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Bernardo  |  SKU: 21-1044F

Bernardo 3-jaw precision chuck PO3-250/D6, steel guide

€1.062,34 (22% VAT incl.)
Business solution up to 30 installments

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

Properties

Execution:

  • Chuck with three precision rotating jaws
  • With direct camlock mount according to DIN 55029
  • Steel version for higher speeds and longer life
  • Includes 1 set of rotating and boring jaws

Field of application:

  • Suitable for conventional lathes
  • For use on machines with higher concentricity

Standard configuration:

  • 1 set of rotating jaws IJ-PS3
  • 1 set of boring jaws OJ-PS3

Technical specifications

Chuck size

250/D6

Diameter

250 mm

Taper

6

B

89 mm

D (max.)

106.390 mm

E

76 mm

F1

133.4 mm

Camlock bolts

6

Max. speed

3500 rpm

Weight approx.

32 kg

Logistics

Original spare parts available with 3–5 working days shipping. Customer support in Italian available.

Frequently Asked Questions

PO3 Ø 250 mm chuck — for which type of lathe and with which mounting?

D6 DIN 55029 camlock mount: assembly and disassembly in less than 30 seconds by rotating the flange a quarter turn. Positioning repeatability <0.01 mm with each assembly. Please check your lathe's mount code.

Steel vs. cast iron version — what is the concrete difference?

The steel PO3 version is 20–30% lighter than cast iron for the same diameter — it reduces start-up/braking times and vibrations at high speed, allowing for higher maximum rotation speeds. Original spare parts available with 3–5 working days shipping. Customer support in Italian available.

Delivery times?

Original spare parts available with 3–5 working days shipping. Customer support in Italian available.

Product safety

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