DLA A-A-59639 B-2011 BEARING BALL ANNULAR DOUBLE ROW ANGULAR CONTACT FILLING SLOT VERTEX OF CONTACT ANGLES INSIDE BEARING DIMENSION SERIES 33.pdf
《DLA A-A-59639 B-2011 BEARING BALL ANNULAR DOUBLE ROW ANGULAR CONTACT FILLING SLOT VERTEX OF CONTACT ANGLES INSIDE BEARING DIMENSION SERIES 33.pdf》由会员分享,可在线阅读,更多相关《DLA A-A-59639 B-2011 BEARING BALL ANNULAR DOUBLE ROW ANGULAR CONTACT FILLING SLOT VERTEX OF CONTACT ANGLES INSIDE BEARING DIMENSION SERIES 33.pdf(11页珍藏版)》请在麦多课文档分享上搜索。
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-59639B 11 March 2011 SUPERSEDING A-A-59639A 22 April 2008 COMMERCIAL ITEM DESCRIPTION BEARING, BALL, ANNULAR, DOUBLE ROW, ANGULAR CONTACT, FILLING SLOT, VERTEX OF
3、CONTACT ANGLES INSIDE BEARING, DIMENSION SERIES 33 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, double row, angular contact, annular ball bearings for general-p
4、urpose use. These bearings 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 snap ring configurations, precision tolerances, and lubricant and preserva
5、tive requirements listed below: Class 9 - dimension series 33 Size - bearing dimensions (see table I) Cage materials (see table II) Shield and snap ring configurations (see table III) Precision tolerances (see table IV) Lubricant and preservative requirements (see table V) 3. SALIENT CHARACTERISTICS
6、 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 for the listed bearing sizes from dimension series 32 in American Bearing Provided by IHSNot for Resale
7、No reproduction or networking permitted without license from IHS-,-,-A-A-59639B 2 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 order (see 7.3(b). For u
8、nlisted bearing sizes, the dimensional and dynamic load rating requirements should also be specified in the acquisition order. TABLE I. Dimensional requirements (ABMA series 33). Bearing size code Bore diameter (mm) Outside diameter (mm) Width (mm) Chamfer r/min. (mm) Minimum shaft shoulder diameter
9、 1(mm) Dynamic load rating (minimum)(lb.) 05 25 62 25.4 1.1 32 6,415 06 30 72 30.2 1.1 37 8,310 07 35 80 34.9 1.5 44 10,405 08 40 90 36.5 1.5 49 12,725 09 45 100 39.7 1.5 54 14,260 10 50 110 44.4 2.0 60 19,035 11 55 120 49.2 2.0 65 22,115 12 60 130 54.0 2.1 72 27,080 13 65 140 58.7 2.1 77 28,900 14
10、70 150 63.5 2.1 82 34,465 15 75 160 68.3 2.1 87 37,525 16 80 170 68.3 2.1 92 42,890 17 85 180 73.0 3.0 99 46,275 18 90 190 73.0 3.0 104 49,725 19 95 200 77.8 3.0 109 53,250 20 100 215 82.6 3.0 114 56,870 21 105 225 87.3 3.0 119 60,525 22 110 240 92.1 3.0 124 64,265 1Listed for reference purposes onl
11、y. 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 capability shall be provided. 3.2 Materials. 3
12、.2.1 Rings. The bearing ring material shall be chromium-alloy steel 52100 (UNS G52986) as specified in ASTM A295/A295M, “Standard Specification for High-Carbon Anti-Friction Bearing Steel“. The finished rings shall not exceed the associated billet material inclusion rating that is also specified in
13、ASTM A295/A295M. Ring hardness shall be at least 58 HRC as defined in ASTM E18, “Standard Test Methods for Rockwell Hardness and Rockwell Superficial Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59639B 3 Hardness of Metallic Materials“. The gr
14、ain 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 shall not exceed the asso
15、ciated 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 Cage. The bearing cage
16、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. Metallic cage material
17、s shall operate from -40 to 250 F (-40 to 121 C). Non-metallic cage materials shall operate from -20 to 250 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
18、 1Material 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) 1No significant change from FF-B-171/35. 3.2.4 Shields. When used, the shield material shall be as recommended by
19、 the manufacturer, unless otherwise specified in the acquisition order (see 7.3(d). The 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
20、 cause any chemical deterioration of any other bearing component. The shield shall remain functionally effective at a minimum temperature range of -20 to 250 F (-30 to 121 C) for non-metallic and -40 to 250 F (-40 to 121 C) for metallic materials. Unless otherwise specified in the acquisition order,
21、 the shield, seal, and snap ring configuration for the bearing shall be one of the coded options listed in table III (see 7.3(e). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59639B 4 TABLE III. Shield and snap ring configurations. Code 1Confi
22、guration options A Open (no shields) B Single shield (opposite filling slot side) C Single shield (on filling slot side) D Double shield E Open with snap ring (on filling slot side) F Open with snap ring (opposite filling slot side) G Single shield opposite filling slot side (snap ring on filling sl
23、ot side) H Single shield opposite filling slot side (snap ring opposite filling slot side) J Single shield and snap ring on filling slot side K Single shield on filling slot side (snap ring on opposite side) L Double shield (snap ring on filling slot side) M Double shield (snap ring opposite filling
24、 slot side) X Other (specify in acquisition order) 1No significant change from FF-B-171/35. 3.2.5 Snap ring. When used, the snap ring and associated snap ring groove shall conform to the requirements specified in ABMA Standard 20. 3.3 Precision tolerance. The bearing precision tolerance level shall
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- DLAAA59639B2011BEARINGBALLANNULARDOUBLEROWANGULARCONTACTFILLINGSLOTVERTEXOFCONTACTANGLESINSIDEBEARINGDIMENSIONSERIES33PDF

链接地址:http://www.mydoc123.com/p-687631.html