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-59631B 28 January 2011 SUPERSEDING A-A-59631A 6 August 2004 COMMERCIAL ITEM DESCRIPTION BEARING, BALL, ANNULAR, SINGLE ROW, ANGULAR CONTACT, CONTACT ANGLE 23 THROU
3、GH 32, 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 bearin
4、gs 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 mou
5、nting 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 configurati
6、ons (see table VI) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59631B 2 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 lis
7、ted dimensions conform to the requirements 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 spec
8、ified 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) Ch
9、amfer r/min. (mm) Minimum shaft shoulder diameter 1(mm) Dynamic load rating (minimum) (lbs.) 00 25 80 21 1.5 34 6,430 06 30 90 23 1.5 39 8,305 07 35 100 25 1.5 44 10,535 08 40 110 27 2.0 50 11,385 09 45 120 29 2.0 55 14,835 10 50 130 31 2.1 62 16,780 11 55 140 33 2.1 67 19,305 12 60 150 35 2.1 72 20
10、,960 13 65 160 37 2.1 77 22,650 14 70 180 42 3.0 84 26,070 15 75 190 45 3.0 89 27,860 16 80 200 48 3.0 94 31,355 17 85 210 52 4.0 1.3 33,245 18 90 225 54 4.0 108 37,535 1 Listed for reference purposes only. Shoulder height shall be determined to provide sufficient clearance for the direct applicatio
11、n 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 G52986) as specif
12、ied 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 shall be at least 58 HRC as defined in ASTM E18, “St
13、andard Test Methods for Rockwell Hardness and Rockwell Superficial 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
14、permitted without license from IHS-,-,-A-A-59631B 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
15、. 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 deterioration from any lubricant, preservative, sol
16、vent, 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 250 F (-40 C to 121 C). Non-metallic cage materials s
17、hall 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 Pressed steel M Machined bronze or brass P Molded plastic
18、 (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-171/27. 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 t
19、he 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 (specify in acqu
20、isition order) 1 No significant changes from FF-B-171/27. 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 a
21、ny 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 effective at a minim
22、um temperature range of -20 F to Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59631B 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
23、 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 tolerance requirements. Code Tolerance class B ABEC-1 F
24、 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 shields and/or seals are required. 3.4 Lubrication and
25、 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 inner and ou
26、ter 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 Grease in accor
27、dance 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 required, the a
28、djoining 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 (see 7.3(i).
29、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59631B 5 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 or
30、der (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). 4.2 Foreign acquisition restrictions. Unless otherw
31、ise 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 conformance.
32、 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 require proof of
33、such conformance. 5.2 Market acceptability. The product 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 preserved, pac
34、ked, 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. Provided by IHSNot for ResaleNo reproduction or networking permitted without
35、license from IHS-,-,-A-A-59631B 6 AA59631 3 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 III) Cage material code (see table II) Bearing size cod
36、e (see table I) Class 3 - dimension series 04 CID numberAA59631 - 3 08 J A B B U indicates: boundary 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-8132
37、2; 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 copies of DFARS may be obtained from http:/www.acq.osd.mil/dpap/dars/dfarspgi/current/inde
38、x.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. Electronic copies may be ob
39、tained 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 standards. Copies
40、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. Acquisition documents should specify the following information: a. CID document number, re
41、vision, 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). g. Precision tole
42、rance requirement (see 3.3). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59631B 7 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.
43、 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-171/27 and this CID. 7.4.1 Bearing class designations. The CIDs replacing 33 of 37 associated specification sheets of
44、 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. Provided by IHSNot for ResaleNo reproduction or networking permitted without license
45、from IHS-,-,-A-A-59631B 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, 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
46、-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 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-596
47、28 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-59640 37 33 9 A-A-59641 Provided by IHSNot for ResaleNo reproduction or networking perm
48、itted without license from IHS-,-,-A-A-59631B 9 TABLE VIII. Radial internal clearance and ABEC tolerance codes. FF-B-171/27 codes A-A-59631B codes Code Radial internal clearance Tolerance class Code Tolerance class 1 Symbol 2 2 Symbol 0 3 Symbol 3 4 Symbol 4 ABEC-1 B ABEC-1 F ABEC-3 5 Symbol 2 6 Sym
49、bol 0 7 Symbol 3 8 Symbol 4 ABEC-5 K ABEC-5 P ABEC-7 TABLE IX. Lubricant and preservative requirements codes. FF-B-171/27 codes A-A-59631B 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
