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Inch POM composite bushings – shaft and housing tolerances, operating clearance

Bushing dimensions Diameter limits Operating
Bore Outside Wall Shaft Housing bore Bore diameter of clearance
diameter diameter thickness mounted bushing
d D max. min. max. min. max. min. max. min. min. max.
in / mm in / mm in / μm
3/8 15/32 0,051 0,050 0,3648 0,3639 0,4694 0,4687 0,3694 0,3667 0,0019 0,0055
9,525 11,906 1,295 1,270 9,266 9,243 11,922 11,904 9,382 9,314 48 139
7/16 17/32 0,051 0,050 0,4273 0,4263 0,5320 0,5313 0,4320 0,4293 0,0020 0,0057
11,113 13,494 1,295 1,270 10,853 10,828 13,512 13,494 10,974 10,904 50 142
1/2 19/32 0,051 0,050 0,4897 0,4887 0,5944 0,5937 0,4944 0,4917 0,0020 0,0057
12,7 15,081 1,295 1,270 12,438 12,413 15,098 15,080 12,558 12,490 52 145
9/16 21/32 0,051 0,050 0,5522 0,5512 0,6569 0,6562 0,5569 0,5543 0,0021 0,0057
14,288 16,669 1,295 1,270 14,026 14,001 16,685 16,667 14,145 14,078 52 144
5/8 23/32 0,051 0,050 0,6146 0,6136 0,7195 0,7187 0,6195 0,6167 0,0021 0,0059
15,875 18,256 1,295 1,270 15,611 15,585 18,275 18,255 15,735 15,665 54 150
11/16 25/32 0,051 0,050 0,6770 0,6760 0,7821 0,7812 0,6821 0,6793 0,0023 0,0061
17,463 19,844 1,295 1,270 17,196 17,170 19,865 19,842 17,325 17,254 58 155
3/4 7/8 0,0669 0,0657 0,7390 0,7378 0,8758 0,8750 0,7444 0,7412 0,0022 0,0066
19,05 22,225 1,699 1,669 18,771 18,740 22,245 22,225 18,907 18,827 56 167
7/8 1 0,0669 0,0657 0,8639 0,8627 1,0008 1,0000 0,8694 0,8662 0,0023 0,0067
22,225 25,4 1,699 1,669 21,943 21,913 25,421 25,400 22,083 22,002 59 170
1 11/8 0,0669 0,0657 0,9888 0,9876 1,1258 1,1250 0,9944 0,9912 0,0024 0,0068
25,4 28,575 1,699 1,669 25,116 25,085 28,595 28,575 25,258 25,177 61 173
11/8 19/32 0,0824 0,0810 1,1138 1,1126 1,2822 1,2813 1,1203 1,1165 0,0027 0,0077
28,575 32,544 2,093 2,057 28,291 28,260 32,569 32,544 28,455 28,358 67 195
11/4 113/32 0,0824 0,0810 1,2387 1,2371 1,4072 1,4063 1,2453 1,2415 0,0028 0,0082
31,75 35,719 2,093 2,057 31,463 31,422 35,743 35,719 31,639 31,533 70 208
13/8 117/32 0,0824 0,0810 1,3635 1,3619 1,5322 1,5313 1,3703 1,3664 0,0029 0,0084
34,925 38,894 2,093 2,057 34,633 34,592 38,919 38,894 34,805 34,708 75 213
11/2 121/32 0,0824 0,0810 1,4884 1,4868 1,6572 1,6562 1,4953 1,4915 0,0031 0,0085
38,1 42,069 2,093 2,057 37,805 37,765 42,097 42,069 37,980 37,883 78 215
15/8 125/32 0,0824 0,0810 1,6133 1,6117 1,7822 1,7813 1,6203 1,6165 0,0032 0,0086
41,275 45,244 2,093 2,057 40,978 40,937 45,269 45,244 41,155 41,058 80 218
13/4 115/16 0,098 0,0962 1,7383 1,7367 1,9385 1,9375 1,7461 1,7415 0,0032 0,0086
44,45 49,213 2,489 2,443 44,153 44,112 49,238 49,213 44,352 44,235 82 240
17/8 21/16 0,098 0,0962 1,8632 1,8616 2,0637 2,0625 1,8713 1,8665 0,0033 0,0086
47,625 52,388 2,489 2,443 47,325 47,285 52,418 52,388 47,532 47,410 85 247
2 23/16 0,098 0,0962 1,9881 1,9863 2,1887 2,1875 1,9963 1,9915 0,0034 0,0100
50,8 55,563 2,489 2,443 50,498 50,452 55,593 55,563 50,707 50,585 87 255
21/4 27/16 0,098 0,0962 2,2378 2,2360 2,4387 2,4375 2,2463 2,2415 0,0037 0,0103
57,15 61,913 2,489 2,443 56,840 56,794 61,943 61,913 57,057 56,935 95 263
21/2 211/16 0,098 0,0962 2,4875 2,4857 2,6887 2,6875 2,4963 2,4915 0,0040 0,0106
63,5 68,263 2,489 2,443 63,183 63,137 68,293 68,263 63,407 63,285 102 270
23/4 215/16 0,0991 0,0965 2,7351 2,7333 2,9387 2,9375 2,7457 2,7393 0,0042 0,0124
69,85 74,613 2,517 2,451 69,472 69,426 74,643 74,613 69,741 69,579 107 315
3 33/16 0,0991 0,0965 2,9849 2,9831 3,1889 3,1875 2,9959 2,9893 0,0044 0,0128
76,2 80,963 2,517 2,451 75,817 75,771 80,998 80,963 76,096 75,929 112 325
31/2 311/16 0,0991 0,0965 3,4844 3,4822 3,6889 3,6875 3,4959 3,4893 0,0049 0,0137
88,9 93,663 2,517 2,451 88,504 88,448 93,698 93,663 88,796 88,629 125 348
4 43/16 0,0991 0,0965 3,9839 3,9817 4,1889 4,1875 3,9959 3,9893 0,0054 0,0142
101,6 106,363 2,517 2,451 101,191 101,135 106,398 106,363 101,496 101,329 138 361

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