Catalogue
d1 ±1
d2 - d3 H8
recommended
shaft tolerance
h7
d4
l1 ±2
l2
l3
Max. torque
in Nm
Max. rotational speed
(min-1)
Moment of inertia in kgm2
Static torsional stiffness in Nm/rad
Spring rate in N/mm
Max. shaft misalignment
Radial in mm
GN 2250-29-B6-6-ST-S
29
6-6
M 3
29
9
2.5
0.5
3000
41 x 10-6
13
13
± 2
GN 2250-48-B10-10-ST-S
48
10-10
M 4
46
13
9
2
3000
160 x 10-5
28
7
± 3

Bore code

  • Type B: Without keyway

Steel ST

  • Zinc plated, blue passivated
  • Loop
  • Thermoplastic elastomer (TPE) S
  • Operating temperature -30 °C to +80 °C
  • Blue
  • Hardness 55 Shore D
  • Grub screws DIN 916
  • Steel, zinc plated

Stainless steel AISI 316L A4

  • Plain finish
  • Loop
  • Thermoplastic elastomer (TPE),
  • FDA compliant material F
  • Operating temperature -30 °C to +80 °C
  • Blue
  • Hardness 50 Shore D
  • Grub screws DIN 916
  • Stainless steel

Double loop couplings GN 2250 connect shafts and compensate for axial, radial and angular misalignments. The special design has a shock and vibration damping effect, insulates connected shafts thermally and electrically and ensures very smooth running.

The AISI 316L stainless steel version is particularly suitable for applications in highly corrosive environments and, due to the FDA compliant material of the double loops, also in food areas.

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