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-59627C 9 March 2011 SUPERSEDING A-A-59627B 14 July 2009 COMMERCIAL ITEM DESCRIPTION BEARING, BALL, ANNULAR, SINGLE ROW, ANGULAR CONTACT, CONTACT ANGLE 11 THROUGH 2
3、2, 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 a
4、re 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 mountin
5、g configurations listed below: Class 3 - dimension series 04 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 configurations
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 wit
7、hout license from IHS-,-,-A-A-59627C 2 specified for the listed bearing sizes from dimension series 04 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 specifie
8、d 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 04). Bearing size code Bore diameter (mm) Outside diameter (mm) Width (mm) Chamfe
9、r r/min. (mm) Minimum shaft shoulder diameter 1(mm) Dynamic load rating (minimum)(lbs.) 05 25 80 21 1.5 34 7,710 06 30 90 23 1.5 39 9,925 07 35 100 25 1.5 44 11,605 08 40 110 27 2.0 50 14,360 09 45 120 29 2.0 55 15,530 1Listed for reference purposes only. Shoulder height shall be determined to provi
10、de 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. 3.2 Materials. 3.2.1 Rings. The bearing ring material shall be
11、chromium-alloy steel 52100 (UNS G52986) as specified in ASTM International (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 sha
12、ll 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 shall be determined in accordance with ASTM E112, “Standard Methods for Determining Average Grain Size“. 3.2.2 Balls. The bearing ball material shall
13、 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 through-hardened no less than 60 HRC and no more than 67 HRC as defined in ASTM
14、 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 chemical substance expected to contact the bearing during normal use or storage.
15、Similarly, the material shall not cause any chemical deterioration of any 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
16、 order, the cage material shall be one of the optional coded types listed in table II (see 7.3(c). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59627C 3 TABLE II. Cage materials. Code 1Material type J Pressed steel M Machined bronze or brass P
17、 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-171/23. 3.2.4 Shields and seals. Unless otherwise specified in the acquisition order, the shield and seal configuration for the bearing sha
18、ll 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 1Configuration option A Open X Other (s
19、pecify in acquisition order) 1No significant changes from FF-B-171/23. 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 deterio
20、ration 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. The shield or seal material shall remain functionally effecti
21、ve 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 Precision tolerance. The bearing precision tolerance level shall conform to Annular Bearing Engineers Committee (ABEC) class ABEC-1, ABEC-3, ABEC-5, o
22、r 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 tolerance requirements. Code Tolerance class B ABEC-1 F ABEC-3 K ABEC-5 P ABEC-7 Provided by IHSNot for ResaleNo reproduction or networking permitted wit
23、hout license from IHS-,-,-A-A-59627C 4 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 shields and/or seals are required. 3.4 Lu
24、brication 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 bearing void (the airspace between the
25、 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 Lubricant or preservative compound B Gr
26、ease 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 order) 3.5 Duplex mounting. When re
27、quired, the adjoining faces of bearings used in duplex applications shall 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
28、 (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 requirements shall be listed in the acquisition order (see 7.3(j). 4. REGULATORY REQUIREMENTS 4.1 Recovered materials. The offeror/contractor is enc
29、ouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59627C 5 4.2 Foreign acquisition restrictions.
30、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 CONFORMANCE PROVISIONS 5.1 Product
31、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 government reserves the right to requi
32、re 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, packing, and marking. Unless otherwise specified in the acquisition order, the bearings supplied shall be p
33、reserved, packaged, and marked in accordance with MIL-DTL-197 (see 7.3(k). 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. AA59627 - 3 08 J A B B U Example of reference part number: Dup
34、lex mounting code (see table VI) Lubricant and preservative code (see table 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 3 - dimension series 04 CID number AA59627 - 3 08 J A B B U indicates: b
35、oundary dimension series 04; bore diameter 40 mm, outside diameter 110 mm, width 27 mm; pressed steel cage; open, no shield or seal; ABEC-1 tolerance class; filled with grease in accordance with MIL-PRF-81322; universal duplex mounting. Provided by IHSNot for ResaleNo reproduction or networking perm
36、itted without license from IHS-,-,-A-A-59627C 6 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 copies of DFARS may be obtained from http:/www.acq.osd.mil/dpap/dars/dfa
37、rspgi/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, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094. Electroni
38、c 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. Electronic copies may be obtained from http:/www.abma-dc.org/. 7.2.4 ASTM
39、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/. 7.3 Ordering data. The acquisition order should specify the following information: a. CID d
40、ocument number, revision, and CID PIN. b. 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).
41、 g. Precision tolerance requirement (see 3.3). 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. Tabl
42、es VII, VIII, and IX contain cross-reference data for the PIN information as listed in FF-B-171/23 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
43、lists the FF-B-171 specification sheets, the 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-59627C 7 TABLE VII. Federal specification to CID cross-reference. FF-B-171
44、 specification sheets ABMA dimension series 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-59
45、598 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-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-5963
46、3 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 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59627C 8 TABLE VIII. Radial internal clearance and A
47、BEC tolerance codes. FF-B-171/23 codes A-A-59627C codes Code Radial internal clearance Tolerance class Code Tolerance class 1 Symbol 2 ABEC-1 B ABEC-1 2 Symbol 0 3 Symbol 3 4 Symbol 4 F ABEC-3 5 Symbol 2 ABEC-5 K ABEC-5 6 Symbol 0 7 Symbol 3 8 Symbol 4 P ABEC-7 TABLE IX. Lubricant and preservative r
48、equirements codes. FF-B-171/23 codes A-A-59627C 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 Grease IAW MIL-PRF-23827 D Grease with SRI-2 or equ
49、ivalent 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) 7.5 Subject term (key word) listing. ABEC cage precision tolerance rings Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
