Cross-Roller Ring Cross Roller Ring for Robots Model RF

The unique flanged design achieves an even lighter weight.
This is the ideal product for robots requiring weight reduction and improved productivity.

  • Lightweight
  • Thin type
  • Outer ring rotation
  • Rotation accuracy
  • For robots
  • With flange

Types

Highlight feature tags

  • Lightweight
  • Thin type
  • Outer ring rotation
  • Integrated inner / Outer ring type
  • Rotation accuracy
  • For robots
  • With flange
Model RF (Straight-type inner ring)
  • Lightweight
  • Thin type
  • Outer ring rotation
  • Integrated inner / Outer ring type
  • Rotation accuracy
  • For robots
  • With flange

Basic load rating (kN): Basic dynamic load rating - / Basic static load rating -

Model RF (Flange-type inner ring)
  • Lightweight
  • Thin type
  • Outer ring rotation
  • Integrated inner / Outer ring type
  • Rotation accuracy
  • For robots
  • With flange

Basic load rating (kN): Basic dynamic load rating - / Basic static load rating -

Features

Easy to install Fewer mounting components Reduced weight

Since the Model RF is lightweight, it is also suitable for applications such as ceiling-mounted rotating arms. Additionally, it is capable of smooth rotary motion because it can receive loads and moments in any direction.

Thin, Lightweight, Flanged Design

The unique flanged design achieves an even lighter weight.

Model No. RF45 RF45F RU42
Cross-sectional
area
(mm2)
51 73 297
Product mass
(kg)
0.06 0.08 0.29

Reduced Weight and Number of Robot Components

This is the ideal product for robots requiring weight reduction and improved productivity.

・Can be installed directly onto a shaft or housing Increases a robot’s productivity
・ Does not require a presser flange Simplifies design and reduces installation time
・ Reduces product weight Allows lighter weights than conventional products

Structure and Lineup

Structure

The cross array of rollers allows a single bearing to receive loads and moments in all directions. The flanged design simplifies installation and minimizes the cross-sectional area of the product. This is a lightweight unit that maintains the ease of assembly achieved by the Model RU, a conventional cross roller ring with mounting holes.

Lineup

Straight-Type Inner Ring
■ Leaves open space inside the ring
Allows for high levels of freedom in design and provides space for wiring, etc.
■ Same inner ring dimensions as the Model RA
Can easily replace existing equipment.
Shaft diameter Model No.
40 RF45
50 RF57
60 RF67
70 RF77
90 RF97
120 RF127
Flange-Type Inner Ring
■ Flanged inner and outer rings
Shorten assembly time and make devices more lightweight.
Shaft diameter Model No.
20 RF45F
30 RF57F
40 RF67F
45 RF77F
65 RF97F
95 RF127F

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

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.