MÄDLERMÄDLER· Mechanics & transmission
Worm gear screw jack NPT size 4 version A basic gearbox without spindle for spindle Tr.40×7 (For operating instructions please visit the download area of our website www.maedler.de)
Manufacturer part no. 47500400
$1791.23≈ 1551.92 €
Price summary
Listed by MÄDLER at €1551.92. Delivered to France, including shipping, VAT and any customs duty, it comes to about €1880.30. Prices last checked on 2026-08-07.
Delivered cost is an estimate for a single item shipped to mainland France; the seller's checkout is authoritative.
On backorderlead time 14 d
Estimated landed cost
| Item | €1551.92 |
|---|---|
| Shipping | €15.00 |
| VAT (20%) | €313.38 |
| Total delivered | €1880.30 |
Estimate for a single item delivered to mainland France, shipped from outside the EU: customs duty and clearance fees may apply and are charged by the carrier.
Datasheets & documents
Specifications (automatically extracted)
Other characteristics
| Height of housing | 180 mm |
| Housing width | 145 mm |
| Length of housing | 117 mm |
| Level of efficiency | 27 % |
| Max stroke force | 50 000 N |
| Required torque at max load | 34 Nm |
| Size | 4 |
| Stroke | 1 mm |
| Weight of gear box | 17 kg |
| Spindle | Tr. 40 x 7 single-thread RH |
| Version | A |
Description
Version A: Standard version. The threaded spindle moves 1 mm inaxial direction with every full rotation of the worm shaft. The object to be moved must be secured against twisting. Housing: Made from aluminiumalloy in die-cast version. All sides machined. As standard filled withlubricant. Gearing: Worm made from ETG100, Gear made from Gbz12.Self-locking to a certain extend. Vibration, an increase in the spindlepitch or the use of rolling screw elements release the self-locking. Inthis case, e.g., a brake motor should be included in the system. Forlower stroke speeds, worm gear sets with higher transmission ratios canbe supplied on request. Spindle: Material C15, from size 4 C45.On request also available as left-hand, stainless steel or ball screwversion. Protective sleeve: The versions A and B are, unlessstated otherwise in the order, supplied with a protective sleeve. VersionA: With this standard version the threaded spindle moves 1 mm inaxial direction with every full rotation of the worm shaft. The spindlehas to be secured against twisting. Versions A and B are avaliable withan optional spindle end safety feature. This means the threaded spindleis locked before the safety sleeve is mounted, to limit the stroke inextended position so that the spindle cannot be screwed out of the gearunit. Attention: this safety feature means the safety sleeve is by about20 mm longer. The product numbers below only refer to the basic gearunits without spindle. Please ask for the price of the complete unitincluding spindle and accessories as, e.g., flange plate/travelling nut,bellow or coil spring cover, fastening strips. On request a version forlower stroke speed can be supplied. You will find further dimensions on our catalogue page. 1) Stroke pro full rotation of the input shaft. 2) Required torque at max. load (only under optimum conditions, with run-in spindle)
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