Nickel bellows coupling BKNS 1223/1730/2533

Backlash-free angularly aligned transmission, optimum compensation of misalignment, very high torsion spring stiffness, minimum restoring forces, vibration damping, ideal for measuring applications, design with nickel bellows and screw hubs.

Technical data- Nickel bellows coupling BKNS

Technical data

  

BKNS 1223

BKNS 1730

BKNS 2533
max. speed min-¹ 10.000 10.000 10.000
max. torque Ncm 13 39 328
max. offset of shafts        
          radial mm ± 0,54 ± 0,72 ± 0,46
          axial mm ± 2,29 ± 3,09 ± 2,77
          angular Grad ± 15 ± 14 ± 8
torsion spring stiffness Nm/rad 28 80 462
radial spring stiffness N/mm 4,2 3,0 38,1
moment of intertia gcm2 1,85 3,81 1,61
max. clamping torque Ncm 79 132 132
temperature range °C -30/ +120 -30/ +120 -30/ +120
weight appr. g 10 10 19,5
material flange

 

stainless steel

aluminium

anodised

aluminium

anodised
material bellows nickel      

Bore combinations BKNS 1223

d1/d2 2 3 4 5 6
2 x x x x x
3   x x x x
4     x x x
5       x x
6         x

 

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

Bore combination BKNS 1730

d1/d2 4 5 6 63 8 10
4 x x x x x x
5   x x x x x
6     x x x x
63       x x x
8         x x
10           x

 

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

Bore combination BKNS 2533

d1/d2 6 8 10 12
6 x x x x
8   x x x
10     x x
12       x

 

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

Technical drawings