SKF POM composite straight (cylindrical) bushings are suitable for oscillating, rotating and linear movements, and can accommodate radial loads. After initial grease fill, they are optimized for minimal maintenance under tough operating conditions. Pockets in the sliding surface serve as grease reservoirs. Relubrication can extend bearing service life considerably. Despite their compact design, they can accommodate heavy loads.
| Material |
POM composite
|
| Operating temperature |
min. -40 °C
|
| Operating temperature |
max. 110 °C
|
| d |
25 mm
|
Bore diameter |
|---|---|---|
| D |
28 mm
|
Outside diameter |
| B |
50 mm
|
Width |
| M |
4 mm
|
Diameter lubrication hole |
| 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 |
| Tolerance shaft |
h8
|
| Tolerance housing |
H7
|
| Basic dynamic load rating, radial direction | C |
146 kN
|
|---|---|---|
| Basic static load rating, radial direction | C0 |
310 kN
|
| Specific dynamic load factor | K |
120 N/mm²
|
| Specific static load factor | K0 |
250 N/mm²
|
| Factor depending on material and bearing type | KM |
1 900
|
| Permissible sliding velocity | v |
max. 2.5 m/s
|
| Coefficient of friction | µ |
min. 0.02
|
| Coefficient of friction | µ |
max. 0.2
|
| Mass bushing |
0.04 kg
|
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