SF-1 is a kind of oilless slide Bushing made of the PTFE composite material,Which is a copper-plateed steel plate on to which a porous
layer of tin bronze powder is sintered and also a mixture of PTFE and
lead are filled into and covered the porous layer by a rolling process.
|
Outside diameter |
Tolerance of outside diameter |
|
D <=10 |
+0.025~+0.055 |
|
10<D<=18 |
+0.030~+0.065 |
|
18<D<=30 |
+0.035~+0.075 |
|
30<D<=50 |
+0.045~+0.085 |
|
50<D<=80 |
+0.055~+0.100 |
|
80<D<=120 |
+0.070~+0.120 |
|
120<D<=180 |
+0.100~+0.170 |
|
180<D<=250 |
+0.130~+0.210 |
|
250<D<=305 |
+0.170~+0.260 |
|
Tolerance of standard metric cylindrical and flange bushes |
|
Bush inner size |
Wall thickness |
Tolerance of wall thickness |
|
5<=d<20 |
1.0 mm |
-0.020~+0.005 |
|
20<=d<28 |
1.5 mm |
-0.025~+0.005 |
|
28<=d<45 |
2.0 mm |
-0.030~+0.005 |
|
45<=d<80 |
2.5 mm |
-0.040~+0.005 |
|
80<=d<120 |
2.5 mm |
-0.060~-0.010 |
|
120<=d |
2.5 mm |
-0.085~-0.035 | |
