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-59623C 28 January 2011 SUPERSEDING A-A-59623B 6 April 2009 COMMERCIAL ITEM DESCRIPTION BEARING, BALL, ANNULAR, SINGLE ROW, ANGULAR CONTACT, CONTACT ANGLE 11 THROUG
3、H 22, DIMENSION SERIES 19 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 5 - dimension series 19 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 requirementsProvided by IHSNot for ResaleNo reproduction or networking permitted w
7、ithout license from IHS-,-,-A-A-59623C 2 specified for the listed bearing sizes from dimension series 19 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 specif
8、ied 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 19). Bearing size code Bore diameter (mm) Outside diameter (mm) Width (mm) Cham
9、fer r/min. (mm) Minimum shaft shoulder diameter 1(mm) Dynamic load rating, minimum (lbs.) 00 10 22 6 0.3 12 48001 12 24 6 0.3 14 51002 15 28 7 0.3 17 76003 17 30 7 0.3 19 80004 20 37 9 0.3 22 1,48005 25 42 9 0.3 27 1,19006 30 47 9 0.3 32 1,48007 35 55 10 0.6 39 1,73008 40 62 12 0.6 44 2,20509 45 68
10、12 0.6 49 2,32010 50 72 12 0.6 54 2,98511 55 80 13 1.0 60 3,49512 60 85 13 1.0 65 3,67013 65 90 13 1.0 70 3,73014 70 100 16 1.0 75 5,12015 75 105 16 1.0 80 5,21016 80 110 16 1.0 85 5,30017 85 120 18 1.1 91.5 6,91518 90 125 18 1.1 96.5 8,09519 95 130 18 1.1 101.5 7,16520 100 140 20 1.1 106.5 9,00021
11、105 145 20 1.1 111.5 9,17022 110 150 20 1.1 116.5 8,40024 120 165 22 1.1 126.5 11,30026 130 180 24 1.5 138 13,72528 140 190 24 1.5 148 13,89530 150 210 28 2.0 159 19,19032 160 220 28 2.0 169 19,47034 170 230 28 2.0 179 20,22536 180 250 33 2.0 189 28,56538 190 260 33 2.0 199 26,26040 200 280 38 2.1 2
12、11 33,0601 Listed 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-destructive bearing removal ca
13、pability shall be provided.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59623C 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, “Stan
14、dard 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 Rockwell Hardness of Metal
15、lic 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/A295M. The finished balls sha
16、ll 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 accordance with ASTM E112. 3.2.3 C
17、ages. 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 other bearing component.
18、 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 in table II (see 7.3(c).
19、 TABLE II. Cage materials. Code 1 Material 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) 1 No significant changes from FF-B-171/19. 3.2.4 Shields and seals. Unless otherw
20、ise 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 to be located (see 7.
21、3(e). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59623C 4 TABLE III. Shield and seal configurations. Code 1 Configuration option A Open X Other (specify in acquisition order) 1 No significant changes from FF-B-171/19. 3.2.4.1 If a single shi
22、eld 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 substance expected to cont
23、act 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 non-metallic and -40
24、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 of the coded options
25、 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 should be consulted
26、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 coded options listed i
27、n 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 and Subassemblies“.
28、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59623C 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-24508 H Grease in acco
29、rdance 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 be match ground and
30、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 to face B Back to ba
31、ck 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 accordance with parag
32、raph 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 Regulation Supplement
33、 (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, and be the same pr
34、oduct 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-59623C 6 5.2 Market acceptability. The product offered must have been pr
35、eviously 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(k). 7. NOTES 7.1 Part
36、 or identification number (PIN). The following PIN procedure is for government purposes and does not constitute a requirement for the contractor. AA59623 5 05 J A B B U Example of reference part number: Duplex mounting code (see table VI) Lubricant and preservative code (see table V) Precision toler
37、ance code (see table IV) Shield and seal code (see table III) Cage material code (see table II) Bearing size code (see table I) Class 5 - dimension series 19 CID numberAA59623 - 5 05 J C A B B U indicates: boundary dimension series 19; bore diameter 25 mm, outside diameter 42 mm, width 9 mm; pressed
38、 steel cage; open (no shields or seals); ABEC-1 tolerance class, filled 25 to 50 percent 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 3719
39、54, 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 military specifications may be obtained
40、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/. 7.2.3 ABMA standards. Copies of ABMA standards may be obtained from the American Bearing Manufacturers Association, 2025 M Stre
41、et NW, Suite 800, Washington, DC 20036. Electronic copies may be obtained from http:/www.abma-dc.org/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59623C 7 7.2.4 ASTM standards. Copies of ASTM standards may be obtained from ASTM International
42、, 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: a. CID document number, revision, and CID PIN. b. Bearing size (with dimension/load requirement
43、s 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 3.3). h. Lubricant and preservative requiremen
44、ts (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-reference data for the PIN information as listed in
45、FF-B-171/19 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, the corresponding dimension series, the CID cl
46、ass codes, and the replacement CIDs. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59623C 8 TABLE VII. Federal specification to CID cross-reference. FF-B-171 specification sheets ABMA dimension series CID classcodes Replacement CID numbers 1 02
47、, 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 19 - Canceled 16 10 - Canceled 17 02 - Cance
48、led 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 32 32 8 A-A-59636 33 33 9 A-A-59637 34 32 8 A
49、-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-59623C 9 TABLE VIII. Radial internal clearance and ABEC tolerance codes. FF-B-171/19 codes A-A-59623C codes Code Radial internal clearance Tolerance Class Code
