PA

Clearance Adjustment Pad
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  • Roller
Spring pad model PA is a low price item that enables easy adjustment and achieves self-aligning. A preload can easily be adjusted by installing the spring pad to the machine and externally tightening the adjustment bolt using a torque wrench. As a result, the need for troublesome shim adjustment and machining for matching is eliminated.
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  • Model No. Main dimensions Installation related dimensions1 Maximum
    permissible
    load
    Spring
    constant
    Support
    LM
    Roller
    W B L h H S
    +0.15
    +0.05
    F P Adjustment
    bolt
    mm mm mm mm mm mm mm mm kN kN/mm
    PA151522.22092122.211.565M51.025.4LRA1547Z
    PA202030309.522.5301275M62.747.5LRA2055Z
    PA252538.135122738.114.590M84.119.1LRA2565Z
    PA3232454512.528.54515100M84.1111.2LRA3275Z
    PA4040555516385518.5126M104.815.3LRA4095
    PA505076.278215276.223.5170M126.8615.5LRA50130
    Note 1: Guidance for Installing the Spring Pad: The below figure shows examples of installing the spring pad model PA to the bottom of the LM Roller and adjusting the clearance and providing a preload. The dimensions in this example are indicated in the specifi cation table for the spring pad model PA. The following is the procedure for the installation.
    (1) Secure the fi xture and the spacer. Adjust them so that the LM Roller can move vertically.
    (2) Turn the adjustment bolt until the LM Roller hits the raceway.
    (3) Turn the adjustment bolt using a torque wrench and tighten it until the desired torque is reached. A preload is provided via the spring pad model PA.

    For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.
  • Model Size
    PA 15
    PA 15
      20
      25
      32
      40
      50