercial marketplace. The go
34、vernment reserves the right to require proof of such conformance. 5.2 Market acceptability. The products offered must have been previously sold either to the government or on the commercial market. 6. PACKAGING 6.1 Preservation, packaging, and marking. Unless otherwise specified in the acquisition o
35、rder, the bearings supplied shall be preserved, packaged, and marked in accordance with MIL-DTL-197 (see 7.3(k). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59624C 6 7. NOTES 7.1 Part or identification number (PIN). The following PIN procedur
36、e is for government purposes and does not constitute a requirement for the contractor. AA59624 - 4 08 J A B B U Example of reference part number: Duplex mounting code (see table VI) Lubricant and preservative code (see table V) Precision tolerance code (see table IV) Shield and seal code (see table
37、III) Cage material code (see table II) Bearing size code (see table I) Class 4 - dimension series 10 CID number AA59624 - 4 08 J C B B U indicates: boundary dimension series 10; bore diameter 40 mm, outside diameter 80 mm, width 18 mm; pressed steel cage; open, no shield or seal; ABEC-1 tolerance cl
38、ass, 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 Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954. Electronic c
39、opies 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 military specifications may be obtained from Standardization Documents Order Desk,
40、700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094. Electronic copies may be obtained from https:/assist.daps.dla.mil/. 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. Ele
41、ctronic copies may be obtained from http:/www.abma-dc.org/. 7.2.4 ASTM standards. Copies of ASTM standards may be 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/. Provided by IHSNot f
42、or ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59624C 7 7.3 Ordering data. The acquisition order should specify the following: a. CID document number, revision, and CID PIN. b. Bearing size (with dimension/load requirements if size is unlisted), if different (see 3
43、.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 3.3). h. Lubricant and preservative requirements (see 3.4). i. Duplex mounting configurat
44、ion, 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-reference data for the PIN information as listed in FF-B-171/20 and this CID. 7.4.1 Bearing cla
45、ss 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, the corresponding dimension series, the CID class codes, and the replacement CIDs. Provid
46、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59624C 8 TABLE VII. 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-5958
47、2 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 19 - Canceled 16 10 - Canceled 17 02 - Canceled 18 03 - Canceled 19 19 5 A-A-59623 20
48、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 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-596
49、40 37 33 9 A-A-59641 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59624C 9 TABLE VIII. Radial internal clearance and ABEC tolerance codes. FF-B-171/20 codes A-A-59624C codes Radial internal clearance Tolerance Class Code Tolerance class 1 Symbol 2 2 Symbol 0 3 Symbol 3
