Precision Rotary Ball Screw Large Lead Rotary nut Model BLR Model BLR

The Rotary Ball Screw is a rotary-nut ball screw unit that has an integrated structure consisting of a ball screw nut and a support bearing. The support bearing is an angular bearing that has a contact angle of 60・, contains an increased number of balls and achieves large axial rigidity.
Model BLR is divided into two types: Precision Ball Screw and Rolled Screw Ball.

  • Large lead
  • No preload
  • End-cap type
  • Rotary nut
  • Precision positioning (ball screw)

DN value : 70000
Screw shaft diameter (mm) : 16,20,25,32,36,40,50

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Detailed information

  • Dimensional drawing/Dimensional table
  • Permissible Rotational Speeds for Rotary Ball Screws
  • Accuracy Standards
  • Example of Assembly

Optional

Contamination Protection

  • Contamination Protection Seal for Ball Screws Labyrinth seal
  • Contamination Protection Seal for Ball Screws Brush seal
  • Wiper Ring
  • Canvas seal
  • Thin Film Seal
  • Dust Cover for Ball Screws

Lubrication

  • QZ Lubricator

Rustprevention

  • Surface Treatment

Other

  • Dimensions of Each Model with an Option Attached
  • Additional Machining for Shaft Ends
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Model No. Designer* Life Calculator* CAD
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Catalog
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Manual
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BLR 1616-3.6
BLR 2020-3.6
BLR 2525-3.6
BLR 3232-3.6
BLR 3636-3.6
BLR 4040-3.6
BLR 5050-3.6

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