Page 4 - Ketterer Drives – Brochure Worm Gears

Worm gear 4731/4739/4743/4745
Variant key
Designation of the last 4 figures of the order number
Description
Bevel gearbox for the deflection of a rotary movement at an angle of 90°. The modular system allows the customized composition matching the installation situation. The gearbox is characterised by a compact de-
sign with maximum torque, sturdiness and smooth power transmission. Simple mounting is made possible by a flexible screw fixing.
Special features
▪ Maintenance-free
▪ Housing made of zinc die-casting
▪ Size 40 x 40 x 70 mm
▪ 5 Ratios 1:1, 2:1, 8.5:1, 20:1, 30:1
▪ On request other ratios are possible
▪ Axial distance 25 mm
▪ Designed for the manual operation
Bore holes Output side (see drawing)
Bore holes input side (see drawing)
Output opening for throughgoing shaft (see drawing)
Input (see drawing)
3.3 mm
M4
7 mm
M4
M8
Square 10 mm
Square 8 mm
Tr14x4 right
Hex 9 mm
Hex 10 mm
Hex 6 mm
Hex 7 mm
Square 8 mm
1XXX
2XXX
X1XX
X2XX
X3XX
XX1X
XX2X
XX3X
XX4X
XX5X
XXX1
XXX2
XXX3
Technical data
Ratio
Self-locking
Max. Output torque Preferred type
1:1
No
2 Nm 4731.00-2242
2:1
No
3 Nm 4743.00-2311
8,5:1
Yes
9 Nm
4739.00-2311
20:1
Yes
15 Nm
4742.00-1153
30:1
Yes
17 Nm
4745.00-2311
Model
4731.00-XXXX
4743.00-XXXX
4739.00-XXXX
4742.00-1153
4745.00-2311
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4731.75-02/20200909