![Icon PG33](https://www.schaaf-gmbh.com/wp-content/uploads/produkte/piktogramme-pg/pg33.jpg)
Oil press fit
The Hydraulic Nut for mounting and dismantling roller bearings and oil-pressure mountings
Cost-reducing - Powerful - Reusable
100% compatibility with solutions offered by bearing manufacturers in terms of function, connection geometry and component geometry. Should this series not meet your requirements, please inform us of your needs. Since we have our own design department and production facility, we can manufacture any Hydraulic Nut in the A 55 Series to customer’s requirements. Special solutions up to a hydraulic pressure of 4000 bar are possible.
![PG33 Mehrere Hydraulikanschlüsse (axial und radial) für optimale Handhabung auch bei engster Umgebung](https://www.schaaf-gmbh.com/wp-content/uploads/produkte/pg34_expahub/ausschnitte_pg33_opv_1.png)
Several hydraulic connections (axial and radial)
for optimum handling, even in the tightest space
![PG33 Hochdruckdichtungen für 1.000 bar Hydraulikdruck für Temperaturen von –30 °C bis +100 °C](https://www.schaaf-gmbh.com/wp-content/uploads/produkte/pg34_expahub/ausschnitte_pg33_opv_2.png)
High-pressure seals for 1000 bar hydraulic pressure
and temperatures from –30 °C to +100 °C.
![PG33 Ringkolben mit Markierung für den max. Hub und Ölabflussöffnung für Ölpressverbandanwendung](https://www.schaaf-gmbh.com/wp-content/uploads/produkte/pg34_expahub/ausschnitte_pg33_opv_3.png)
Annular piston with marking
for the max. stroke and oil flow connection for oil pressure mounting applications.
![PG33 Oberflächenveredelung aller Hydraulikteile für einen langlebigen Einsatz](https://www.schaaf-gmbh.com/wp-content/uploads/produkte/pg34_expahub/ausschnitte_pg33_opv_4.png)
Surface treatment
of all hydraulic parts to ensure a long service life.
![PG33 Aufnahme einer Messuhr zum genauen Ermitteln des Aufschiebeweges (A 5510/5511)](https://www.schaaf-gmbh.com/wp-content/uploads/produkte/pg34_expahub/ausschnitte_pg33_opv_5.png)
Mounting for a dial gauge
to precisely determine the push-on distance (A 5510/5511).
![PG33 Jede Gewindeform, jede Steigung und Drehrichtung sowie Gewindegröße unterhalb der Nenngröße herstellbar](https://www.schaaf-gmbh.com/wp-content/uploads/produkte/pg34_expahub/ausschnitte_pg33_opv_6.png)
Any type of thread, any pitch and direction of rotation, as well as any thread size
below the nominal size, can be manufactured.
Advantages
- Robust, durable and lightweight mode of construction
- Ready for immediate use, fully assembled and oil filled
- All parts sealed leaktight from –30 °C to +100 °C
- Purely axial pressure force, independent of stroke
- Uniform distribution of pressure forces
- No torsion under load (no thread wear)
- Wide choice of Hydraulic Nut sizes and designs
- Several Hydraulic Nuts can also be operated uniformly due to the pressure build-up
- Repeat accuracy even after a long period of use
- Simple and easy to maintain
- Treated surfaces
- Special designs of any type available upon request
![pg33_einsatzgebiete PG33 Einsatzgebiete](https://www.schaaf-gmbh.com/wp-content/uploads/produkte/pg33_oelpressverband/pg33_einsatzgebiete.jpg)
Versions
The SCHAAF A 55 Series Hydraulic Nuts can be manufactured/supplied as follows:
Materials
- Rust and acid-resistant steels
- High-strength aluminium alloys
- Different material combinations
- Seals for higher temperatures
Surface finish
- Burnished, lacquered, chemically nickel-plated
- or as requested by the customer
![Einsatzgebiete Schiffstechnik](https://www.schaaf-gmbh.com/wp-content/uploads/branchenloesung/einsatzgebiete_schiffstechnik.jpg)
Areas of Application
Mounting and dismantling of roller bearings with conical or cylindrical seat, conical shaft-hub connections, as well as all types of oil-pressure mountings
![qualitaetssicherung Qualität](https://www.schaaf-gmbh.com/wp-content/uploads/qualitaetsmanagement_small.jpg)
Quality Assurance
All Hydraulic Nuts are checked for material quality, dimensional accuracy, proper operation, and pressure resistance. They are subject to quality assurance measures during order execution and delivered with detailed documentation.
![serviceleistungen Serviceleistung](https://www.schaaf-gmbh.com/wp-content/uploads/sortieren/serviceleistung_small.jpg)
Services
The Hydraulic Nuts are, of course, delivered packaged, ready for installation and operation.
SCHAAF Hydraulic Nuts are user-friendly, reliable and are manufactured in accordance with the highest level of technical know-how. Our highly-motivated staff will be pleased to train your personnel, in situ or at our works, in the general handling of high-pressure equipment.
Related Accessories
Fully assembled and ready for immediate use Hand lever pump up to 4,000 bar hydraulic pressure.