Shrink disc ST inner diameter 20mm

Material: High quality steel 42CrMo4.

  • For fixing a hub (e.g. drive wheel, rotor or similar) on a shaft.
  • For medium torques.
  • Quick mounting.
  • Quick dismounting.
  • No axial offset during mounting.

Roughness: max, RZ=16 μm. Outer-Ø tolerance of hub = H9.

Recommended tolerances for hub bore / shaft diameter: from dw Ø 30 = H6/j6; Ø 31-50 = H6/h6; Ø 51-65 = H6/g6.
It is essential to degrease the contact surfaces of shaft and hub bore. Lubricate only the shrink disk and the screws with MoS2 and place it on the hub. Turn in the screws evenly by hand. Surface Roughness, Tolerances and Mounting Fasten the tensioning screws evenly, in sequence (not crossing over) until the fastening torque TA of the table is reached. To reach the value of TA, several fastening steps are required. The figures for T stated in the table were calculated for a lubricated shrink disk.

services: online CAD catalog

The supplied 3D models, pictures and technical drawings are made with reasonable care. Nevertheless liability is excluded for the accuracy and correctness of this data.

see also:

found in parts groups:

part number Inner Ø d
[mm]
Shaft Ø dw
[mm]
Torque T
[Nm]
D
[mm]
L
[mm]
L2
[mm]
l
[mm]
e
[mm]
Clamping Bolts DIN 931 - 10.9
[N. x Typ]
Torque Ms
[Nm]
Surface Pressure pw
[N/mm²]
Gewicht
[kg]
61582000 CAD 20 15 - 17 110 - 150 46 17 20,5 12 2,5 5 x M5 x 16 4 205 - 258 0,17