Roller Follower Separable Type Models NAST/RNAST Model RNAST

This model is basically the same as model NAST, but does not have an inner ring.

  • No inner ring
  • Separable type

Basic load rating kN : Basic dynamic load rating 2.74 to 38.7 / Basic static load rating 2.39 to 71.8
Innerdiameter(mm) : 5,6,8,10,12,15,17,20,25,30,35,40,45,50

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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.

Optional

Contamination Protection

  • With/without a seal

Rustprevention

  • Type of material

Other

  • Roller Guide
  • Outer ring outer surface configuration

Display result

Detailed information
Dimensional drawing/Dimensional table
Optional

Detailed information

Dimensional drawing/Dimensional table

Notes on dimensional table
  • Note1) ○: Model RNAST45 is available only in carbon steel.
  • Note2) The rotation speed limit value in the table (*) applies to models using grease lubrication. With those models using oil lubrication, up to 130% of this value is permitted. Note) For information on accuracy standards, please refer to Accuracy standards.
Optional specifications Symbol
Material Carbon steel No Symbol
Stainless steel M
Roller
guide
With cage No Symbol
Seal Without seal No Symbol
Outer ring shape Cylindrical outer ring No Symbol
Spherical outer ring R
Model Number Coding

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

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Model No.Designer*Life Calculator*CAD
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Catalog
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RNAST 5
RNAST 5R
RNAST 6
RNAST 6R
RNAST 8
RNAST 8R
RNAST 10
RNAST 10R
RNAST 12
RNAST 12R
RNAST 15
RNAST 15R
RNAST 17
RNAST 17R
RNAST 20
RNAST 20R
RNAST 25
RNAST 25R
RNAST 30
RNAST 30R
RNAST 35
RNAST 35R
RNAST 40
RNAST 40R
RNAST 45
RNAST 45R
RNAST 50
RNAST 50R

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