Precision Caged Ball Screw High Speed Model SBKN Model SBKN 36/40/50/55

The preload method utilizes a combination of two ball screw nuts preloaded with spacers to eliminate backlash.
This type has improved load capacity in comparison with the Model SBK.

  • Long-term maintenance free
  • High speed
  • Large lead
  • Preload
  • End-cap type
  • Precision positioning (ball screw)
  • Double nut preload

DN value : 160000
Screwshaftdiameter(mm) : 36,40,50,55

Select display items

Copy item link
Add item to favorites

Click on the feature tag you wish to view and press the button to display. Detailed information is displayed at the bottom of the screen.

  • Select all
  • Deselect all

Detailed information

    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.

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

Display result

Detailed information
Dimensional drawing/Dimensional table
Optional

Detailed information

Copy item link
Add item to favorites

Dimensional drawing/Dimensional table

Copy item link
Add item to favorites
Notes on dimensional table
  • Note: With model SBKN, the raising of both ends of the thread groove is not available. When designing your system this way,contact THK.
  • Note)
    The rigidity values in the table represent spring constants, each obtained from the load and the elastic deformation when providing a preload equal to 10% of the basic axial dynamic load rating (Ca) and applying an axial load three times greater than the pre-load.
    These values do not include the rigidity of the components related to mounting the ball screw nut. Therefore, it is normally appropriate to regard roughly 80% of the value in the table as the actual value.
    If the applied preload (Fa0) is not 10% of Ca, the rigidity value (KN) is obtained from the following equation.
Model number coding

(*1) See Seal symbol
(*2) See Accuracy symbol

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.

Optional

Copy item link
Add item to favorites

No option tag has been selected.

Check detailed information with the tool

Copy item link
Add item to favorites

Click on the icon for the item you want to see in detail. Member registration and login are required for use.
Designer is the former optimal product selection tool
You can download 2D/3D CAD by clicking on the icon and selecting from the CAD format.

Model No. Designer* Life Calculator* CAD
Download*
Catalog
Download
Manual
Download
SBKN 3620-7.6
SBKN 4020-7.6
SBKN 4030-7.6
SBKN 5020-7.6
SBKN 5030-7.6
SBKN 5036-7.6
SBKN 5520-7.6
SBKN 5530-7.6
SBKN 5536-7.6

*marks are not available for guest members.