NEW - Heavy Duty Needle Roller Linear Guide
The Precision Alliance is announcing a new line of recirculating needle roller linear guides manufactured by PM-Bearings. PM Bearings has redefined the linear guide product with this revolutionary new design. The PNUA linear guides were created to support extremely heavy loads while providing ultra smooth, precise, high-speed linear motion. The secret is the use of a very large number of small diameter needle rollers. The relatively long length of the rollers provides a dramatic increase in contact area making the PNUA bearing the stiffest linear guide available.
This new design offers the following features:
o High precision accuracies to +/- 1 micron
o Highest stiffness and capacity of any linear guide due to the long needle roller contact.
o High speed because of the accurate guidance and low mass of the needle rollers
o Smooth motion with less bounce because of the large number of small diameter rollers
o Available in a variable preload version
o Interchangeable with industry standard sizes and available in two accuracy classes.
The PNUA has many applications including:
o Semi Conductor Equipment
o Inspection Scanning Equipment
o Super Precision Machine Tools
o Grinding Machines
o High Speed Metrology Equipment
o Linear Motor Applications
o Electro Discharge Machines
o Stamping Presses
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