DLA A-A-59598 C-2009 BEARING BALL ANNULAR DOUBLE ROW RADIAL INTERNAL SELF-ALIGNING DIMENSION SERIES 03.pdf
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1、METRIC A-A-59598C 4 March 2009 SUPERSEDING A-A-59598B 15 December 2003 Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to: STDZNMGTdla.mil or Defense Supply Center Richmond (DSCR), ATTN: DSCR-VEB, 8000 Jeffer
2、son Davis Highway, Richmond, VA 23297-5616. FSC 3110 COMMERCIAL ITEM DESCRIPTION BEARING, BALL, ANNULAR, DOUBLE ROW, RADIAL, INTERNAL SELF-ALIGNING, DIMENSION SERIES 03 The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE.
3、This commercial item description (CID) covers metric, double row, radial, internal self-aligning, annular ball bearings for general-purpose use. These bearings are not intended for use in critical aeronautical or critical special precision applications. 2. CLASSIFICATION. The ball bearings shall be
4、classified by the class, sizes, cage materials, shield and seal configurations, precision tolerances, and lubricant and preservative requirements listed below: Class 2 - dimension series 03 Size - bearing dimensions (see Table I) Cage materials (see Table II) Bore design (see Table III) Precision to
5、lerances (see Table IV) Lubricant and preservative requirements (see Table V) 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 specified
6、 for the listed bearing sizes from dimension series 03 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 acquisition Provided by IHSNot for Resa
7、leNo reproduction or networking permitted without license from IHS-,-,-A-A-59598C 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 03). Bearing size co
8、de Bore diameter (mm) Outside diameter (mm) Width (mm) Chamfer r/min. (mm) Minimum shaft shoulder diameter1 (mm) Dynamic load rating (minimum) (lbs.) 00 10 35 11 0.6 15 1,250 01 12 37 12 1.0 18 1,605 02 15 42 13 1.0 21 1,675 03 17 47 14 1.0 23 2,163 04 20 52 15 1.1 27 2,145 05 25 62 17 1.1 32 3,100
9、06 30 72 19 1.1 37 3,690 07 35 80 21 1.5 43.5 4,230 08 40 90 23 1.5 48.5 5,120 09 45 100 25 1.5 53.5 6,590 10 50 110 27 2.0 60 7,420 11 55 120 29 2.0 65 8,885 12 60 130 31 2.1 72 9,920 13 65 140 33 2.1 77 10,850 14 70 150 35 2.1 82 12,795 15 75 160 37 2.1 87 13,680 16 80 170 39 2.1 92 15,300 17 85 1
10、80 41 3.0 99 16,975 18 90 190 43 3.0 104 20,525 19 95 200 45 3.0 109 23,535 20 100 215 47 3.0 114 24,680 21 105 225 49 3.0 119 26,450 22 110 240 50 3.0 124 27,910 24 120 260 55 3.0 134 33,265 26 130 280 58 4.0 148 37,015 28 140 300 62 4.0 158 42,080 1Listed for reference purposes only. Shoulder heig
11、ht 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. 2 Provided by IHSNot for ResaleN
12、o reproduction or networking permitted without license from IHS-,-,-A-A-59598C 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) A 295/A 295M, “Standard Specification for High-Carbon Anti-Friction Bearing
13、Steel“. The finished rings shall not exceed the associated billet material inclusion rating also specified in ASTM A 295/A 295M. Ring hardness shall be at least 58 HRC as defined in ASTM E 18, “Standard Test Methods for Rockwell Hardness of Metallic Materials“. The grain size of the ring material sh
14、all be determined in accordance with ASTM E 112, “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 A 295/A 295M. The finished balls shall not exceed the associated billet material inclus
15、ion rating, which is also specified in ASTM A 295/A 295M. Balls shall be through-hardened no less than 60 HRC and no more than 67 HRC as defined in ASTM E 18. The grain size of the ball material shall be determined in accordance with ASTM E 112. 3.2.3 Cage. The bearing cage material shall be impervi
16、ous 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. Metallic cage materials shall operate -40 F to
17、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). Table II. Cage materials. Code1Material type J Press
18、ed 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-171/12. 3.3 Bore design. All self-aligning bearings shall have either a cylindrical or tapered bores (
19、taper 1:12) and shall be identified by one of the codes listed in Table III. The bore design shall be specified in the acquisition order (see 7.3(d). Table III. Bore designs. Code1Configuration option C Cylindrical bore (no shields or seals) T Tapered bore (no shields or seals) 1No significant chang
20、es from FF-B-171/12. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59598C 3.4 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 de
21、fined in ABMA Standard 20. The tolerance class and associated radial internal clearance shall be one of the coded options listed in Table IV (see 7.3(e). 3.4.1 Bearing precision tolerance levels and internal clearances may be affected by the addition of shields and/or seals. Manufacturers/suppliers
22、should be consulted for availability of desired precision tolerances when shields and/or seals are required. Table IV. Precision tolerance requirements. Code Tolerance class Radial internal clearance A Group 2 (less than normal) B Group N (normal) C Group 3 (greater than normal) D Group 4 (greater t
23、han group 3) T ABEC-1 Group 5 (greater than group 4) E Group 2 (less than normal) F Group N (normal) G Group 3 (greater than normal) H Group 4 (greater than group 3) U ABEC-3 Group 5 (greater than group 4) J Group 2 (less than normal) K Group N (normal) L Group 3 (greater than normal) M Group 4 (gre
24、ater than group 3) V ABEC-5 Group 5 (greater than group 4) N Group 2 (less than normal) P Group N (normal) R Group 3 (greater than normal) S Group 4 (greater than group 3) W ABEC-7 Group 5 (greater than group 4) 3.5 Lubrication and preservation requirements. Unless otherwise specified in the acquisi
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