SI 80 ES-2RSRod end, requires maintenance, female thread
These SKF rod ends contain a spherical plain bearing with a steel/steel sliding contact surface combination and a double-lip contact seal on both sides. The bearing requires maintenance and can be relubricated via a grease fitting in the housing and via the shaft. The female thread is available with a left- (prefix SIL) or right-hand thread. Some sizes have different fitting dimensions (SIA series).
| Maintenance |
Relubrication required
|
| Sliding contact surface combination |
Steel/steel, standard
|
| Material, inner ring |
Bearing steel
|
| Material, outer ring |
Bearing steel
|
| Sealing |
Seal on both sides
|
| Sealing type |
Double-lip
|
| Attachment feature, rod end shank |
Right-hand female thread
|
Dimensions
| d |
80 mm
|
Bore diameter |
|---|---|---|
| d2 |
max. 182 mm
|
Diameter head |
| B |
55 mm
|
Width inner ring |
| G |
M 80
|
Thread |
| C1 |
max. 48 mm
|
Width head |
| h1 |
295 mm
|
Height shank end face – centre rod end eye |
| α |
5 °
|
Angle of tilt |
| dk |
105 mm
|
Raceway diameter inner ring |
| d4 |
≈ 105 mm
|
Diameter shank |
| l3 |
min. 85 mm
|
Length threat |
| l4 |
max. 389 mm
|
Length (height) housing |
| l5 |
≈ 45 mm
|
Length wrench flat |
| l7 |
min. 88 mm
|
Distance shank chamfer – centre rod end eye |
| w |
90 mm
|
Size wrench |
| r1 |
min. 1 mm
|
Chamfer dimension bore |
Calculation data
| Basic dynamic load rating | C |
400 kN
|
|---|---|---|
| Basic static load rating | C0 |
655 kN
|
| Specific dynamic load factor | K |
100 N/mm²
|
| Material constant | KM |
330
|
Mass
| Mass rod end |
15 kg
|
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