Metal Bellows Coupling I Series KG

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• very short, variable design • high torsional stiffness • all-metal-version up to 350°C • wear and maintenance free • simple installation with EASY-clamping hub

Metal Bellows Coupling I Series KG

 

 

 

 

 

 

 

 

material: bellows: stainless steel 1.4571
hubs: steel St 52
screws: ISO 4762 / 12.9

 

technical data:

KG
size
nominal torque
[Nm]
moment of inertia
[10⁻³kgm²]
torsional stiffness
[Nm/arcmin]
2W|4W
max. shaft misalignment (mm)
axial ±
2W|4W
max. shaft
misalignment (mm)
lateral
2W|4W
axial
spring rate
[N/mm]
2W|4W
lateral
spring rate
[N/mm]
2W|4W
mass
approx.
[kg]
40400,1816|90,3|0,60,1|0,2130|702500|4500,5
80800,4426|140,3|0,60,1|0,2120|703500|6000,9
1401400,7432|200,3|0,60,1|0,2210|1107000|12001,1
2202201,2250|280,4|0,70,1|0,2170|955000|10001,5
3503502,693|520,4|0,80,1|0,2170|907000|13002,4
7007005,4190|1060,4|0,80,1|0,2260|14015000|28003,4
1300130024400|2250,4|0,70,1|0,2310|16013000|21008,5
1800180025300|2601|10,2|0,3340|2504700|19009

notes:
• 
Sizes for smaller nominal torques see miniature couplings series MKG
• temperature range: -40°C up to +350°C
• connection between bellows and hub by plasma welding
• two standard versions with 4-corrugation bellows 4W and 2-corrugation bellows 2W
• note for size KG 1800: Techn. data for hub version 4W/6W instead 2W/4W

Dimensions [mm]: length dimensions according to DIN ISO 2768 cH

KG
Øacf-TAg
2W|4W
hL
2W|4W
ØD1/2
min/max
405618M 6 - 16 Nm13|237,545|5512|32
806622,5M 8 - 40 Nm16|24953|6114|35
1407127M 8 - 40 Nm15|25952|6218|42
2208227,5M 10 - 80 Nm18|2811,563|7320|42
35010132M 12 - 135 Nm19|3012,571|8222|50
70012240M 12 - 135 Nm22|3711,570|8542|64
130015754M 16 - 300 Nm24|4017,595|11150|90
180015754M 16 - 300 Nm40|5617,5111|12750/60|90

• alternative lengths or hub versions available on request

order example:
KG 40 / 4W – D1 = 16 <sup>G7</sup> D2 = 24 <sup>H7</sup>
KG 350 / 2W – D1 = 32 <sup>G7</sup> D2 = 35 <sup>G7</sup>
KG 1800 / 6W D1 = 65 G7 D2 = 75 G7