Full-Ball Type Precision Ball Screw Model BNFN-V

The most common type with a preload provided via a spacer between the two combined ball screw nuts to eliminate the backlash. It can be mounted using the bolt holes drilled on the flange.

  • Precision positioning (ball screw)
  • Preload
  • Double nut preload
  • High speed
  • Double nut

Screwshaftdiameter(mm) : 16,28,32,36,40,45,50

Types

Highlight feature tags

  • High speed
  • Preload
  • Return-pipe type
  • Return-piece
  • Double nut
  • Precision positioning (ball screw)
  • Double nut preload
Model BNFN-V Small
  • Precision positioning (ball screw)
  • Preload
  • Double nut preload
  • High speed
  • Return-piece
  • Double nut

DN value : 100000
Screwshaftdiameter(mm) : 16,28,32

Model BNFN-V Medium
  • Precision positioning (ball screw)
  • Preload
  • Double nut preload
  • High speed
  • Return-pipe type
  • Double nut

DN value : 130000
Screwshaftdiameter(mm) : 28,36,40,45,50

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.

Model number coding

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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.