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

Inch PTFE 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
1/8 3/16 0,0315 0,0305 0,1242 0,1236 0,1878 0,1873 0,1268 0,1243 0,0001 0,0032
3,175 4,763 0,800 0,775 3,155 3,139 4,769 4,757 3,219 3,157 2 80
3/16 1/4 0,0315 0,0305 0,1867 0,1858 0,2503 0,2497 0,1893 0,1867 0 0,0035
4,763 6,350 0,800 0,775 4,743 4,719 6,358 6,343 4,792 4,743 0 89
1/4 5/16 0,0315 0,0305 0,2490 0,2482 0,3128 0,3122 0,2518 0,2493 0,0003 0,0036
6,35 7,938 0,800 0,775 6,325 6,304 7,946 7,931 6,396 6,331 6 92
5/16 3/8 0,0315 0,0305 0,3115 0,3113 0,3753 0,3747 0,3143 0,3117 0,0002 0,0030
7,938 9,525 0,800 0,775 7,913 7,907 9,533 9,518 7,983 7,918 5 76
3/8 15/32 0,0471 0,0461 0,3740 0,3738 0,4691 0,4684 0,3769 0,3742 0,0002 0,0031
9,525 11,906 1,196 1,171 9,500 9,496 11,916 11,898 9,574 9,506 6 78
7/16 17/32 0,0471 0,0461 0,4363 0,4358 0,5317 0,5309 0,4394 0,4368 0,0005 0,0036
11,113 13,494 1,196 1,171 11,081 11,070 13,504 13,486 11,162 11,094 13 92
1/2 19/32 0,0471 0,0461 0,4987 0,4983 0,5941 0,5934 0,5019 0,4992 0,0005 0,0036
12,7 15,081 1,196 1,171 12,668 12,657 15,091 15,073 12,749 12,681 13 92
9/16 21/32 0,0471 0,0461 0,5613 0,5608 0,6566 0,6559 0,5644 0,5618 0,0005 0,0036
14,288 16,669 1,196 1,171 14,256 14,245 16,679 16,661 14,337 14,269 13 92
5/8 23/32 0,0471 0,0461 0,6237 0,6233 0,7192 0,7184 0,6270 0,6242 0,0005 0,0037
15,875 18,256 1,196 1,171 15,843 15,832 18,268 18,247 15,926 15,855 12 94
11/16 25/32 0,0471 0,0461 0,6863 0,6858 0,7817 0,7809 0,6895 0,6867 0,0005 0,0036
17,463 19,844 1,196 1,171 17,431 17,420 19,856 19,833 17,514 17,441 10 94
3/4 7/8 0,0627 0,0615 0,7484 0,7479 0,8755 0,8747 0,7525 0,7493 0,0009 0,0046
19,05 22,225 1,592 1,562 19,010 18,997 22,237 22,216 19,113 19,032 22 116
7/8 1 0,0627 0,0615 0,8734 0,8729 1,0005 0,9997 0,8775 0,8743 0,0009 0,0046
22,225 25,4 1,592 1,562 22,185 22,172 25,412 25,391 22,288 22,207 22 116
1 11/8 0,0627 0,0615 0,9984 0,9979 1,1255 1,1246 1,0025 0,9993 0,0009 0,0046
25,4 28,575 1,592 1,562 25,360 25,347 28,587 28,566 25,463 25,382 22 116
11/8 19/32 0,0782 0,0770 1,1234 1,1229 1,2817 1,2813 1,1278 1,1245 0,0011 0,0049
28,575 32,544 1,991 1,955 28,535 28,522 32,555 32,544 28,645 28,562 27 123
11/4 113/32 0,0782 0,0770 1,2480 1,2474 1,4067 1,4063 1,2528 1,2495 0,0015 0,0054
31,75 35,719 1,991 1,955 31,700 31,684 35,730 35,719 31,820 31,737 37 136
13/8 117/32 0,0782 0,0770 1,3730 1,3724 1,5317 1,5313 1,3778 1,3745 0,0015 0,0054
