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How to Mount Multiple Linear Bearing Rails

Whether you are replacing or improving your previous bearing systems, learn how to mount multiple linear bearing rails. Linear bearing rails are similar to train tracks. Datum and slides are placed over the rails to hold the bearings in place. Bearing rails are mounted directly on top of the horizontal or vertical surface of the machine. The multiple linear bearing rails should be mounted on a level surface or adjusted to keep the bearing rails level. The bearing rails will get damaged over time if they are not level.

Things You'll Need

  • Soft cloth
  • Level
  • Self-adjusting epoxy
  • Brush
  • Low-viscosity spindle oil
  • Torque wrench
  • Power drill
  • Carbide drill bit
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Instructions

    • 1

      Remove all dirt, debris, dust and oil from the linear bearing rails with a soft cloth. Some bearing rails are shipped with anti-corrosive oil to protect the bearing rails during storage and transportation.

    • 2

      Place a level on the desired surface to mount the rails. The surface must be level in order for the linear systems to work properly.

    • 3

      Brush self-adjusting epoxy on the surface if it is not level. Let the epoxy dry for two hours. The self-adjusting epoxy settles on its own and dries to make a level surface.

    • 4

      Brush low-viscosity spindle oil on the top and bottom surfaces of the rail. The spindle oil has different properties than the anti-corrosive oil and must be applied to the surfaces. Place the rails on the mounting surface. Line the mounting holes to the holes in the mounting surface.

    • 5

      Insert the mounting bolts into the mounting holes in the rails. Tighten the bolts by turning a torque wrench in a clockwise direction.

    • 6

      Place the shoulder plate on the side of the rail if the rail is placed on the edge of a mounting surface. Line the shoulder plate holes with the holes in the mounting surface. Insert the mounting bolts through the side of the shoulder and into the side of the rails. Tighten the bolts by turning a torque wrench in a clockwise direction.