Bellows coupling                                    BKXK 2129/2135: 21mm diameter& 29/35mm length

The BKXK 2129 and BKXK 2135 bellows couplings are stainless steel bellows versions with aluminium clamping hubs. The designation number shows the diameter of 21 mm at the front, followed by the overall lengths of 29 or 35 mm. You can find examples of applications under the menu item "Bellows couplings". If you have any questions or cannot find the right size for you, simply contact us - we will find a solution for your application.

Technical datas- bellows coupling BKXK

Technical data

  

BKXK 2129

BKXK 2135
max. speed min-¹ 10.000 10.000
max. torque Ncm 120 100
max. offset of shafts      
          radial mm ± 0,25 ± 0,30
          axial mm ± 0,40 ± 0,50
          angular Grad ± 4 ± 4
torsion spring stiffness Nm/rad 150 140
radial spring stiffness N/mm 25 10
moment of inertia gcm2 9 9,5
max. clamping torque Ncm 100 100
temperature range °C -30/ +120 -30/ +120
weight app. g 15 16
material flange aluminium anodised  
material bellows stainless steel    

Bore combinations BKXK 2129

d1/d2 04 05 06 63 08 95 10  
04 x x x x x x x  
05   x x x x x x  
06     x x x x x  
63       x x x x  
08           x x  
95           x x  
10             x  

 

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

Bore combinations BKXK 2135

d1/d2 04 05 06 63 08 95 10  
04 x x x x x x x  
05   x x x x x x  
06     x x x x x  
63       x x x x  
08         x x x  
95           x x  
10             x  

 

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

Technical Drawings