34,925 38,894 1,991 1,955 34,875 34,859 38,905 38,894 34,995 34,912 37 136
11/2 121/32 0,0782 0,0770 1,4980 1,4974 1,6567 1,6563 1,5028 1,4995 0,0015 0,0054
38,1 42,069 1,991 1,955 38,050 38,034 42,080 42,069 38,170 38,087 37 136
15/8 125/32 0,0782 0,0770 1,6230 1,6224 1,7817 1,7813 1,6278 1,6245 0,0015 0,0054
41,275 45,244 1,991 1,955 41,225 41,209 45,255 45,244 41,345 41,262 37 136
13/4 115/16 0,0941 0,0923 1,7480 1,7472 1,9381 1,9375 1,7535 1,7493 0,0013 0,0063
44,45 49,213 2,390 2,344 44,400 44,379 49,224 49,213 44,536 44,433 33 157
17/8 21/16 0,0941 0,0923 1,8730 1,8724 2,0630 2,0625 1,8784 1,8743 0,0013 0,0060
47,625 52,388 2,390 2,344 47,575 47,559 52,401 52,388 47,713 47,608 33 154
2 23/16 0,0941 0,0923 1,9976 1,9969 2,1880 2,1875 2,0034 1,9991 0,0015 0,0065
50,8 55,563 2,390 2,344 50,739 50,721 55,575 55,557 50,887 50,777 38 166
21/4 27/16 0,0928 0,0902 2,25 2,2493 2,4380 2,4375 2,2576 2,2519 0,0019 0,0083
57,15 61,913 2,357 2,291 57,15 57,131 61,926 61,913 57,344 57,199 49 213
21/2 211/16 0,0928 0,0902 2,5 2,4993 2,6880 2,6875 2,5076 2,5019 0,0019 0,0083
63,5 68,263 2,357 2,291 63,5 63,481 68,276 68,263 63,694 63,549 49 213
23/4 215/16 0,0928 0,0902 2,75 2,7493 2,9381 2,9375 2,7577 2,7519 0,0019 0,0084
69,85 74,613 2,357 2,291 69,85 69,832 74,628 74,613 70,046 69,899 49 214
3 33/16 0,0928 0,0902 3 2,9993 3,1881 3,1875 3,0077 3,0019 0,0019 0,0084
76,2 80,963 2,357 2,291 76,2 76,182 80,978 80,963 76,396 76,249 49 214
31/2 311/16 0,0928 0,0902 3,5 3,4991 3,6881 3,6875 3,5077 3,5019 0,0019 0,0086
88,9 93,663 2,357 2,291 88,9 88,878 93,678 93,663 89,096 88,949 49 218
4 43/16 0,0928 0,0902 4 3,9991 4,1881 4,1875 4,0077 4,0019 0,0019 0,0086
101,6 106,363 2,357 2,291 101,6 101,578 106,378 106,363 101,796 101,649 49 218
5 53/16 0,0928 0,0902 5 4,9990 5,1882 5,1875 5,0078 5,0019 0,0019 0,0088
127 131,763 2,357 2,291 127 126,975 131,781 131,763 127,199 127,049 49 224
6 63/16 0,0928 0,0902 6 5,9990 6,1882 6,1876 6,0078 6,0019 0,0019 0,0088
152,4 157,163 2,357 2,291 152,4 152,375 157,181 157,163 152,599 152,449 49 224
7 73/16 0,0928 0,0902 7 6,9990 7,1883 7,1875 7,0079 7,0019 0,0019 0,0089
177,8 182,563 2,357 2,291 177,800 177,775 182,583 182,563 178,001 177,849 49 226
  1. 1) All ISO tolerance classes are valid with the envelope requirement (such as H7) in accordance with ISO 14405-1:2010.

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