SIR 20 ES
Rod end, requires maintenance, female thread with clamping screws
These SKF rod ends contain a spherical plain bearing with a steel/steel sliding contact surface combination.
The bearing requires maintenance and can be relubricated via grease fitting in the housing and via the shaft. The female thread is available with a left- (prefix SIL) or right-hand thread.
- Easy to relubricate
- Suitable for heavy static, alternating or impact loads
- Simple and ready-to-mount
- Slotted shank with clamping screws
- Suitable for hydraulic cylinders
- Bearing can be exchanged
Dimensions
| d |
20 mm
|
Bore diameter |
| d2 |
max.58 mm
|
Diameter head |
| B |
16 mm
|
Width inner ring |
| G |
M 16×1.5
|
Thread |
| C1 |
max.19.5 mm
|
Width head |
| h1 |
50 mm
|
Height shank end face – centre rod end eye |
| α |
9 °
|
Angle of tilt |
| dk |
29 mm
|
Raceway diameter inner ring |
| d4 |
max.26.5 mm
|
Housing diameter shank |
| l3 |
min.17 mm
|
Length threat |
| l4 |
max.81 mm
|
Length (height) housing |
| l7 |
min.24 mm
|
Distance shank chamfer – centre rod end eye |
| N |
max.46 mm
|
Width shank |
| N1 |
max.22 mm
|
Thickness shank base for clamping bolts |
| r1 |
min.0.3 mm
|
Chamfer dimension bore |
Bolts with internal hexagon
| Size bolt with internal hexagon |
M 8
|
| Tightening torque bolt with internal hexagon |
23 N·m
|
Calculation data
| Basic dynamic load rating |
C |
30 kN
|
| Basic static load rating |
C0 |
41.5 kN
|
| Specific dynamic load factor |
K |
100 N/mm²
|
| Material constant |
KM |
330
|