Precision Ball Screw with Unfinished Shaft Ends Model BNF

The simplest type with a single ball screw nut. It is designed to be mounted using the bolt holes drilled on the flange.

  • Precision positioning (ball screw)
  • Screw shaft end additional machining
  • No preload
  • Return-pipe type

Screwshaftdiameter(mm) : 16,18,20,25,28,32,36,40,50

Types

Highlight feature tags

  • Screw shaft end additional machining
  • No preload
  • Return-pipe type
  • Precision positioning (ball screw)
Model BNF
  • Precision positioning (ball screw)
  • Screw shaft end additional machining
  • No preload
  • Return-pipe type

DN value : 70000
Screwshaftdiameter(mm) : 16,18,20,25,28,32,36,40,50

Detailed information for each model number

Dimensional drawing/Dimensional table

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Products Contents
LM Guide LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc.
Ball Screw Axial clearance, maximum manufacturing length of shaft, etc.
Actuator Movable part mass, etc.

Nut Types and Axial Clearance

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Member-Exclusive Content

These contents can be accessed

after registering as a member.

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Benefit 1: Useful features

  • Easy product comparisonsHighlight feature
  • Save items for laterreview Favorites feature

Benefit 2: Exclusive content

Products Contents
LM Guide LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc.
Ball Screw Axial clearance, maximum manufacturing length of shaft, etc.
Actuator Movable part mass, etc.

Maximum Manufacturing Length of the Screw Shaft

THK Online Services
Member-Exclusive Content

These contents can be accessed

after registering as a member.

Log in/Register Click here for THK Online Services details

Benefit 1: Useful features

  • Easy product comparisonsHighlight feature
  • Save items for laterreview Favorites feature

Benefit 2: Exclusive content

Products Contents
LM Guide LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc.
Ball Screw Axial clearance, maximum manufacturing length of shaft, etc.
Actuator Movable part mass, etc.