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Lathe Bernardo Profi 550 PRO / 400 V – Compact and professional
Lathe Bernardo Profi 550 PRO / 400 V – Compact and professional is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
At Krollit, we guarantee a safe and reliable shipping process. Orders are handled with the utmost care and traceability until delivery.
For international shipments, please send your request via the dedicated contact form.
Upon delivery, always sign the delivery note with the words “subject to inspection” to allow for proper handling of any irregularities or discrepancies in the product.
Our goal is to ensure you receive prompt service and a worry-free shopping experience.
Description
Bernardo Profi 550 PRO Lathe / 400 V
The Bernardo Profi 550 PRO / 400 V lathe is a compact and powerful model, suitable for precise machining in workshops or laboratories. Equipped with a 26 mm spindle bore and an induction-hardened bed, it offers rigidity and precision even for the most demanding operations. The continuous electronic speed control (30–3000 rpm), managed by an inverter, ensures high torque at low speeds and stability under load, with values readable on the digital display. The spindle, supported by quality tapered roller bearings, guarantees concentricity ≤0.015 mm. With automatic feeds and the possibility of metric and inch threads, it adapts to various needs. Supplied with a self-centering chuck, a tool post, and numerous accessories, it represents a compact but professional lathe for machining steel, non-ferrous metals, and plastics.
Key Specifications
Spindle bore Ø 26 mm with MT4 taper
Induction-hardened and ground bed
Continuous speed 30–3000 rpm with inverter
Automatic longitudinal and cross feeds
Metric threads (0.2–3.5 mm) and inch threads (8–56 TPI)
MT2 tailstock with 70 mm travel
Three-phase motor 1.5 kW (S1) – 2.2 kW (S6) at 400 V
Compact weight of 137 kg
Logistics
Logistics
Bernardo shipping: 5–9 working days (7 days to the South). Original spare parts available with 3–5 working days shipping. Customer support available in Italian.
Technical specifications
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Bernardo |
| Model | Profi 550 PRO |
| Distance between centers | 550 mm |
| Center height | 125 mm |
| Swing over bed | 250 mm |
| Bed width | 135 mm |
| Spindle bore | 26 mm |
| Spindle taper | MT4 |
| Variable speed | 30–450 / 150–3000 rpm |
| Longitudinal feed | 0.06 – 0.32 mm/rev (6 steps) |
| Cross feed | 0.03 – 0.075 mm/rev (4 steps) |
| Metric threads | 0.2 – 3.5 mm (18 steps) |
| Inch threads | 8 – 56 TPI (21 steps) |
| Tailstock quill travel | 70 mm |
| Tailstock taper | MT2 |
| Motor power S1 | 1.5 kW / 400 V |
| Motor power S6 | 2.2 kW / 400 V |
| Machine dimensions | 1210 x 610 x 450 mm |
| Weight | 137 kg (without base) |
Included equipment
Standard Equipment
Self-centering 3-jaw chuck Ø125 mm steel with flange
4-way tool post
Fixed centers
Change gears
Cross slide with swivel support
Inverter and digital speed display
Threading dial
Spindle guard and splash guard
Leadscrew cover
Set of tools and wrenches
Warranty
Warranty terms and support procedures are available on the dedicated Krollit page.
View Krollit warranty termsFAQ / Frequently asked questions
Frequently Asked Questions
What is the difference between the Profi 550 and the Profi 550/700 models in the same series?
The number in the name indicates the distance between centers in mm — the maximum length of the workpiece that can be turned. Profi 550 mm. The 26 mm spindle bore indicates the maximum diameter of the bar that can pass through the spindle hole without turning. The G-gearbox provides more torque at low speeds compared to belt versions.
How does the G-gearbox work?
The Profi 550 uses the gear-driven (G) gearbox for speed variation: more torque at low speeds compared to belt variators, suitable for hard steels and large sections. Switching is done from a standstill with the external lever — it does not require disassembling belts.
400 V power supply: is a transformer needed for the Profi 550?
400 V three-phase — requires a three-phase electrical system (not available in standard private homes). Before purchasing, check for the presence of a three-phase system and the power of the electrical panel.
Spare parts and assistance available?
Original spare parts available with 3–5 working days shipping. Customer support available in Italian.
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