1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 18855 2013 (ISO 281:2007) (ISO 281:2007, MOD) 2014 18855 2013 II , - 1.092 . - 1.22009 . -, . , , , 1 ( ) 2 307 - 3 , ( 27 2013 . 59-) : ( 3166) 00497 ( 3166) 00497 BY KG MD RU UZ - 4 ISO 281:2007 Rolling bearings Dynami
2、c load ratings and rating life ( . ) . - 5.1.2.1 5.2.2.1 . . - 3 . , - - , . . . ISO/TC 4/SC 8 - ISO/TC 4 (ISO). (en). , - , , , . , -, - . , , - . . 18855 2013 III (MOD) 5 08 2013 . 1382- 188552013 (ISO 281:2007) 1 2015 . 6 1885594 - , . () - - . , , 2014 -, - 18855 2013 IV 1 . 1 2 1 3 . 2 4 3 5 -
3、4 5.1 4 5.2 . 7 5.3 . 10 6 - 10 6.1 . 10 6.2 . 12 6.3 . 13 7 - . 14 7.1 14 7.2 . 15 7.2.2 . 16 7.3 . 16 8 - . 17 8.1 . 17 8.2 . 19 8.3 . 20 9 . 20 9.1 20 9.2 . 21 9.3 21 () 32 () . 41 () . 45 () . 48 () 48 18855 2013 V . , 3.1, . - . . , , , . . , / , - -. , , - , / -, . . a1 - 99,95 % . ISO/TR 8646
4、 ISO/TR 1281-1, . 18855 2013 (ISO 281:2007) 1 Rolling bearings. Dynamic load rating and rating life 201507 01 1 - , -, , , . , - 90 % . , - , , - . , -. , - , - , . - - . - . 2 : 2495581 . 188542013 . ISO 15241:2012 . *ISO/TR 1281-1:2008 . ISO 281 1. * , ISO 15241. . * . 18855 2013 2 3 24955, - : 3.
5、1 (life): , - - . . 3.2 (reliability): , , , , - . , . 3.3 (rating life): , . 3.4 (basic rating life): , 90 % - , , -. 3.5 (modified rating life): , 90 %- , - , , - . 3.6 (basic dynamic radial load rating): - , - . - - , - . 3.7 (basic dynamic axial load rating): - , . 3.8 (dynamic equivalent radial
6、 load): - , , . 3.9 (dynamic equivalent axial load): , , . 3.10 (fatigue load limit): , - u.3.11 (roller diameter): , - . 1 () () . 2 . 3.12 (effective roller length): , . - , , , - , . 18855 2013 3 3.13 (nominal contact angle): , - , ( ) , . - . 3.14 (pitch diameter of ball set): , . 3.15 (pitch diameter of roller set): , . (
