Double precision Cardan joint GU3ED2C SIT
Bore diameter d = 20 mm, outside diameter D = 42 mm, length L3 = 128 mm. The offer covers the full designation GU3ED2C.
Design
Joint material: steel. Plain bearings with surface-hardened steel bushes. Round bore with tolerance H7. Keyway width a has tolerance JS9.
Sales unit
One sales unit includes 1 joint GU3ED2C SIT.
Catalogue dimensions and tolerances
d — bore diameter: 20 mm; tolerance H7.
D — outside diameter: 42 mm.
L3 — overall length of the double joint: 128 mm.
L1 — distance from the end face to the joint axis: 41 mm.
C — catalogue dimension shown in the diagram: 18 mm.
L4 — distance between the joint axes: 46 mm.
a — keyway width: 6 mm; tolerance JS9.
b — bore-with-keyway dimension: 22,8 mm.
Catalogue limits
Maximum catalogue speed: 1000 rev/min. Maximum catalogue angle for this design: 90°. Maximum catalogue temperature: 150 °C. Speed and operating angle are interdependent; in the 500–1000 rev/min range, the catalogue requires a reduced angle. The maximum angle does not imply operation at maximum rotational speed.
The existing illustration is a representative photograph of the SIT joint family. The correct variant is defined by the full designation in this offer. The catalogue diagram is not a production drawing.
Questions and answers
Which exact variant does the offer cover?
The offer covers GU3ED2C SIT. Bore diameter d = 20 mm, outside diameter D = 42 mm, length L3 = 128 mm.
What are the bore and keyway tolerances and dimensions?
Bore d = 20 mm has tolerance H7. The keyway width is a = 6 mm with tolerance JS9, and the bore-with-keyway dimension b is 22,8 mm.
What type of bearing arrangement is used?
Plain bearings with surface-hardened steel bushes are used.
What does one sales unit include?
One sales unit includes 1 precision universal joint GU3ED2C SIT.
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