GOST 3722-2014 Rolling bearings Steel balls Specifications《滚动轴承 钢球 规格》.pdf

1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 3722 2014 (ISO 3290-1:2008, NEQ) 2015 37222014 II , - 1.092 . 1.22009 . -, . , , , 1 ( ) , 5 2 307 3 , ( 29 2014 . 69) : ( 3166) 004 97 ( 3166) 004 97 BY KG RU UA 4 08 2014 . 1008- 37222014 01 2016 . 5 ISO 3290-1:2008 Ro

2、lling bear-ings Balls Part 1: Steel balls ( . . 1. ). (NEQ) 6 3722 81 - , . () - - . , , 2015 -, - 3722 2014 1 Rolling bearings. Steel balls. Specifications 2016 01 01 1 ( ), . 2 - : 9.014-78 . 51577 . 80178 . 278973 . 299975 . 472783 . 901359 . 914290 . 95692006 . 1035482 . 1419296 1614879 . 162727

3、9 . 2297578 . ( -) 2463481 , . - 2495581 . 252562013 . . - , 1 , - . (), - () . , , , , . 3 24955 25256, : 37222014 2 3.1 (nominal ball diameter): , . 3.2 (single ball diameter): - , . 3.3 (mean ball diameter): - . 3.4 (variation of ball diameter): . 3.5 (deviation from spherical ball surface): - ,

4、- . , , : - ; - ; - ; - . 3.5.1 (deviation from spherical form): , *. 3.5.2 (waviness): -. 1 . 2 ( ). 3.5.3 (surface roughness): - , , - / . , , - . 3.5.4 (surface defect): , - , , , - . , . -. 3.6 (ball lot): -, , . 3.7 (mean diameter of ball lot): . 3.8 (variation of ball lot diameter): . 3.9 : .

5、3.10 (ball grade): , , . G - , . * , - . 37222014 3 3.11 (ball gauge): , - . 1 , - . 2 , , . 3.12 (interval of ball gauge): -. 3.13 (deviation of a ball lot from ball gauge): . 3.14 (ball subgauge): , . 1 , - . 2 , , - , . 3.15 (interval of ball subgauge): - . 3.16 (hardness): , . 3.17 (sample): -.

6、3.18 (sample size): . 3.19 (band): . 4 : Dw ; Dwm ; DwmL ; Dws ; G ; IS ; ISS ; n ; Ra 2789; Rz 2789; S ; VDwL ; VDws ; Dwm ; DwmL ; RSw ; S . S = DwmL (Dw + S). 5 5.1 1000 . 1. 37222014 4 1 Dw 1000 ., Dw 1000 ., 0,250 0,00006 8,731 11/32 2,74 0,300 0,00011 9,000 3,00 0,360 0,00019 9,128 23/64 3,13

7、0,397 1/64 0,00026 9,500 3,52 0,400 0,00026 9,525 3/8 3,55 0,500 0,00051 9,922 25/64 4,01 0,508 1/50 0,00054 10,000 4,11 0,600 0,00089 10,319 13/32 4,52 0,635 1/40 0,00105 10,500 4,76 0,680 0,00129 10,716 27/64 5,06 0,700 0,00141 11,000 5,47 0,794 1/32 0,00206 11,112 7/16 5,64 0,800 0,00210 11,500 6

8、,25 0,840 0,00244 11,509 29/64 6,27 0,850 0,00252 11,906 15/32 6,94 1,000 0,00411 12,000 7,10 1,191 3/64 0,00694 12,303 31/64 7,65 1,200 0,00710 12,500 8,03 1,300 0,00903 12,700 1/2 8,42 1,500 0,0139 13,000 9,03 1,588 1/16 0,0165 13,494 17/32 10,1 1,984 5/64 0,0321 14,000 11,3 2,000 0,0329 14,288 9/

9、16 12,0 2,381 3/32 0,0555 15,000 13,9 2,500 0,0642 15,081 19/32 14,1 2,778 7/64 0,0881 15,875 5/8 16,4 3,000 0,111 16,000 16,8 3,175 1/8 0,132 16,669 21/32 19,0 3,500 0,176 17,000 20,2 3,572 9/64 0,187 17,462 11/16 21,9 3,969 5/32 0,257 18,000 24,0 4,000 0,263 18,256 23/32 25,0 4,366 11/64 0,342 19,

10、000 28,2 4,500 0,375 19,050 3/4 28,4 4,763 3/16 0,444 19,844 25/32 32,1 5,000 0,514 20,000 32,9 5,159 13/64 0,564 20,500 35,4 5,500 0,684 20,638 13/16 36,1 5,556 7/32 0,705 21,000 38,1 5,800 0,802 21,431 27/32 40,5 5,953 15/64 0,867 22,000 43,8 6,000 0,888 22,225 7/8 45,1 6,350 1/4 1,05 22,500 46,8

11、6,500 1,13 23,000 50,0 6,747 17/64 1,26 23,019 29/32 50,1 7,000 1,41 23,812 15/16 55,5 7,144 9/32 1,50 24,000 56,8 7,500 1,73 24,606 31/32 61,2 7,541 19/64 1,76 25,000 64,2 7,938 5/16 2,06 25,400 1 67,4 8,000 2,10 26,000 72,2 8,334 21/64 2,38 26,194 1 1/32 73,9 8,500 2,52 26,988 1 1/16 80,8 37222014

12、 5 1 Dw 1000 ., Dw 1000 ., 27,781 1 3/32 88,1 60,000 888 28,000 90,2 60,325 2 3/8 902 28,575 1 1/8 95,9 61,912 2 7/16 975 30,000 111 63,500 2 1/2 1052 30,162 1 3/16 113 65,000 1129 31,750 1 1/4 132 66,675 2 5/8 1218 32,000 135 69,850 2 3/4 1401 32,544 1 9/32 142 70,000 1410 33,000 148 73,025 2 7/8 1

13、601 33,338 1 5/16 152 75,000 1734 34,000 162 76,200 3 1819 34,925 1 3/8 175 79,375 3 1/8 2056 35,000 176 80,000 2104 35,719 1 13/32 187 82,550 3 1/4 2312 36,000 192 85,000 2524 36,512 1 7/16 200 85,725 3 3/8 2589 38,000 226 88,900 3 1/2 2888 38,100 1 1/2 227 90,000 2996 39,688 1 9/16 257 92,075 3 5/

14、8 3208 40,000 263 95,000 3524 41,275 1 5/8 289 95,250 3 3/4 3552 42,862 1 11/16 324 98,425 3 7/8 3919 44,450 1 3/4 361 100,000 4110 45,000 375 101,600 4 4311 46,038 1 13/16 401 104,775 4 1/8 4728 47,625 1 7/8 444 107,950 4 1/4 5171 49,212 1 15/16 490 108,000 5178 50,000 514 110,000 5471 50,800 2 539 111,125 4 3/8 5640 52,388 2 1/16 591 114,300 4 1/2 6138 53,975 2 1/8 646 120,000 7103 55,000 684 127,000 8419 57,150 2 1/4 767 150,000 13872 1 . 1 = 25,4 . 2 7,85 /3 . 5.2 - , , - , 1, . 6 6.1 11 ,