1. Home
  2. Product Information
  3. Ball Screw
  4. Full-Ball Type Precision Ball Screw
  5. High-Speed Ball Screw for Machine Tools Model BSM

Full-Ball Type Precision Ball Screw High-Speed Ball Screw for Machine Tools Model BSM

Our new ball circulation system achieves even higher speeds (DN value 170,000) Increases the speed of equipment

  • Compact
  • For machine tools
  • High speed
  • Preload
  • Offset preload
  • Precision positioning (ball screw)

Screw shaft diameter (mm) : 36,40,45,50,63

Product Search

Click Here for Product Tag Search

Precautions on Use

Types

Copy item link
Add item to favorites

Highlight feature tags

  • Compact
  • For machine tools
  • High speed
  • Preload
  • Precision positioning (ball screw)
Model BSM
  • Compact
  • For machine tools
  • High speed
  • Preload
  • Precision positioning (ball screw)

DN value : 170000
Screw shaft diameter (mm) : 40,45,50,63

BSM-B (Slim Nut Type)
  • Compact
  • For machine tools
  • High speed
  • Preload
  • Precision positioning (ball screw)

DN value : 170000
Screw shaft diameter (mm) : 36,40,45,50

Features

Copy item link
Add item to favorites

High-speed performance

Copy item link
Add item to favorites

Significantly improves the DN value with a newly developed circulation structure.

DN value greatly improved from 130,000 in conventional products to 170,000.
Utilizes a large lead to meet high-speed performance demands.
Maximum feed speed of 121 m/min (for the BSM4030-6)

Maximum Feed Speed
Unit: m /min
Screw shaft outer
diameter (mm)		 Lead (mm)
16 20 25 30
ø 36 - 90 - -
ø 40 65 81 101 121
ø 45 58 73 90 -
ø 50 52 66 82 98
ø 63 41 - - -

Design that responds to the performance needs of machine tools

Copy item link
Add item to favorites

Improves load capacity through the groove design.

The BSM improves load capacity with a unique groove design and double groove structure.

Compact with high rigidity

Copy item link
Add item to favorites

Achieves higher rigidity and a more compact nut diameter than our conventional products.

The BSM-B conserves space with a slimmer nut compared to our conventional products. Rigidity was also improved by extending the overall length and increasing the number of loaded circuits.

Product Structure

Copy item link
Add item to favorites

BSM Lineup

Copy item link
Add item to favorites
Screw shaft
outer diameter		 Lead
16 20 25 30
ø 36 - ○ - -
ø 40 ● ●○ ●○ ●○
ø 45 ● ●○ ●○ -
ø 50 ● ●○ ●○ ●○
ø 63 ● - - -

● : BSM ○ : BSM-B (Slim Nut Type)

Detailed information for each model number

Copy item link
Add item to favorites

Dimensional drawing/Dimensional table

Copy item link
Add item to favorites

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.

Axial Clearance

Copy item link
Add item to favorites

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.

Product Search

Product Search

Close