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-59635B 9 March 2011 SUPERSEDING A-A-59635A 26 March 2008 COMMERCIAL ITEM DESCRIPTION BEARING, BALL, ANNULAR, SINGLE ROW, ANGULAR CONTACT, CONTACT ANGLE 33 THROUGH
3、45, DIMENSION SERIES 04 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 bearings
4、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 mounti
5、ng configurations listed below: Class 3 - dimension series 04 Size - 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 configuration (
6、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 with
7、out license from IHS-,-,-A-A-59635B 2 specified for the listed bearing sizes from dimension series 04 in 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
8、the acquisition order (see 7.3(b). For unlisted bearing sizes, the dimensional and dynamic load rating requirements should be specified in the acquisition order. TABLE I. Dimensional requirements (ABMA series 04). 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) (lb.) 05 25 80 21 1.5 34 5,770 06 30 90 23 1.5 39 7,410 07 35 100 25 1.5 44 9,425 08 40 110 27 2.0 50 10,150 09 45 120 29 2.0 55 12,355 10 50 130 31 2.1 62 14,950 11 55 140 33 2.1 67 17,230 12 60 150 35 2.1 72 18,665 13 65 160 3
10、7 2.1 77 20,130 14 70 180 42 3.0 84 23,160 15 75 190 45 3.0 89 24,715 16 80 200 48 2.5 94 27,920 17 85 210 52 4.0 103 29,565 18 90 225 54 4.0 108 33,270 20 100 250 58 4.0 118 38,160 1Listed for reference purposes only. Shoulder height shall be determined to provide sufficient clearance for the direc
11、t 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. 3.2 Materials. 3.2.1 Rings. The bearing ring material shall be chromium-alloy steel 52100 (UNS G5298
12、6) as specified in ASTM International (ASTM) A295/A295M, “Standard Specification for High-Carbon Anti-Friction Steel“. The finished rings shall not exceed the associated billet material inclusion rating that is also specified in ASTM A295/A295M. Ring hardness shall be at least 58 HRC as defined in A
13、STM E18, “Standard Test Methods for Rockwell 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“. Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
14、nse from IHS-,-,-A-A-59635B 3 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 rating, which is also specified in ASTM A295/A295M. Balls shall be throu
15、gh-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 deterioration from any lubricant, preservative, solvent, or other chemica
16、l 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 to 250 F (-40 to 121 C). Non-metallic cage materials shall operate from -20 to 2
17、50 F (-30 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 Pressed steel M Machined bronze or brass P Molded plastic (nylon 6/6 or equal) T Machin
18、ed non-metallic (phenolic) Y Pressed brass X Other (specify in acquisition order) 1No significant change from FF-B-171/31. 3.2.4 Shields and 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
19、 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 1Configuration option A Open (no shield or seal) X Other (specify in acquisition orde
20、r)1 No significant changes from FF-B-171/31. 3.2.4.1 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,
21、 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 seal material shall remain functionally effective at a minimum temperatur
22、e range of -20 F to Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59635B 4 250 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 Precision tolerance. The bearing precision tolerance level shall
23、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 no load radial internal clearance shall be one of the coded options listed in table IV (see 7.3(g). TABLE IV. Precision tolerance requireme
24、nts. Code Tolerance class Radial internal clearance A ABEC-1 Group 2 (less than normal) B Group N (normal) C Group 3 (greater than normal) D Group 4 (greater than group 3) T Group 5 (greater than group 4) E ABEC-3 Group 2 (less than normal) F Group N (normal) G Group 3 (greater than normal) H Group
25、4 (greater than group 3) U Group 5 (greater than group 4) J ABEC-5 Group 2 (less than normal) K Group N (normal) L Group 3 (greater than normal) M Group 4 (greater than group 3) V Group 5 (greater than group 4) N ABEC-7 Group 2 (less than normal) P Group N (normal) R Group 3 (greater than normal) S
26、Group 4 (greater than group 3) W 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 approved coded options listed in table V (see 7.3(h). Wh
27、en 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“. Provided by IHSNot for R
28、esaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59635B 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-24508H Grease in accordance with MIL-PRF-23827L
29、 Grease with SRI-2 or qualified equivalent S No fill T Preservation compound in accordance with MIL-DTL-197X 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 marked for proper mounting.
30、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 back T Tandem U Universal (F,
31、B, or T) 3.6 Preload. Preload specifications 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
32、 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 (DFARS) apply to products
33、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 product offered for sale in t
34、he 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-59635B 6 5.2 Market acceptability. The products offered must have been previously sold either to th
35、e 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, packed, and marked in accordance with MIL-DTL-197 (see 7.3(k). 7. NOTES 7.1 Part or identification number (PIN
36、). The following PIN procedure is for government purposes and does not constitute a requirement for the contractor. AA59635 - 3 06 J A B E 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) Shi
37、eld and seal code (see table III) Cage material code (see table II) Bearing size code (see table I) Class 3 - dimension series 04 CID number AA59635 - 3 06 J A B E U indicates: boundary dimension series 04; bore diameter 30 mm, outside diameter 90 mm, width 23 mm; pressed steel cage; open (no shield
38、s or seals); ABEC-1 tolerance class, normal radial internal clearance; filled with grease in accordance with DOD-G-24508; 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, Pittsburg
39、h, 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 from Standard
40、ization 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-,-,-A-A-59635B 7 7.2.3 ABMA standards. Copies
41、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 obtained from ASTM International, 100 Barr Ha
42、rbor 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. Bearing size (with dimension/load requirements
43、 if size is unlisted) (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 requirements (see 3.3). h. Lubricant and preservative requirements (see 3.4).
44、i. Duplex mounting requirement, if required (see 3.5). j. Preload requirements, if required (see 3.6). k. Preservation, packing, 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-171/31 and t
45、his 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 VII lists the FF-B-171 specification sheets, the corresponding dimension series, the CID class codes, an
46、d the replacement CIDs. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59635B 8 TABLE VII. Federal specification to CID cross-reference. FF-B-171 specification sheets ABMA dimension series CID classcodes Replacement CID numbers 1 02, 03, 10 1, 2
47、, 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 - Canceled 18 03 Cance
48、led 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-A-59638 35 33 9
49、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-59635B 9 TABLE VIII. Radial internal clearance and ABEC tolerance codes. FF-B-171/31 codes A-A-59635B codes Code Radial internal clearance Tolerance class Code Tolerance class Radial
