SKF PTFE composite straight (cylindrical) bushings, inch sizes, are suitable for oscillating, rotating and linear movements, and can accommodate radial loads. Despite their thin-walled design, they can accommodate heavy loads. They also provide good heat dissipation, therefore enabling relatively high sliding velocities.
| Material |
PTFE composite
|
| Operating temperature |
min. -200 °C
|
| Operating temperature |
max. 250 °C
|
| d |
25.4 mm
|
Bore diameter |
|---|---|---|
| D |
28.575 mm
|
Outside diameter |
| B |
38.1 mm
|
Width |
| c1 |
min. 0.1 mm
|
Length chamfer bore – axial direction |
| c1 |
max. 0.7 mm
|
Length chamfer bore – axial direction |
| c2 |
min. 0.2 mm
|
Length chamfer outside diameter – axial direction |
| c2 |
max. 1 mm
|
Length chamfer outside diameter – axial direction |
| Shaft diameter range |
min. 25.347 mm
|
| Shaft diameter range |
max. 25.377 mm
|
| Housing bore range |
min. 28.565 mm
|
| Housing bore range |
max. 28.59 mm
|
| Basic dynamic load rating, radial direction | C |
76.5 kN
|
|---|---|---|
| Basic static load rating, radial direction | C0 |
236 kN
|
| Specific dynamic load factor | K |
80 N/mm²
|
| Specific static load factor | K0 |
250 N/mm²
|
| Factor depending on material and bearing type | KM |
480
|
| Permissible sliding velocity | v |
max. 2 m/s
|
| Coefficient of friction | µ |
min. 0.03
|
| Coefficient of friction | µ |
max. 0.25
|
| Mass bushing |
0.038 kg
|
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