Metal Bellows Coupling I Series KR

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• straight bellows • simple installation with lateral EASY-clamping hub • low restoring forces • high torsional stiffness • long design

Metal Bellows Coupling I Series KR

 

 

 

 

 

 

 

 

material: bellows: stainless steel
hubs: high-tensile strength aluminum
screws: ISO 4762 / 12.9
temperature range: -40°C up to +200°C

 

technical data:

KR
Size
TN
[Nm]
moment
of inertia
[10⁻³kgm²]
torsional
stiffness
[Nm/arcmin]
max. shaft
misalignment (mm)
axial ±
max. shaft
misalignment (mm)
lateral
axial
spring rate
[N/mm]
lateral
spring rate
[N/mm]
mass
approx.
[kg]
tightening torque
of screws
[Nm] (*)
25250,1290,30,21501500,314 -
50500,12100,30,21601700,314 -
65650,25120,30,390800,435 (30)*
1001000,7230,50,4100950,7565 (50)*
2002000,84300,30,32201200,865 (50)*
3003002530,40,32101601,3115 (90)*
4504502,15800,40,33002601,4115 (90)*
5505504,7980,50,53003602,2180 (140)*
15001500132800,60,55204904,4290 (240)*

(*) note: reduced tightening torque for bigger hub bore diameter – see also Ø D 1/2max!

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

KRØacfghLL*ØD1/2
min
ØD1/2
max
255619M 63387384832 -
505619M 633873841032 -
656622M 841985951328 (35)
1008228,5M 105011,51021141632 (43)
2008228,5M 105611,51081201832 (43)
30010135M 1265131231292842 (55)
45010135M1265131231293542 (55)
55012242M 147216140-3255 (68)
150015754M 169620186-4870 (85)

note: L* ≙ variable length with bigger clamping hub size

order example: KR 100 – D1 = 35 G7 D2 = 35 G7
KR 200 | 120 – D1 = 32 G6 D2 = 42 G6