SILKAC 20 M
Rod end, requires maintenance, female thread
These SKF rod ends contain a spherical plain bearing with a steel/bronze sliding contact surface combination.
The bearing requires maintenance, sizes 6 and larger can be relubricated via a grease fitting in the housing and via the shank. The female thread is available with a left- (prefix SIL) or right-hand thread.
- Suitable where lubricant starvation might occur
- Simple and ready-to-mount
- Easy to relubricate (sizes ≥ 6)
Dimensions
| d |
20 mm
|
Bore diameter |
| d2 |
max.51 mm
|
Diameter head |
| B |
25 mm
|
Width inner ring |
| G |
M 20×1.5
|
Thread |
| C1 |
max.18.5 mm
|
Width head |
| h1 |
77 mm
|
Height shank end face – centre rod end eye |
| α |
14 °
|
Angle of tilt |
| dk |
34.925 mm
|
Raceway diameter inner ring |
| d3 |
≈27.5 mm
|
Housing diameter shank |
| d4 |
max.37 mm
|
Housing diameter shank |
| l3 |
min.30 mm
|
Length threat |
| l4 |
max.103 mm
|
Length (height) housing |
| l5 |
≈10 mm
|
Length wrench flat |
| l7 |
min.25 mm
|
Distance shank chamfer – centre rod end eye |
| w |
30 mm
|
Size wrench |
| r1 |
min.0.3 mm
|
Chamfer dimension bore |
Calculation data
| Basic dynamic load rating |
C |
31.5 kN
|
| Basic static load rating |
C0 |
35.5 kN
|
| Specific dynamic load factor |
K |
50 N/mm²
|
| Material constant |
KM |
330
|