This auction is for a Newport 462 UltrAlign 25mm Crossed Roller Bearing XYZ Stage.

These are in excellent condition.

I have 4 available.

Retail price is $2530 from Newport.

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The 462-XYZ-M ULTRAlign™ Precision Integrated Crossed-Roller Bearing Linear Stage features stainless steel construction for high stability, with thermally matched, hardened steel crossed-roller bearings for unsurpassed performance. The crossed-roller bearings and precision-manufactured bearing reference surfaces provide exceptionally linear 1.0 inch XYZ travel, with angular deviation better than 100 μrad about any axis. The Z-axis stages does not depend on springs for support, ensuring maximum vertical load capacity.

ULTRAlign stages overcome the limitations of multi-axis stages derived from traditional tooling industry designs. The actuators are located out-of-the-way of oversized loads. Generous 1/4-20 hole patterns provide easy mounting. The mounting base can be removed for a lower profile.

Precision Control and Extra Stiffness



Preloaded crossed-roller bearings provide repeatable, zero stick-slip linear motion with negligible side-play.

ULTRAlign Stainless Steel Crossed-Roller Translation Stages provide a low profile, yet solid and stable linear translation, that can be locked in place without disturbing translation or position. Perfect for many standard optical applications such as interferometry, linear translation by the crossed-roller bearings and the precision-manufactured bearing reference surfaces provide a maximum angular deviation of <100 µrad for any axis. Z-axis stages do not depend on springs for support, ensuring maximum vertical load capacity. The mounting surface of these stages has multiple threaded holes, available in either English or Metric units, to make mounting easy and versatile in most table-top optical systems.