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

Properties

Sliding contact surface combination Steel/steel, standard
Material, housing Steel
Material, inner ring Bearing steel
Material, outer ring Bearing steel
Maintenance Relubrication required
Attachment feature, rod end shank Right-hand female thread and clamping screws
Sealing Without

Logistics

Product net weight 0.417 kg
eClass code 23-05-01-05
UNSPSC code 31171508

(SIR20ES) (20X58X81)

Additional information

Weight 0.417 kg
Size (mm)

Colour