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PA

Clearance Adjustment Pad
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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Attributes Part Number Unit Price Quantity Days to Ship Item Total
Applicable Model: LRA1547Z
PA15
Days to Ship: 2 - 3 weeks*
Applicable Model: LRA2055Z
PA20
Days to Ship: 2 - 3 weeks*
Applicable Model: LRA2565Z
PA25
Days to Ship: 2 - 3 weeks*
Applicable Model: LRA3275Z
PA32
Days to Ship: 2 - 3 weeks*
Applicable Model: LRA4095
PA40
Days to Ship: 2 - 3 weeks*
Applicable Model: LRA50130
PA50
Days to Ship: 2 - 3 weeks*
Model No. Main dimensions Installation related dimensions1 Maximumpermissibleload Springconstant SupportLMRoller
W B L h H S+0.15+0.05 F P Adjustmentbolt
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
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  32
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  50