Precision rails with ball assemblies

Benefits:
  • High precision and accuracy in motion
  • Space saving design
  • Smoothest running performance
Features:
  • Precision available in small sizes
  • Lowest friction with no ball recirculation
  • Anti-creeping system ACSM option

Ewellix LWRB ball assemblies offer the lowest friction for precision rail guides where lighter loads are in motion. The ball design with ball retaining cages has the smallest built in dimensions and is optional available with Anti-Creeping System ACSM to avoid cage creeping during motion.

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Technical Data

Sub tab

Overview

LWRB

LWRB (ACSM)

Range

Size 1, 2

Size 2

Speed

2 m/s

2 m/s

Acceleration

25 m/s2

160 m/s2

Accuracy

up to 1 µm / 200 mm rail

up to 1 µm / 200 mm rail

Operating temperature

-30 to +80 °C (higher temperature possible, depend on cage material)

-30 to +80 °C (higher temperature possible, depend on cage material)

Rails and cage types

LWRB type

Available in standard sizes 1 and 2 for precise low friction motion with suitable ball assembly type LWJK.

LWRB ACSM

Made from stainless steel material in size 2 with LWJK ACSM (Anti-Creeping-System) ball assembly to avoid cage creeping during motion.

End pieces

LWERA

Available in sizes 1 and 2 with wide head screw that would prevent the cage from moving out.

LWERB

Available in size 1 and 2 with washer that prevents the cage from moving out.

2D / 3D

Warning Message

For product orders, please refer to our catalogue pages where the ordering keys are indicated. Please do not use the ordering keys generated here as they may be incomplete.

Publications
IL-06001/4-EN-September 2022 Precision rail guides
Precision rail guides specification sheet
Please download first before filling
EL-02003-EN-November 2019 Safety and reliability in motion
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