SKMS 1520 polycarbonate shaft coupling with 20 mm length

Lightweight and cost-effective cross slotted coupling made of red polycarbonate with brass hubs. It enables backlash-free and angularly synchronised transmission of rotary movements with medium torsion spring stiffness and low restoring forces. The plastic part has an electrically insulating and vibration-damping effect. The metal inserts in the hubs ensure a reliable shaft connection. Free inner web area, shafts can protrude into the coupling.

This very light version of our couplings is often used in model making.

Compare this with our stronger GRP variants SKPS 1520/2224 and our aluminium variant SKAK 4048.

Technical data - Cross slotted coupling

technical data   SKMS 1520
max. speed min-¹ 12.000
max. torque Ncm 20
max. offset of shafts    
          radial mm ± 0,3
          axial mm ± 0,2
          angular Grad ± 5
torsion spring stiffness Nm/rad 10
radial spring stiffness N/mm 30,0
moment of inertia gcm2 2
max. clamping torque Ncm 70
temperature range °C -10/ +60
weight appr. g 6
material middle section polycarbonat  
Hub brass  

Bore combinations SKMS 1520

d1/d2 02 03 04 05 06
02 x x x x x
03   x x x x
04     x x x
05       x x
06         x

 

To download the step file, please select the required bore combination.

Technical drawing