MKH
MKH Miniature Coupling with fully split

0.5 - 10 Nm

MKH MINIATURE COUPLING WITH FULLY SPLIT HUBS

Specifications MKH

MKH series 5 10 15 20 45 100
Rated torque (Nm) TKN 0.5 1.0 1.5 2.0 4.5 10
Overall length (mm) A
252831
273033
3035
354044
4654
5060
Outside diameter (mm) B 15 15 19 25 32 40
Fit length (mm) C 9 9 11 13 16 16
Inside diameter possible
from Ø to Ø H7 (mm)
D1/2
3-7 3-7 3-8 3-12.7 5-16 5-24
Inside diameter possible
from Ø to Ø H7 (inch)
D1/2
0,125"-
0,250"
0,125"-
0,250"
0,125"-
0,313"
0,125"-
0,500"
0,250"-
0,625"
0,250"-
0,875"
Fastening screw ISO 4762 E M2 M2 M2.5 M3 M4 M4
Tightening torque of the
fastening screws (Nm)
E
0.43 0.43 0.85 2.3 4 4.5
Distance between centerlines (mm) F 4.5 4.5 6 8 10 15
Distance (mm) G 3 3 3.5 4 5 5
Distance (mm) H-1
121518
141720
14.519.5
172226
23.531.5
27.537.5
Moment of inertia (gcm2) Jges
2.62.83
33.43.6
8.59.5
252729
100108
160205
Weight (g)9
91011
2224
363840
7478
120130
Torsional stiffness (Nm/rad) CT
280210170
510380320
750700
120013001200
70005000
90508800
axial (mm)max.
0.40.50.6
0.40.50.6
0.50.7
0.50.60.7
0.71
11.2
lateral (mm) max.
0.150.20.25
0.150.20.25
0.150.2
0.150.20.25
0.20.25
0.20.3
angular (degrees) max.
11.52
11.52
1.5
1.51.52
1.52
1.52
CAD Portal 5 10 15 20 45 100
2D/3D Data 

Properties

  • Design:
    • fully removable split hub
    • 2x ISO 4762 clamping screws per hub                      
  • Temperature range: -30° C to +100° C (-22° F to +212° F)
  • Tolerance: Overall clearance between hub and shaft 0.01-0.05 mm.
  • Service life: Maintenance free with infinite life when operated within the technical specifications.
  • Material:
    • Bellows made from highly flexible, high grade stainless steel
    • 
hubs made from aluminum
  • Speeds:
    • up to 10,000 rpm
    • in excess of 10,000 rpm with finely balanced version (up to G = 2.5)
  • Non standard applications: Custom designs with various tolerances, keyways, materials, dimensions, etc. available upon request.
  • Brief overloads: Acceptable up to 1.5x the rated torque.
  • Properties of Miniature Coupling model MKH:
    • for lateral mounting
    • easy mounting and dismounting
    • lightweight and low inertia
    • suited for pre-aligned shafts

Overview