Housing aluminium.
Worm screw steel, worm wheel special brass.

Housing anodised.
Ball bearing with rubber sealing washer RS.

Universally applicable and maintenance-free worm drive in one size with a centre distance of 20 mm and 7 different ratios. The housing is sealed to prevent grease leakage and keep dust out. These are left hand worm gears. The rotation direction on the shaft is arbitrary.

- smooth power transmission
- simple screw fastening
- quiet

Radial backlash: ±1°
Duty cycle: 20% (at 5 min.)
Service life: ca. 1000 hours (at full load, speed 500 rpm and duty cycle 20%)

-20 °C to +60 °C.

FR permissible radial force at FA=0
FA permissible axial force at FR=0